HALLIBURTON ENERGY SERVICES, INC. Patent applications |
Patent application number | Title | Published |
20160139292 | RESISTIVITY LOGGING TOOL WITH EXCITATION CURRENT CONTROL BASED ON MULTI-CYCLE COMPARISON - A resistivity logging system includes a plurality of excitation electrodes, at least one return electrode, and a plurality of monitor electrodes. The resistivity logging system also includes a controller that determines a level of excitation current to be emitted by at least one of the plurality of excitation electrodes during a subsequent excitation cycle based on a comparison of measured downhole parameter values corresponding to excitation current emitted in two previous excitation cycles. | 05-19-2016 |
20160138642 | Thermal Securing Set Screws - A metal fastener is provided having a first threaded screw portion for engaging a complementary threaded portion of a bore of a metal member at a first temperature, and a sealing portion disposed proximal a distal end of the first screw portion, the sealing portion having a greater coefficient of thermal expansion than the metal member, wherein the sealing portion is configured to thermally expand and provide a seal between the sealing portion and an inner circumference of the bore at a second temperature higher than the first temperature, such that the first screw portion of the fastener is immobile relative to the bore at the second temperature. | 05-19-2016 |
20160138395 | WELLBORE OPERATIONS INVOLVING COMPUTATIONAL METHODS THAT PRODUCE SAG PROFILES - Methods for analyzing sag in a section of a wellbore may utilize computational methods that produce sag profiles, which may be useful in performing further wellbore operations. The computational method may include inputs of at least one wellbore fluid property, at least one wellbore condition relating to a section of a wellbore, at least one operational parameter into a computational method, and any combination thereof. Further, the computational methods may include a mass balance analysis for individual elements of the meshed section of the wellbore. | 05-19-2016 |
20160138394 | Simulating Downhole Flow Through a Perforation - A perforation test target is provided. The perforation test target includes a metal plate and a core sample adhered to the metal plate at one end. The perforation test target further including a first sleeve adhered to the core sample, where a flow impedance of each of a plurality of portions of the first sleeve is based on a predetermined impedance map. | 05-19-2016 |
20160138361 | System and Method for Deploying a Casing Patch - Disclosed are systems and methods for deploying a casing patch in a wellbore. One casing patch assembly includes a setting kit arranged at an uphole end, an upper wedge portion operatively coupled to the setting kit and defining an upper ramp portion, a lower wedge portion arranged at a downhole end and defining a lower ramp portion, and a casing patch axially interposing the upper and lower wedge portions and having a proximal end configured to radially expand upon slidably engaging the upper ramp portion and a distal end configured to radially expand upon slidably engaging the lower ramp portion. | 05-19-2016 |
20160137908 | Improved Suspension of Proppant Particles in Hydraulic Fracturing Liquid - Systems and methods for suspending proppant particles are described. Systems and methods may include a composition including a hydraulic fracturing fluid, one or more proppant particles in the hydraulic fluid, and a density modifier associated with the one or more proppant particles to create one or more modified proppant particles. The association of the density modifier with the one or more proppant particles may modify the density of the one or more modified proppant particles relative to the one or more proppant particles. | 05-19-2016 |
20160131791 | MULTI-COMPONENT INDUCTION LOGGING SYSTEMS AND METHODS USING SELECTED FREQUENCY INVERSION - Formation properties may he more efficiently derived from measurements of multi-frequency, multi-component array induction tools, by emphasizing the measurements associated with shorter spacings/lower frequencies in certain regions and short-to-middle spacings/higher frequencies in other regions. In at least one embodiment, a disclosed logging system includes a logging tool that when conveyed along a borehole through a formation obtains multi-component transmit-receive antenna coupling measurements with multiple arrays having different antenna spacings; and a processing system that operates on the measurements. The processing system derives from said measurements one or more formation parameter estimates; determines measurement weight coefficients for a cost function based on said one or more formation parameter estimates; and inverts said measurements with said cost function to obtain one or more enhanced parameter estimates. | 05-12-2016 |
20160131787 | CHARACTERIZING A DOWNHOLE ENVIRONMENT USING STIFFNESS COEFFICIENTS - A method that includes obtaining log data of a downhole formation, and characterizing the downhole formation by determining stiffness coefficients including C | 05-12-2016 |
20160131623 | SYSTEMS AND METHODS FOR ANALYZING CONTAMINANTS IN FLOWING ATMOSPHERIC AIR - Optically interacting electromagnetic radiation with a flowing atmospheric air composition and optically interacting the electromagnetic radiation with an integrated computational element (“ICE”), the ICE being configured to analyze for a contaminant in the flowing atmospheric air. A detector receives the electromagnetic radiation that has optically interacted with the flowing atmospheric air and the ICE and generates an output signal corresponding to a characteristic of the contaminant in the flowing atmospheric air. | 05-12-2016 |
20160130933 | Computational Model for Tracking Ball Sealers in a Wellbore - In accordance with some embodiments of the present disclosure, a method of computational modeling for tracking ball scalers in a wellbore is disclosed. The method may include, for a time step, calculating a number of ball sealers to inject into a wellbore, injecting the ball sealers, determining a length of the wellbore occupied by a fluid, and computing a spacing between each ball sealer in the length of the wellbore occupied by the fluid. The method may include calculating a first position of a ball sealer, determining a velocity the ball sealer, and computing a second position of the ball sealer. The method may include recording a number of active ball sealers and open perforations in the wellbore, calculating a ball sealer skin per division, and determining a fluid flow rate. The method may include selecting parameters for a stimulation operation in the wellbore based on the fluid flow rate. | 05-12-2016 |
20160130925 | In-Situ Conversion Process for Oil Shale - Systems and methods for oil recovery from oil shale are described. Systems and methods may include a method for in-situ conversion of oil shale. The method may include providing one or more magnetic probes within an oil shale formation; providing magnetic nanoparticles into the oils shale formation; and alternating the magnetic field of the one or more magnetic probes to heat the oil shale formation. A system for in-situ conversion of oil shale may include one or more magnetic probes within an oil shale formation and magnetic nanoparticles within the oils shale formation. A magnetic field may be applied by the one or more magnetic probes to the magnetic nanoparticles to heat the oil shale formation. A composition for a fracture fluid may include a fracturing fluid and magnetic nanoparticles. | 05-12-2016 |
20160130914 | Mainbore Clean Out Tool - An assembly configured to be disposed within a well at an intersection of a parent bore of the well and a lateral bore of the well is provided. The assembly includes a junction having a mainbore leg and a lateral leg, as well as a passage in the mainbore leg configured to receive a flowing fluid. A port in the mainbore leg is in fluid communication with the passage such that the flowing fluid in the passage creates a suction at the port to draw debris in the well through the port and into the passage. | 05-12-2016 |
20160130907 | High Pressure Swell Seal - A well tool for sealing an annular gap between a tubing string and a wellbore wall is described. In one implementation, the well tool includes an annular inner seal, an annular sleeve disposed over the inner seal, an annular outer seal residing over the sleeve and comprising a swellable elastomer adapted to swell when contacted by a specified fluid, the annular outer seal being axially shorter than the sleeve, and an end ring adapted to be disposed at an end of the sleeve, the sleeve configured to buckle against the end ring in response to a deformation of the outer seal due to directional pressure. | 05-12-2016 |
20160130696 | OPTICAL TRANSMISSION/REFLECTION MODE IN-SITU DEPOSITION RATE CONTROL FOR ICE FABRICATION - Systems and methods of controlling a deposition rate during thin-film fabrication are provided. A system as provided may include a chamber, a material source contained within the chamber, an electrical component to activate the material source, a substrate holder to support the multilayer stack and at least one witness sample. The system may further include a measurement device and a computational unit. The material source provides a layer of material to the multilayer stack and to the witness sample at a deposition rate controlled at least partially by the electrical component and based on a correction value obtained in real-time by the computational unit. In some embodiments, the correction value is based on a measured value provided by the measurement device and a computed value provided by the computational unit according to a model. | 05-12-2016 |
20160130499 | MAGNETIC PROPPANT PARTICULATES FOR USE IN SUBTERRANEAN FORMATION OPERATIONS - Preparing a treatment fluid comprising a base fluid and magnetic proppant particulates, wherein the magnetic proppant particulates comprise proppant particulates at least partially coated with a stabilization agent and magnetic particles, and preparing a spacer fluid comprising a base fluid, a gelling agent, and a breaker. Introducing the treatment fluid and the spacer fluid intermittently into a subterranean formation comprising a fracture so as to alternate placement of the magnetic proppant particulates in the treatment fluid with the spacer fluid in the fracture, and activating the magnetic particles, wherein the activated magnetic particles cause the magnetic proppant particulates to agglomerate. Propping open the fracture with the magnetic proppant particulates, and activating the breaker in the spacer fluid so as to at least partially remove the spacer fluid from the fracture, thereby leaving behind substantially magnetic proppant particulate-free channels between the magnetic proppant particulates. | 05-12-2016 |
20160125423 | Managing Customs Information - A broker management computer system (“BMCS”) receives from a logistics computer system (“LCS”) information regarding an asset to be imported into a country. The BMCS creates an initial import record in a BMCS database. The initial import record includes information regarding the asset and a unique BMCS control number generated by the BMCS. The BMCS issuing an initial import packet including the BMCS control number and provides the initial import packet to an import broker in the country. The BMCS receives from the import broker a customs packet including documents that show that the asset has cleared customs in the country, a declaration number, and the BMCS control number. The BMCS searches the BMCS database using the BMCS control number as a key for the search, finds the initial import record, and updates the initial import record with the declaration number. | 05-05-2016 |
20160123115 | APPARATUS FOR ENGAGING AND RELEASING AN ACTUATOR OF A MULTIPLE ACTUATOR SYSTEM - Apparatuses for engaging an actuator of a subsurface tool are disclosed, comprising: a valve closure device; a plurality of actuation assemblies, comprising: an actuation device; an actuation rod, wherein the actuation device is configured to axially translate the actuation rod; an actuation platform, wherein the actuation rod engages the actuation platform; a plurality of actuation heads, configured to engage the actuation platform; and wherein the plurality of actuation heads engage an actuation member and are configured to transfer mechanical force to the actuation member, thereby axially translating the actuation member; and wherein axial translation of the actuation member exerts a downward force on the valve closure device to move the valve closure device from a closed position to an open position. | 05-05-2016 |
20160123098 | DOWNHOLE TOOL AND METHOD TO BOOST FLUID PRESSURE AND ANNULAR VELOCITY - A disclosed embodiment of a downhole tool includes a pump that is powered by rotation of the drill string to increase fluid pressure during downhole circulation. | 05-05-2016 |
20160123093 | TRAVEL JOINT RELEASE DEVICES AND METHODS - A travel joint comprises an outer housing, an inner mandrel, a first release device positioned between the outer housing and the inner mandrel, and a second release device positioned between the outer housing and the inner mandrel. The first release device is configured to actuate from the locked position to the unlocked position in response to a fluid pressure supplied to the first release device. The second release device is configured to selectively prevent and allow relative axial movement between the outer housing and the inner mandrel in response to an axial force applied to at least one of the outer housing or the inner mandrel, and the first release device is configured to prevent the application of the axial force to actuate the second release device in the locked position and allow the axial force to actuate the second release device in the unlocked position. | 05-05-2016 |
20160122617 | DEGRADABLE BALLS FOR USE IN SUBTERRANEAN APPLICATIONS - Degradable balls for downhole use may include an incompliant degradable polymer and a compliant filler material, the incompliant degradable polymer having an elastic modulus of about 2 GPa or greater, and the compliant filler material having an elastic modulus of less than about 2 GPa. Such degradable balls may be useful in sealing segments of a wellbore and actuating wellbore tools. | 05-05-2016 |
20160122614 | WEIGHTED WELL FLUIDS - Fluids and methods of making and using the fluids that include, for example, well bore treatment fluids, kill fluids, packer fluids, thermal insulating fluids and the like that contain soluble weighting material. The fluids include: (a) an aqueous solvent such as water, and optionally one or more water-miscible organic liquids; and (b) one or more organic cationic tungstates, molybdates, and/or silicates dissolved in the solvent. In some cases, the fluids are substantially free of lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr) salts and/or ions. The fluid may also be an oil-based emulsion including the aqueous-based fluid. Methods of making and using both the aqueous fluids and oil-based emulsions are also disclosed. | 05-05-2016 |
20160115772 | System and Methods for Constructing and Fracture Stimulating Multiple Ultra-Short Radius Laterals from A Parent Well - Systems and methods for multi-lateral wellbore construction and stimulation from cased parent wellbores. Methods and apparatus are provided to facilitate the creation of casing exit openings in the casing of parent wellbores. Methods and systems are provided for azimuthally and longitudinally aligning drilling assemblies through openings in a parent wellbore casing are provided to allow for drilling multiple lateral wellbores extending outwardly from a parent wellbore. A method of stimulating one or more subterranean zones intersected by multiple lateral wellbores extending outwardly from one or more patent wellbores includes the steps of: simultaneously injecting a stimulation fluid into the lateral wellbores; and stimulating the zones intersected by the lateral wellbores in response to the stimulation fluid injecting step. | 04-28-2016 |
20160115366 | ENGINEERED BEAD SLURRIES FOR USE IN LIGHTWEIGHT CEMENT SLURRIES AND METHODS RELATING THERETO - Engineering bead slurries may be useful in producing lightweight cement slurries for use in subterranean cementing operations. For example, a method may include engineering a bead slurry to have a shelf-life of about 1 month or greater by performing at least one of (1) calculating the shelf-life for the bead slurry and (2) calculating a minimum yield point required to prevent a lightweight bead of the bead slurry from floating or settling in the bead slurry; wherein the bead slurry comprises a gelled base fluid and a plurality of lightweight beads having a specific gravity of about 0.8 or less; producing the bead slurry; mixing the bead slurry and a cement slurry to yield a lightweight cement slurry; introducing the lightweight cement slurry into a wellbore penetrating a subterranean formation; and allowing the lightweight cement slurry to set therein. | 04-28-2016 |
20160108728 | INTEGRATED COMPUTATIONAL ELEMENT-BASED OPTICAL SENSOR NETWORK AND RELATED METHODS - An optical sensor network utilizing Integrated Computational Elements (“ICE”) provides the capability to measure chemical compositions in a variety of application environments in real-time. In one exemplary application, the network comprises a plurality of ICE modules distributed throughout a downhole well environment. The ICE modules are communicably coupled to a computer station which controls the operation and power consumption of the ICE modules. The computer station may selectively activate and deactivate one or more of the ICE modules to regulate power consumption and/or may select the optimal ICE modules to activate at any given time. | 04-21-2016 |
20160102540 | PARTICLE DUST CONTROL WITH LIQUID BINDING AGENTS - Methods including placing particles that are substantially dry in a hopper; conveying the particles from the hopper via a conveyance to an open-air gap; adding a fluid to the particles in the hopper, the particles in the conveyance, or both, thereby reducing an amount of a dust produced at the open-air gap. The particles may be sand, silica, gravel, bauxite, ceramic materials, glass materials, polymer materials, polytetrafluoroethylene materials, nut shell pieces, cured resinous particulates comprising nut shell pieces, seed shell pieces, cured resinous particulates comprising seed shell pieces, fruit pit pieces, cured resinous particulates comprising fruit pit pieces, wood, composite particulates, and combinations thereof. | 04-14-2016 |
20160102534 | LONG-STROKE HYDRAULIC LIFT SYSTEM HAVING REDUCED HEIGHT - A lift and method for reciprocating a downhole pump includes an linear actuator, such as a piston-cylinder arrangement, located coaxially above the stuffing box of a well. The linear actuator includes a connecting rod that passes through and seals against the stuffing box, thereby taking the place of the traditional polished rod and allowing the linear actuator to be positioned lower and closer to the well. The connecting rod may be connected to the traditional polished rod below the stuffing box. A stopper may be selectively removed to allow the connecting rod to be pulled clear of the stuffing box while using the polished rod to seal the well, thereby allowing the linear actuator to be removed for maintenance. | 04-14-2016 |
20160102514 | DOWNHOLE IMPACT GENERATION TOOL AND METHODS OF USE - Disclosed is an impact generation tool used to deliver a large downhole impact force. The impact generator may include a housing having an uphole end and a downhole end and defining a chamber therein between the uphole and downhole ends, a mandrel movably arranged at least partially within the chamber between an engaged configuration and a disengaged configuration, a top sub coupled to the housing at the uphole end and having an upper core extension arranged at least partially therein, the upper core extension being configured to move between a fixed position, whereby the mandrel is maintained in the engaged configuration, and an unfixed position, whereby the mandrel is able to move to the disengaged configuration, and an impact tool coupled to a distal end of the mandrel and being configured to deliver an impact force to a downhole obstruction when the mandrel is moved to the disengaged configuration. | 04-14-2016 |
20160102510 | SYSTEMS AND METHODS FOR REAL TIME MEASUREMENT OF GAS CONTENT IN DRILLING FLUIDS - Disclosed are systems and methods for monitoring drilling fluids in real time. One method includes circulating a drilling fluid into and out of a borehole, generating a first output signal with a first optical computing device arranged near an outlet of the borehole, the first optical computing device having a first integrated computational element configured to optically interact with the drilling fluid, receiving the first output signal with a signal processor communicably coupled to the first optical computing device, determining the concentration of a gas present in the drilling fluid at the outlet of the borehole with the signal processor and generating a resulting output signal, conveying the resulting output signal to one or more peripheral devices, and adjusting one or more drilling or completion parameters in response to the concentration of the gas present in the drilling fluid. | 04-14-2016 |
20160091622 | METHODS AND SYSTEMS FOR SEISMIC DATA ANALYSIS USING A TILTED TRANSVERSELY ISOTROPIC (TTI) MODEL - At least some of the disclosed systems and methods employ one or more seismic receivers that gather seismic data from a plurality of positions in a borehole that penetrates a formation. Further, at least some of the disclosed systems and methods employ a memory to store the gathered seismic data. Further, at least some of the disclosed systems and methods employ logic that inverts the seismic data for simultaneous determination of asymmetric axis velocity (V | 03-31-2016 |
20160091478 | SYSTEMS AND METHODS FOR ANALYZING THE CHARACTERISTICS AND COMPOSITIONS OF A DRY CEMENT - Optical analysis systems and methods that utilize integrated computational elements (“ICE”) may be useful for characterizing dry cements and determining cement slurry additives suitable for use therewith. For example, a method may include optically interacting a dry cement with an ICE configured to detect a characteristic of the dry cement; generating a plurality of output signals corresponding to the characteristic of the dry cement detected by the ICE; receiving and processing the plurality of output signals with a signal processor to yield a value for the characteristic of the dry cement; and determining at least one of a composition and a concentration of a cement slurry additive for use in combination with the dry cement based on the value of the characteristic of the dry cement. | 03-31-2016 |
20160090789 | DYNAMIC GEO-STATIONARY ACTUATION FOR A FULLY-ROTATING ROTARY STEERABLE SYSTEM - The present disclosure describes a dynamic geo-stationary actuation technique that may be incorporated into a rotary steerable system | 03-31-2016 |
20160090526 | MULTIFUNCTIONAL BORONIC CROSSLINKERS AS DUAL VISCOSIFICATION AND FRICTION REDUCING AGENTS - Embodiments disclosed herein include a method comprising providing a treatment fluid comprising an aqueous base fluid, a gelling agent, and a multifunctional boronic crosslinker, wherein the multifunctional boronic crosslinker comprises a dendritic polymer comprising a water-soluble monomer and a boronic acid group, wherein the ratio of the water-soluble monomer to the boronic acid group is in the range of from about 1:210 to about 1:800; and introducing the treatment fluid into a subterranean formation. | 03-31-2016 |
20160090523 | OIL-IN-WATER STABLE, EMULSIFIED SPACER FLUIDS - Some embodiments described herein provide a method comprising method comprising providing an oil-in-water emulsified spacer fluid comprising a binary surfactant mixture, solvent non-aqueous base fluid, and an aqueous base fluid, wherein the binary surfactant mixture comprises a surfactant and an amphiphilic co-surfactant, wherein the surfactant is present in an amount in the range of from about 0.5% to about 30% by weight of the oil-in-water emulsified spacer fluid and wherein the amphiphilic co-surfactant is present in an amount in the range of from about 0.5% to about 30% by weight of the oil-in-water emulsified spacer fluid, and introducing the oil-in-water emulsified spacer fluid into a subterranean formation comprising a residual non-aqueous fluid therein, wherein the binary surfactant mixture in the oil-in-water emulsified spacer fluid emulsifies at least a portion of the residual non-aqueous fluid. | 03-31-2016 |
20160084753 | Spatial Heterodyne Integrated Computational Element (SH-ICE) Spectrometer - A spatial heterodyne spectrometer may employ an integrated computational element (ICE) to obtain a measure of one or more fluid properties without requiring any moving parts, making it particularly suitable for use in a downhole environment. One illustrative method embodiment includes: directing light from a light source to illuminate a sample; transforming light from the sample into spatial fringe patterns using a dispersive two-beam interferometer; adjusting a spectral weighting of the spatial fringe patterns using, an integrated computation element (ICE); focusing spectral-weight-adjusted spatial fringe patterns into combined fringe intensities; detecting the combined fringe intensities; and deriving at least one property of the sample. | 03-24-2016 |
20160084068 | SYSTEMS, METHODS, AND APPARATUSES FOR IN SITU MONITORING OF CEMENT FLUID COMPOSITIONS AND SETTING PROCESSES THEREOF - Optical analysis systems, methods, and apparatuses for analyzing fluids may be useful for in situ monitoring fluids that relate to cementing operations. For example, a method may include containing a cement fluid composition in a flow path comprising a wellbore; and optically interacting the cement fluid composition with an integrated computational element, thereby generating an output signal corresponding to a characteristic of the cement fluid composition, the integrated computational element being coupled to a tool. | 03-24-2016 |
20160084037 | CEMENT BLENDS INCLUDING INERT MICROPARTICLES - Dry cement blends that include inert microparticles may be used to produce cement slurries with a lower viscosity and a longer aging window. For example, a related method may include providing a cement dry blend comprising a plurality of cement particles and a plurality of inert microparticles, wherein the inert microparticles have an average diameter at least about 3 times smaller than that of the average diameter of the cement particles; mixing water, a set retarding additive, and the cement dry blend to yield a cement slurry; storing the cement slurry; mixing a cement set accelerator into the cement slurry; introducing the cement slurry into a wellbore penetrating a subterranean formation; and allowing the cement slurry to set at a location within the wellbore, the subterranean formation, or both. | 03-24-2016 |
20160083645 | Extrusion Process for Proppant Production - An extrusion method and apparatus are described for producing ceramics, glass, glass-ceramics, or composites suitable for use as proppants. The method includes forming one or more green body materials, extruding the green body materials to form a green body extrudate, separating and shaping the green body extrudate into individual green bodies, and sintering the green bodies to form proppants. The apparatus includes a means for forming an intimate mixture of green body materials, means to produce a green body extrudate, means for separating and shaping the green body extrudate into individual green bodies, and means to sinter the green green bodies to form proppants. | 03-24-2016 |
20160083644 | FRACTURING OR GRAVEL-PACKING FLUID WITH CMHEC IN BRINE - Treatment fluid suitable for use in subterranean formations may comprise: (i) an aqueous phase comprising water having at least 1,000 ppm total dissolved inorganic salts, wherein the aqueous phase comprises at least one of: a sulfate concentration of about 4,000 ppm or greater, a phosphate concentration of about 100 ppm or greater, a carbonate concentration of about 100 ppm or greater, or a barium concentration of about 37,000 ppm or greater; (ii) a carboxymethyl hydroxyethyl cellulose, wherein: (a) the carboxymethyl hydroxyethyl cellulose has a carboxymethyl degree of substitution is in the range of about 0.3 to about 0.45 per glucopyranose unit in the polymer; and (b) the carboxymethyl hydroxyethyl cellulose has a hydroxyethyl molecular substitution is in the range of about 2.1 to about 2.9 per glucopyranose unit in the polymer; and (c) the treatment fluid is substantially free of any crosslinker; and (iii) a breaker. | 03-24-2016 |
20160077224 | Gamma Ray Detectors with Gain Stabilization - Systems and methods for measuring natural gamma rays in a wellbore are disclosed that involve using a downhole gamma ray detector that provides signals that scale with energy deposited by gamma rays in the downhole gamma ray detector and storing digital signals in channels. A derivative of the digital signals is taken and the location of the maximum value of the derivative is used to stabilize the gamma ray detector by adjusting the threshold or gain based on the maximum value of the derivative or adjusting an amplifier or variable high voltage source. Other systems and methods are presented. | 03-17-2016 |
20160076352 | CONDUCTIVITY ENHANCEMENT OF COMPLEX FRACTURE NETWORKS IN SUBTERRANEAN FORMATIONS - Some embodiments provide a method comprising a) introducing a delayed-release acid and a gelling agent into a subterranean formation at a rate and pressure sufficient to create or enhance at least one fracture in a first treatment interval; b) contacting the delayed-release acid with a face of the fracture in the first treatment interval so as to etch one or more channels thereon; c) introducing a combination of non-degradable and degradable micro-proppant particulates into the subterranean formation so as to place them into the fracture in the first treatment interval, wherein they at least partially inhibit fluid flow therethrough; d) introducing a combination of non-degradable and degradable proppant particulates into the subterranean formation so as to place them into the fracture in the first treatment interval, wherein they at least partially inhibit fluid flow therethrough; e) repeating (a) through (d) at a second treatment interval. | 03-17-2016 |
20160075933 | Cement Set Activators For Set-Delayed Cement Compositions and Associated Methods - Disclosed herein are cement compositions and methods of using set-delayed cement compositions in subterranean formations. A method of cementing in a subterranean formation, may comprise providing a set-delayed cement composition comprising water, pumice, hydrated lime, and a set retarder, activating the set-delayed cement composition with a cement set activator, wherein the cement set activator comprises at least one activator selected from the group consisting of nanosilica, a polyphosphate, and combinations thereof, introducing the set-delayed cement composition into a subterranean formation, and allowing the set-delayed cement composition to set in the subterranean formation. | 03-17-2016 |
20160069183 | Composite Sampler And Nitrogen Bottle - Disclosed is an apparatus for obtaining a plurality of fluid samples in a subterranean well includes a carrier, a plurality of sampling chambers and a plurality of pressure sources. The sampling chambers and pressure sources substantially comprises non-metallic materials. One or more of the following: conductors, transducers, power sources, communicators, data memory and processors are embedded in the materials comprising the sampler apparatus. One or more transducers for measuring the temperature, pressure, and volume of the sample are present in at least one of the plurality of sampling chambers. Means for measuring the parameters of the wellbore fluid are also present in the sampler apparatus. Means for communicating measured data to the surface are provided in the sampling apparatus. | 03-10-2016 |
20160068733 | WELLBORE FLUIDS COMPRISING MINERAL PARTICLES AND METHODS RELATING THERETO - Mineral particles may provide for wellbore fluids with tailorable properties and capabilities, and methods relating thereto. Mineral particles may be utilized in methods that include introducing a wellbore fluid having a density of about 7 ppg to about 50 ppg into a wellbore penetrating a subterranean formation, the wellbore fluid comprising a base fluid and a plurality of mineral particles, and the wellbore fluid having a first viscosity; contacting at least some of the mineral particles with a linking agent so as to link the at least some of the mineral particles, thereby increasing the first viscosity to a second viscosity. | 03-10-2016 |
20160061990 | Method and System of a Neutron Tube - A neutron tube. At least some of the illustrative embodiments including: generating, from a neutron tube, a first neutron burst having a first characteristic energy spectra; and generating, from the neutron tube, a second neutron burst having a second characteristic energy spectra different than the first characteristic energy spectra, the generating the second neutron burst within one second of generating the first neutron burst. | 03-03-2016 |
20160061028 | DEVICE AND METHOD FOR CORROSION DETECTION AND FORMATION EVALUATION USING INTEGRATED COMPUTATIONAL ELEMENTS - An optical computing device and method for (1) determining and/or monitoring corrosion data in a given environment and (2) evaluating a downhole formation, both being accomplished in real-time by deriving the data from the output of an optical element. | 03-03-2016 |
20160060961 | HIGH-VOLTAGE DRILLING METHODS AND SYSTEMS USING HYBRID DRILLSTRING CONVEYANCE - In at least some embodiments, a high-voltage drilling system includes a power supply to output high-voltage power to an electrical conductor, a bit that extends a borehole based on the high-voltage power, and a hybrid drillstring that transports a fluid flow from the bit to convey detached formation material out of the borehole. At least part of the electrical conductor resides within the hybrid drillstring to convey power to the bit. The hybrid drillstring includes a coiled tubing section and a jointed pipe section. | 03-03-2016 |
20160057853 | PRINTED CIRCUIT BOARD ASSEMBLIES - Printed circuit board assemblies having capabilities for operating under high ampacity conditions can sometimes be difficult to fabricate and may lack sufficient mechanical robustness for extreme operating environments. Accordingly, printed circuit board assemblies can comprise: a non-conductive substrate having a plurality of planar conductive pathways disposed thereon; an electronic component that is in electrical communication with one or more of the planar conductive pathways and is configured to supply an electrical current thereto; a superficial metallic conductor overlaying one or more of the planar conductive pathways, at least in part, the superficial metallic conductor having a direct electrical connection to the electronic component and also being in electrical communication with the planar conductive pathways; and a conductive element in electrical communication with the superficial metallic conductor, the conductive element being configured to withdraw electrical current from the printed circuit board assembly. | 02-25-2016 |
20160054467 | METHOD OF ESTIMATING ANISOTROPIC FORMATION RESISTIVITY PROFILE USING A MULTI-COMPONENT INDUCTION TOOL - Improved algorithm for estimating anisotropic formation resistivity profile using a multi-component induction tool are disclosed. A method for estimating anisotropic formation resistivity profile of a formation comprises obtaining borehole corrected log data and determining at an azimuth angle of the formation. One or more formation bed boundaries are located and initial formation properties are calculated. One of a plurality of inversion windows is sequentially selected and a one-dimensional inversion of each of the sequentially selected one of the plurality of inversion windows is performed. | 02-25-2016 |
20160054464 | ANISOTROPY ANALYSIS USING DIRECT AND REFLECTED ARRIVALS IN SEISMIC SURVEY DATA - A seismic data analysis system includes seismic receivers to collect seismic survey data, wherein the seismic survey data includes direct and reflected arrival data in response to at least one seismic source fired at different shot offsets. The system also includes memory that stores the collected seismic survey data. The system also includes a processing unit that extracts traveltimes for direct and reflected arrivals from the seismic survey data and performs an inversion using the direct and reflected arrival traveltimes simultaneously to determine anisotropy parameters, including Thomsen parameters, epsilon (ε) and delta (δ), for at least one layer of a vertical transversely isotropic (VTI) model. | 02-25-2016 |
20160054285 | IMPLEMENTATION CONCEPTS AND RELATED METHODS FOR OPTICAL COMPUTING DEVICES - Various implementations of optical computing devices are described herein which include a “tuning fork” probe, “spark plug” probe, “grooved tubular” and “modular” type implementation. | 02-25-2016 |
20160053599 | FRACTURING FLUIDS COMPRISING FIBERS TREATED WITH CROSSLINKABLE, HYDRATABLE POLYMERS AND RELATED METHODS - A low-polymer-load fracturing fluid may include an aqueous carrier fluid, proppant, and polymer-treated degradable fibers. The polymer-treated degradable fibers may include degradable fibers that have been at least partially treated with a crosslinkable, hydratable polymer. In some instances, a method may involve placing a low-polymer-load fracturing fluid having an initial viscosity into a subterranean formation penetrated by a wellbore at a rate to generate pressure above fracture gradient to form or enhance at least one fracture in the formation matrix surrounding a designated portion of the wellbore; placing the low-polymer-load fracturing fluid into the fracture and allowing the polymer to crosslink and increase the initial viscosity to a gelled viscosity; and allowing the polymer-treated degradable fibers to degrade and reduce the gelled viscosity to a broken viscosity. | 02-25-2016 |
20160053547 | DRILL BITS WITH STICK-SLIP RESISTANCE - A drill bit includes a bit body and one or more cutters positioned on the bit body at select locations. At least one vibrational device is positioned on the bit body to impart vibration to the bit body and thereby mitigate stick-slip. | 02-25-2016 |
20160053546 | WELLBORE DRILLING SYSTEMS WITH VIBRATION SUBS - A bottom-hole assembly includes a drill string extendable within a wellbore and a drill bit positioned at a distal end of the drill string. A vibration sub is positioned in the drill string axially adjacent the drill bit and includes one or more vibratory devices that impart vibration to the drill bit. | 02-25-2016 |
20160053545 | RESONANCE-TUNED DRILL STRING COMPONENTS - A drilling system includes a drill string extendable into a wellbore penetrating a subterranean formation. The subterranean formation exhibits a resonant frequency and a drill bit is coupled to a distal end of the drill string. A vibration sub is positioned within the drill string adjacent the drill bit for generating vibration stress waves at the drill bit, and the vibration stress waves exhibit a vibration frequency that approximates the resonant frequency. | 02-25-2016 |
20160053166 | GELLABLE TREATMENT FLUIDS HAVING ADJUSTABLE GEL TIMES AND METHODS ASSOCIATED THEREWITH - Gellable treatment fluids may have their gel times modified by using a polymer mixture therein that contains two or more polymers having disparate average molecular weights. Methods for treating a subterranean formation using such gellable treatment fluids can comprise providing a gellable treatment fluid comprising a polymer mixture and a crosslinking agent, introducing the gellable treatment fluid into a subterranean formation, and allowing the gellable treatment fluid to form a gel in the subterranean formation. The polymer mixture comprises a base polymer and an addend polymer, where the base polymer and the addend polymer each comprise an acrylamide monomer unit or a derivative thereof and have different average molecular weights, such that a molecular weight distribution of the polymer mixture contains at least two local maxima. | 02-25-2016 |
20160053165 | MUCILAGE COMPRISING TREATMENT FLUIDS FOR SUBTERRANEAN FORMATION OPERATIONS - Some embodiments disclosed herein comprise a method of treating a subterranean formation comprising: providing a treatment fluid comprising a base fluid and an extracted natural mucilage; and introducing the treatment fluid into the subterranean formation. The treatment fluid may further comprise a mucin in an amount in the range of from about 0.000001% to about 10% by weight in the treatment fluid. | 02-25-2016 |
20160053163 | FIBERS AS DRAG-REDUCING PROPPING FIBERS IN LOW PERMEABILITY SUBTERRANEAN APPLICATIONS - Some embodiments described herein provide a method comprising providing a wellbore in a low permeability subterranean formation; providing a treatment fluid comprising an aqueous base fluid and drag-reducing propping fibers; introducing the treatment fluid into the wellbore at a rate and pressure sufficient to create or enhance at least one micro-fracture therein, wherein the drag-reducing propping fibers are capable of reducing the friction created within the treatment fluid as it is introduced into the wellbore; and placing the drag-reducing propping fibers into the at least one micro-fracture so as to prop open the micro-fracture. | 02-25-2016 |
20160053158 | Sealant Compositions and Methods Utilizing Nano-Particles - The present invention includes well treatment fluids and methods utilizing nano-particles and, in certain embodiments, to sealant compositions and methods utilizing nano-particles. The nano-particles may be incorporated into the sealant composition in different forms, including as discrete nano-particles, encapsulated nano-particles, agglomerated nano-particles, or in a liquid suspension. | 02-25-2016 |
20160048627 | DESIGN TECHNIQUES FOR OPTICAL PROCESSING ELEMENTS - One disclosed method for designing an integrated computational element (ICE) core includes generating with a computer a plurality of predetermined ICE core designs having a plurality of thin film layers, wherein generating the plurality of predetermined ICE core designs includes iteratively varying a thickness of each thin film layer by applying coarse thickness increments to each thin film layer, calculating a transmission spectrum for each predetermined ICE core design, calculating a performance of each predetermined ICE core design based on one or more performance criteria, identifying one or more predictive ICE core designs based on the performance of each predetermined ICE core design, and optimizing the one or more predictive ICE core designs by iteratively varying the thickness of each thin film layer with fine thickness increments, wherein the one or more predictive ICE core designs are configured to detect a particular characteristic of interest. | 02-18-2016 |
20160047235 | CAPTURING DATA FOR PHYSICAL STATES ASSOCIATED WITH PERFORATING STRING - Certain aspects are directed to capturing data regarding physical states associated with a perforating string. In one aspect, a sensing tool is provided. The sensing tool includes at least one sensor and a processor positioned in an isolated chamber of the sensing tool. The processor samples data from the sensor at a first sampling rate associated with the deployment of a perforating string. The data is associated with at least one parameter with respect to the perforating string. The processor detects a trigger condition associated with a perforation operation of the perforating string. The processor switches to a second sampling rate in response to detecting the trigger condition. The second sampling rate is greater than the first sampling rate and is associated with the perforation operation. The processor samples data at the second sampling rate for a period of time in which the perforation operation is at least partially performed. | 02-18-2016 |
20160046854 | Traceable Polymeric Additives for Use in Subterranean Formations - Disclosed are traceable polymeric additives that comprise a tagging material and methods of using the traceable polymeric additives in subterranean applications, such as cementing. An embodiment discloses a method of well treatment comprising introducing a fluid comprising a traceable polymeric additive into a wellbore, wherein the traceable polymeric additive comprises a polymer and a tagging material. | 02-18-2016 |
20160046853 | Napthol-Based Epoxy Resin Additives For Use In Well Cementing - Disclosed are methods and compositions for cementing in a subterranean formation. A method comprises introducing a resin composition into a wellbore. The resin composition may comprise a resin, a napthol-based epoxy resin additive, and a hardening agent. The napthol-based epoxy resin additive may comprise two naphthalene functional groups and two epoxide functional groups. | 02-18-2016 |
20160046852 | POLYMER-BASED DRILLING FLUIDS CONTAINING NON-BIODEGRADABLE PARTICULATES AND METHODS FOR USE THEREOF - Polymer-based drilling fluids may be used as an alternative to drilling fluids containing bentonite or other clay materials, although filter cake formation can often be inadequate when using polymer-based drilling fluids. As a result, drilling methods employing polymer-based drilling fluids may sometimes experience unacceptable fluid loss performance within a borehole. Drilling methods with enhanced fluid loss performance may comprise: providing a drilling fluid comprising a carrier fluid, a viscosity-enhancing polymer, and a plurality of non-biodegradable particulates, the non-biodegradable particulates comprising at least silica particulates; drilling a borehole in the presence of the drilling fluid; and forming a filter cake within the borehole, the filter cake comprising the non-biodegradable particulates. | 02-18-2016 |
20160041296 | RANGING MEASUREMENT APPARATUS, METHODS, AND SYSTEMS - Disclosed embodiments include well ranging apparatus, systems, and methods which operate to detect and determine a relative distance and/or azimuthal direction of nearby target well conductors such as pipes, well casing, etc., from within a borehole of a drilling well. | 02-11-2016 |
20160040529 | BOREHOLE FLUID-PULSE TELEMETRY APPARATUS AND METHOD - A fluid pulse generator for use in a drill string comprises an elongate obstruction member mounted in a fluid passage for driven pivoting about a pivot axis transverse to the fluid passage, obstruction of the fluid passage by the obstruction member being variable in relation to pivotal position of the obstruction member. Telemetry signals can be transmitted along the drill string by driven pivoting of the obstruction member, to generate data pulses in drilling fluid in the drill string. Pressure-locking of the obstruction member in a maximally obstructive position can be counteracted by provision of a bypass arrangement to allow bypass flow at a leading end of the obstruction member. | 02-11-2016 |
20160040516 | HOUSING ASSEMBLIES FOR MOUNTING FLOW CONTROL DEVICES - A housing assembly, comprising: an outer form arranged about a base pipe, the base pipe including at least one flow port; an inner form arranged about the base pipe and nested within the outer form, thereby defining a sealed compartment between the outer and inner forms; and a composite resinous material disposable within the sealed compartment and curable to form a rigid housing arranged at or near the at least one flow port and in fluid communication therewith. | 02-11-2016 |
20160040507 | FERROFLUID TOOL FOR ISOLATION OF OBJECTS IN A WELLBORE - A tool for isolating objects in a wellbore using ferrofluids in a downhole system is provided. The downhole system can include a tool body, a source of ferrofluid, and a magnet. The magnet can magnetically couple with the ferrofluid from the source for arranging the ferrofluid adjacent to the tool body for isolating an object positioned in a wellbore from effects of fluids present in the wellbore. | 02-11-2016 |
20160040060 | TREATMENT FLUIDS COMPRISING AN ALKALI METAL COMPLEXING AGENT AND METHODS FOR USE THEREOF - Alkali metal ions may lead to the production of insoluble materials during the course of stimulating a subterranean formation, particularly when acidizing a siliceous formation or a formation containing a siliceous material. Alkali metal ions may be sequestered using an alkali metal complexing agent in order to reduce their propensity toward forming insoluble materials in a subterranean formation. Methods for stimulating a subterranean formation can comprise: providing a treatment fluid that comprises an alkali metal complexing agent comprising a cyclic polyether having between 3 and 6 ether oxygen atoms present therein, and hydrofluoric acid, a hydrofluoric acid-generating compound, or any combination thereof; and introducing the treatment fluid into a subterranean formation. | 02-11-2016 |
20160033671 | NUCLEAR MAGNETIC RESONANCE (NMR) INTERECHO INTERVAL CONTROL METHODS AND SYSTEMS - A nuclear magnetic resonance (NMR) logging tool includes a pulsed magnetic field source which provides an NMR logging pulse sequence having a reduced interecho interval (TE). A controller in communication with the pulsed magnetic field source provides a pulse sequence designed to substantially align an echo peak with a measurement deadtime boundary, yielding a partial spin echo data recovery which is at least partially compensated by a substantially higher measurement density. | 02-04-2016 |
20160033670 | Switching an Operating Mode of an NMR Logging Tool - In some aspects of what is described here, a downhole nuclear magnetic resonance (NMR) logging tool can obtain NMR data from a subterranean region. The NMR logging tool includes a magnet assembly operable to produce a static magnetic field in the subterranean region. The NMR logging tool includes an antenna system having a first radio-frequency (RF) antenna, a second RF antenna, and a switching system. The switching system can switch the second antenna among operating modes while the NMR logging tool is disposed in a borehole in the subterranean region. The operating modes can include a booster mode, a spoiler mode, and an inactive mode. | 02-04-2016 |
20160033669 | ANTENNA COUPLING COMPONENT MEASUREMENT TOOL HAVING A ROTATING ANTENNA CONFIGURATION - Disclosed herein are electromagnetic resistivity logging systems and methods that employ an antenna configuration having at most two transmitter or receiver antenna orientations that rotate relative to the borehole. The measurements made by this reduced-complexity antenna configuration enable the determination of at least seven components of a coupling matrix, which may be determined using a linear system of equations that express the azimuthal dependence of the measurements. For increased reliability, measurement averaging may be performed in azimuthally spaced bins. The coupling matrix components can then be used as the basis for determining logs of various formation parameters, including vertical resistivity and anisotropy. | 02-04-2016 |
20160033664 | DETERMINING CEMENT IMPEDANCE FROM A FORMATION BOUNDARY - Systems, methods, and software for determining properties of a medium surrounding an exterior portion of a well casing are described. In some aspects, the properties of the medium are determined based on measurements of detected acoustic energy and distances between one or more acoustic transmitters and two or more acoustic receivers. The measurements are obtained based on operating the transmitters and the receivers within a wellbore that includes the well casing. | 02-04-2016 |
20160033663 | Control of Acoustic Transmitters for Downhole Measurement or Logging - The acoustic energy induced by a transmitter module of an acoustic logging tool is dependent on several factors. In some implementations, the induced acoustic energy is dependent on the electromagnetic energy input into the transmitter module, the response behavior of the transmitter module, and the operating conditions of the transmitter module. Variation in one or more of these factors can result in a corresponding variation in the induced acoustic. Thus, a desired acoustic signal can be produced by applying an appropriately selected input signal to the transmitter module, while accounting for other factors that influence the output of the transmitter module. | 02-04-2016 |
20160032962 | Bearing Assembly - A bearing assembly for use in an apparatus having a housing and a shaft which is rotatably connected with the housing. A shaft extension extends from the interior of the housing at a first housing end. The shaft extension defines a first bearing shaft surface. The bearing assembly includes a first thrust bearing for transferring a first axial load between the shaft and the housing. The first thrust bearing is located axially between the first housing end and the first bearing shaft surface. The bearing assembly also includes a radial bearing for transferring a radial load between the shaft and the housing. The radial bearing is located within the interior of the housing. | 02-04-2016 |
20160032717 | LWD Resistivity Imaging Tool with Adjustable Sensor Pads - A logging while drilling tool for measuring a geological formation surrounding a wellbore includes a tool body having one or more sensor pads. Each sensor pad is coupled to the tool body by an extendable coupling that is operable to adjust the radial position of the sensor pad by extending away from or retracting toward the tool body. One or more sensors are mounted to each sensor pads and the sensors are operable to obtain a measurement a property of the formation. The tool also includes a downhole control unit having a transmitter and receiver. The downhole control unit is operable to receive the measurement and transmit the measurement to a surface controller, wherein the transmitted measurement indicates a measurement resolution. | 02-04-2016 |
20160032685 | Dual Isolation Well Assembly - A working string is used to actuate a first valve of a completion string in a well to seal a float shoe of the completion string from a remainder of the completion string. The working string is also used to actuate a second valve of the completion string to seal the center bore of the completion string. Actuating the first valve and the second valve is performed without withdrawing the working string from the well. In certain instances, the working string is a washpipe that includes a shifting profile for each valve. | 02-04-2016 |
20160032654 | ENCAPSULATED EXPLOSIVES FOR DRILLING WELLBORES - Systems and methods for drilling operations may use encapsulated explosives to complement the performance of downhole cutting tools. An exemplary method may include drilling a wellbore penetrating a subterranean formation with a downhole cutting tool; circulating a drilling fluid in the wellbore, wherein the drilling fluid comprises a base fluid and an encapsulated explosive having an average diameter of about 10 nm to about 20 microns; triggering detonation of the encapsulated explosive; and detonating the encapsulated explosive proximal to a portion of the subterranean formation adjacent the downhole cutting tool. | 02-04-2016 |
20160024908 | FAST FORMATION DIP ANGLE ESTIMATION SYSTEMS AND METHODS - Tools, systems and methods for fast formation dip angle estimation, at least some of which include a logging tool that includes at least one transmit antenna, at least one receive antenna and a controller. The controller measures coupling parameters between the transmit and receive antennas, with at least one of the coupling parameters being measured as a function of depth and azimuthal angle. The controller further determines if a surrounding formation is anisotropic and heterogeneous based at least in part on at least one of the coupling parameters, and if so, derives a dip angle from a partial derivative with respect to depth and artificial dip angle of the coupling parameter(s). | 01-28-2016 |
20160024906 | DRILLING OPERATIONS THAT USE COMPOSITIONAL PROPERTIES OF FLUIDS DERIVED FROM MEASURED PHYSICAL PROPERTIES - The physical properties of a fluid may be used in deriving the compositional properties of the fluid, which may, in turn, be used to influence an operational parameters of a drilling operation. For example, a method may include drilling a wellbore penetrating a subterranean formation with a drilling fluid as part of a drilling operation; circulating or otherwise containing the drilling fluid in a flow path that comprises the wellbore; measuring at least one physical property of the drilling fluid at a first location and a second location along the flow path; deriving a compositional property of the drilling fluid at the first location and the second location based on the at least one physical property that was measured; comparing the compositional property of the drilling fluid at the first location and the second location; and changing an operational parameter of the drilling operation based on the comparison. | 01-28-2016 |
20160024886 | PRESSURE-OPERATED DIMPLE LOCKOUT TOOL - The disclosure describes a lockout tool including a cam housing configured to fit within a flow tube of a safety valve that is coupled to production tubing and has a longitudinal up-down axis. The lockout tool further includes a piston disposed within the cam housing and configured to move within the cam housing parallel to the longitudinal up-down axis and form a plurality of dimples in the flow tube upon provision within the production tubing of a pressurized fluid. | 01-28-2016 |
20160024871 | Remote Operation of a Rotating Control Device Bearing Clamp and Safety Latch - A rotating control device for a tubular string includes a body, a housing assembly, and a clamp device. An annulus is formed between the body and the tubular string. The housing assembly includes an annular seal configured to seal off an annulus between the tubular string and the body. The clamp device is configured to selectively permit and prevent displacement of the housing assembly relative to the body. The clamp device includes a first clamp section and a second clamp section coupled to and pivotable about a pivot, and a motor positioned between an end of the first clamp section and an end of the second clamp section, wherein the motor is configured to move the ends of the first and second clamp sections relative to each other. | 01-28-2016 |
20160024371 | RESIN COMPOSITION FOR TREATMENT OF A SUBTERRANEAN FORMATION - The present invention relates to resin compositions for treatment of a subterranean formation. In various embodiments, the present invention provides a method of treating a subterranean formation. The method can include obtaining or providing a resin composition that includes a hardenable composition including a hardenable resin. The resin composition also can include a hardening composition including a water control hardening agent. The method can include contacting a subterranean material downhole with the resin composition, and reacting the hardenable composition and the hardening composition, to give a hardened resin composition. In some embodiments, the resin composition provides both particulate consolidation and water control. | 01-28-2016 |
20160018818 | IN-SITU MONITORING OF FABRICATION OF INTEGRATED COMPUTATIONAL ELEMENTS - Techniques include receiving a design of an integrated computational element (ICE), the ICE design including specification of a substrate and a plurality of layers, their respective target thicknesses and complex refractive indices, complex refractive indices of adjacent layers being different from each other, and a notional ICE fabricated in accordance with the ICE design being related to a characteristic of a sample; forming at least some of the plurality of layers of the ICE in accordance with the ICE design; performing at least two different types of in-situ measurements; predicting, using results of the at least two different types of in situ measurements, performance of the ICE relative to the ICE design; and adjusting the forming of the layers remaining to be formed, at least in part, by updating the ICE design based on the predicted performance. | 01-21-2016 |
20160018561 | METHODS AND SYSTEMS FOR AN INTEGRATED ACOUSTIC AND INDUCTION LOGGING TOOL - An integrated acoustic and induction logging tool enables efficient logging operations and reduces logging string length. In some of the disclosed embodiments, an integrated acoustic and induction logging tool includes a mandrel compatible with acoustic logging operations and induction logging operations. The integrated acoustic and induction logging tool also includes an acoustic logging transducer set and an induction logging coil set, where a plurality of transducers of the acoustic logging transducer set are interspersed among a plurality of coils of the induction logging coil set along the mandrel. A related assembly method includes obtaining a mandrel compatible with acoustic logging and induction logging. The method also includes assembling an acoustic logging transducer set and an induction logging coil set along the mandrel, where a plurality of transducers of the acoustic logging transducer set are interspersed among a plurality of coils of the induction logging coil set along the mandrel. | 01-21-2016 |
20160018549 | REMOVING RING DOWN EFFECTS FROM SONIC WAVEFORMS - An illustrative acoustic range finding method including deploying a tool downhole, transmitting a first acoustic waveform with a transmitting acoustic transducer of the tool, receiving a second acoustic waveform with a receiving acoustic transducer of the tool, removing a deterministic waveform from the second acoustic waveform to obtain an echo waveform, and deriving a measurement from said echo waveform. | 01-21-2016 |
20160017693 | Fluid-Driven Power Generation Unit for a Drill String Assembly - Multi-functional fluid-driven power generation units, modular power generation units, and drilling systems with a power generation unit are presented herein. A power generation unit for powering one or more downhole tools in a drill string is disclosed. The power generation unit includes a housing that is configured to couple to a downhole portion of the drill string and receive at least a portion of fluid flowing through the drill string. The power generation unit also includes a fluid-driven motor assembly with a drive shaft configured to output rotational drive forces generated by the motor assembly. An electrical generator is operatively coupled to the drive shaft and configured to convert the rotational drive forces generated by the motor assembly into electrical power. In addition, a hydraulic pump is operatively coupled to the drive shaft and configured to convert the rotational drive forces generated by the motor assembly into hydraulic power. | 01-21-2016 |
20160017689 | GRAVITY-BASED CASING ORIENTATION TOOLS AND METHODS - Disclosed are systems and methods of orienting wellbore tubulars using gravity. Some disclosed orientation indicating devices include a housing defining a first flow channel and being arrangeable within a wellbore tubular, an orientor movably arranged within the housing and defining a second flow channel in fluid communication with the first flow channel, and an eccentric weight arranged within the orientor and having a center of mass radially offset from a rotational axis of the orientor, the eccentric weight being configured to maintain the orientor pointing in one direction as the housing and the wellbore tubular are rotated, wherein, as the housing rotates, the first and second flow channels become progressively aligned or misaligned. | 01-21-2016 |
20160017688 | Encapsulated Fluid-Loss Additives for Cement Compositions - Methods and compositions for cementing in a subterranean formation. An example method of cementing comprises providing a cement composition comprising a hydraulic cement, water, and an encapsulated fluid-loss additive; wherein the encapsulated fluid-loss additive comprises a fluid-loss additive and an encapsulation material; placing the cement composition in a selected location; and allowing the cement composition to set. | 01-21-2016 |
20160003600 | AN INITIATOR HAVING AN EXPLOSIVE SUBSTANCE OF A SECONDARY EXPLOSIVE - An initiator comprises: a first explosive substance, wherein the first explosive substance comprises a secondary explosive, and wherein at least the first explosive substance is capable of being initiated. The initiator comprises effectively no primary explosive. The secondary explosive can be a thermally-stable secondary explosive. A method of using an initiator comprises: initiating the initiator. | 01-07-2016 |
20160003004 | PRESSURE EQUALIZATION FOR DUAL SEAT BALL VALVE - A ball valve comprising a housing comprising a fluid passage, a first seat surface, a second seat surface, and a ball rotatably movable within the housing between an open position allowing flow through the fluid passage of the housing and a closed position preventing flow through the fluid passage of the housing, wherein the ball contacts the first seat surface and the second seat surface to form one or more seals within the ball valve, wherein the ball comprises a fluid passage and a fluid path, wherein the fluid path fluidly connects a space between the first seat surface and the second seat surface with the fluid passage of the housing, with the fluid passage of the ball, or both, when the ball is in the open position. | 01-07-2016 |
20160002996 | Pressure Control Device with Remote Orientation Relative to a Rig - A method of maintaining a substantially fixed orientation of a pressure control device relative to a movable rig can include rotating a body of the pressure control device while the rig rotates. A method of remotely controlling an orientation of a pressure control device relative to a movable rig can include rotating a body of the pressure control device, and controlling the rotation of the body from a location on the rig remote from the body. A pressure control device for use in conjunction with a rig can include a body, a flange, an orientation device which changes a rotational orientation of the body relative to the flange, and an orientation control system which remotely controls the orientation device. | 01-07-2016 |
20160001359 | INDUCTION INFILTRATION AND COOLING OF MATRIX DRILL BITS - Zonal heating and cooling during the production of matrix drill bits may be achieved with a system that includes a cavity defined within a mold assembly having a central axis; reinforcing particles and a binder material disposed within the cavity; and a plurality of induction coils about a periphery of the mold assembly, each induction coil being spaced from each other along the height of the mold assembly, wherein a first induction coil of the plurality of induction coils is arranged proximal to a portion of mold assembly containing a portion of the reinforcing particles and a second induction coil of the plurality of induction coils is arranged proximal to a portion of the mold assembly containing a portion of the binder material. | 01-07-2016 |
20150377597 | Shaped Charge Liner with Nanoparticles | 12-31-2015 |
20150377019 | In-Situ Geomechanical Testing - A method of testing mechanical properties of an earth formation can include disposing a probe in a wellbore, impacting the probe against a wall of the wellbore, and measuring a parameter related to at least one of a displacement, displacement rate, strain, and strain rate, of at least one of the probe and the formation. Another method can include disposing a probe and a known material in a wellbore, and after the disposing, penetrating the known material with the probe. Another method can include disposing a probe in a wellbore, measuring a displacement of the probe into a wall of the wellbore while measuring a load applied to the probe, and applying fluid pressure to the formation via the probe. | 12-31-2015 |
20150376990 | EROSION MODULES FOR SAND SCREEN ASSEMBLIES - Disclosed are sand control screen assemblies that include one or more erosion-resistant modules. One sand control screen assembly includes a base pipe defining one or more flow ports that provide fluid communication into an interior of the base pipe, a well screen arranged about the base pipe and in fluid communication with the one or more flow ports via a flow path extending between the well screen and the one or more flow ports, and an erosion module arranged within the flow path and comprising an erosion-resistant material, the erosion-resistant material being configured to filter a fluid prior to the fluid entering the interior of the base pipe. | 12-31-2015 |
20150376985 | AUTOFILL AND CIRCULATION ASSEMBLY AND METHOD OF USING THE SAME - A wellbore system comprising an autofill and circulation assembly comprising a housing defining a flowbore and comprising a first port and a second port, and a first sleeve slidable within the housing from a first position to a second position and from the second position to a third position, when the first sleeve is in the first position, the assembly allows fluid communication from an exterior of the housing to the flowbore via the first port and does not allow fluid communication from the flowbore to the exterior of the housing via the first port, when the first sleeve is in the second position, the assembly allows bidirectional fluid communication between the exterior of the housing and the flowbore via the second port, and, when the first sleeve is in the third position, the assembly disallows fluid communication between the exterior of the housing and the flowbore. | 12-31-2015 |
20150376983 | WELLBORE SYSTEMS CONFIGURED FOR INSERTION OF FLOW CONTROL DEVICES AND METHODS FOR USE THEREOF - It is sometimes desirable to regulate fluid flow using autonomous inflow control devices (AICDs), but they are not readily configurable in the field. Wellbore systems providing adjustable flow control may comprise: a wellbore pipe having an interior space, an outer surface, and one or more orifices defined in the wellbore pipe and extending between the interior space and the outer surface; a flow control assembly fixedly coupled to the wellbore pipe and comprising one or more flow chambers defined on the outer surface of the wellbore pipe that are in fluid communication with the one or more orifices; a movable cover configured to provide access to the one or more flow chambers; and a bung arranged within at least one of the one or more orifices, the bung being configured to accept an insert therein, the insert being at least one of an AICD, a blank, or any combination thereof. | 12-31-2015 |
20150376980 | INTERNAL ADJUSTMENTS TO AUTONOMOUS INFLOW CONTROL DEVICES - Disclosed are wellbore flow control devices that allow on-site field adjustments to flow characteristics. One autonomous inflow control device (AICD) assembly includes a base pipe defining one or more flow ports and an interior, at least one AICD arranged on the base pipe and having at least one fluid inlet and an outlet in fluid communication with one of the one or more flow ports, and a fluid barrier configured to be arranged about the at least one AICD by a well operator on-site and configured to isolate the at least one AICD from an influx of fluid during operation. | 12-31-2015 |
20150376957 | SYSTEMS AND METHODS FOR RELEASING A TOOL STRING - Disclosed is a release tool used to separate portions of a tool string. One release tool includes a main body, a bolt housing coupled to the main body and defining a bore for receipt of a separation bolt therein, the separation bolt being configured to couple the bolt housing to a lower sub, and a trigger mechanism communicably coupled to the separation bolt and configured to send an electrical signal to the separation bolt whereupon the separation bolt breaks and thereby allows the lower sub to separate from the bolt housing. | 12-31-2015 |
20150376956 | DOWNHOLE CONTROL LINE CONNECTOR - An example connector includes a housing having a conduit chamber defined therein between a body and a shroud, a matable connector at least partially disposed within the housing and providing a mating face that faces tangentially with respect to the housing so as to mate tangentially with an opposing matable connector, and a splitter block coupled to the housing and conveying one or more communication media into the conduit chamber to communicate with the matable connector. | 12-31-2015 |
20150376948 | DOWN HOLE HARMONIC DRIVE TRANSMISSION - A drilling assembly positionable in a well bore includes a turbine motor couplable to a drill string and a harmonic drive transmission coupled to the turbine motor. The harmonic drive transmission includes a circular spline, a wave generator, a flexspline, and a sealing subsystem. The sealing subsystem defines a substantially sealed volume containing the circular spline, wave generator, and flexspline, and isolates the circular spline, wave generator, and flexspline from drilling fluid exiting the turbine motor and flowing through the harmonic drive transmission. | 12-31-2015 |
20150376492 | Plugging Composition Using Swellable Glass Additives - Disclosed are methods and compositions for plugging in a subterranean formation. An example comprises providing a composition comprising a cementitious material, water, and a swellable glass additive, wherein the swellable glass additive comprises a plurality of interconnected organosilica nanoparticles; and introducing the composition into a subterranean formation. | 12-31-2015 |
20150375299 | INSULATION ENCLOSURE WITH A RADIANT BARRIER - An example insulation enclosure includes a support structure having at least an inner frame and providing a top end, a bottom end, and an opening defined in the bottom end for receiving a mold within an interior of the support structure, and a radiant barrier positioned within the interior of the support structure, the radiant barrier including a front surface arranged to face the mold and a back surface facing the support structure, wherein the radiant barrier interposes the mold and the support structure to redirect thermal energy radiated from the mold back towards the mold. | 12-31-2015 |
20150369954 | Optical Push-Pull Interferometric Sensors for Electromagnetic Sensing - A method of measuring an electromagnetic field in a formation can include installing an electromagnetic sensor with improved sensitivity, the sensor including multiple optical waveguides and respective multiple materials, and in response to exposure to the electromagnetic field, the materials changing shape in opposite directions. A well system can include an optical electromagnetic sensor which measures an electromagnetic field in a formation, and wherein optical path lengths or phases in optical waveguides of the sensor change both positively and negatively in response to exposure to the electromagnetic field. A method of monitoring a formation can include installing an optical electromagnetic sensor in a wellbore which penetrates the formation, and an optical path length/phase in an optical waveguide of the sensor increasing in response to exposure to the electromagnetic field, and an optical path length/phase in another optical waveguide of the sensor decreasing in response to exposure to the electromagnetic field. | 12-24-2015 |
20150369950 | RESISTIVITY LOGGING SYSTEMS AND METHODS EMPLOYING RATIO SIGNAL SET FOR INVERSION - Electromagnetic resistivity logging systems and methods yielding formation anisotropy and dip from a signal set that closely approximates the response of a idealized tool. One illustrative method embodiment derives from an azimuthally-sensitive tool's measurements a full set of orthogonal direct couplings (Vxx, Vyy, Vzz) and a cross-coupling sum (Vxz+Vzx) or (Vyz+Vzy). These values are converted into a signal set as a function of borehole position, the set including: a first signal representing a ratio between Vzz coupling components at different spacing distances, a second signal representing a ratio between Vxx and Vzz coupling components, a third signal representing a ratio between Vyy and Vzz coupling components, a fourth signal representing a ratio between Vxx and Vyy coupling components, and a fifth signal representing a ratio between a cross-coupling sum and a sum of the direct couplings. From this signal set, formation parameters can be accurately determined by inversion. | 12-24-2015 |
20150369656 | Cross-Sensor Standardization - The disclosed embodiments include a method, apparatus, and computer program product for generating a cross-sensor standardization model. For example, one disclosed embodiment includes a system that includes at least one processor; at least one memory coupled to the at least one processor and storing instructions that when executed by the at least one processor performs operations comprising selecting a representative sensor from a group of sensors comprising at least one of same primary optical elements and similar synthetic optical responses and calibrating a cross-sensor standardization model based on a matched data pair for each sensor in the group of sensors and for the representative sensor. In one embodiment, the at least one memory coupled to the at least one processor and storing instructions that when executed by the at least one processor performs operations further comprises generating the matched data pair, wherein the matched data pair comprises calibration input data and calibration output data. | 12-24-2015 |
20150369043 | FLUID ANALYSIS SYSTEM WITH INTEGRATED COMPUTATION ELEMENT FORMED USING ATOMIC LAYER DEPOSITION - Fluid analysis systems with Integrated Computation Elements (ICEs) or other optical path components formed using atomic layer deposition (ALD) enables improved tolerances and design flexibility. In some of the disclosed embodiments, a fluid analysis system includes a light source and an ICE. The fluid analysis system also includes a detector that converts optical signals to electrical signals. The ICE comprises a plurality of optical layers, where at least one of the plurality of optical layers is formed using ALD. A related method includes selecting an ICE design having a plurality of optical layers. The method also includes forming at least one of the plurality of optical layers of the ICE using ALD to enable prediction of a chemical or physical property of a substance. A related logging string includes a logging tool section and a fluid analysis tool associated with the logging tool section. The fluid analysis tool includes an ICE with at least one optical layer formed using ALD. | 12-24-2015 |
20150369030 | CLOSED-LOOP DRILLING PARAMETER CONTROL - An example method for control of a drilling assembly includes receiving measurement data from at least one sensor coupled to an element of the drilling assembly positioned in a formation. An operating constraint for at least a portion of the drilling assembly may be determined based, at least in part, on a model of the formation and a set of offset data. A control signal may be generated to alter one or more drilling parameters of the drilling assembly based, at least in part, on the measurement data and the operating constraint. The control signal may be transmitted to a controllable element of the drilling assembly. | 12-24-2015 |
20150368980 | FIBER-REINFORCED TOOLS FOR DOWNHOLE USE - A wellbore tool may be formed, at least in part, by a fiber-reinforced hard composite portion that comprises reinforcing particles and reinforcing fibers dispersed in a binder, wherein the reinforcing fibers have an aspect ratio ranging from 1 to 15 times a critical aspect ratio (A | 12-24-2015 |
20150368548 | Light Weight Proppant With Improved Strength And Methods Of Making Same - Methods are described to make strong, tough, and lightweight whisker-reinforced glass-ceramic composites through a self-toughening structure generated by viscous reaction sintering of a complex mixture of oxides. The invention further relates to strong, tough, and lightweight glass-ceramic composites that can be used as proppants and for other uses. | 12-24-2015 |
20150361789 | Multi-Frequency Dielectric Borehole Imager - Systems, methods and devices for dielectric borehole imagery are disclosed. Systems may include one or more transmitters that induce, at azimuthally-spaced positions on a borehole wall, a plurality of fields having components in non-coplanar directions within a formation; one or more directionally sensitive receivers that sense the components caused by each of the one or more transmitters; and a controller that processes signals received from the one or more directionally sensitive inductive sensors to provide a set of measurements representative of dielectric parameters at two or more azimuthal positions within the borehole. | 12-17-2015 |
20150361766 | DRILLING TURBINE POWER GENERATION - An example drilling turbine includes a turbine power section having a turbine shaft and a plurality of turbine stages axially arranged along the turbine shaft. A turbine bearing section is coupled to the turbine power section and has a drive shaft operatively coupled to the turbine shaft such that rotation of the turbine shaft rotates the drive shaft. The turbine bearing section includes a lower mandrel that houses a portion of the drive shaft rotatable with respect to the lower mandrel, one or more magnets disposed on an inner surface of the lower mandrel, a generator coil coupled to the drive shaft and aligned with the magnets, and one or more sensors coupled to the drive shaft and in electrical communication with the generator coil. The turbine shaft rotates the drive shaft, which rotates the generator coil with respect to the magnets, and thereby generates electrical power for the sensors. | 12-17-2015 |
20150361323 | TREATMENT FLUIDS FOR REDUCING SUBTERRANEAN FORMATION DAMAGE - Methods including providing a treatment fluid comprising a base fluid, a wettability altering surfactant, and a chelating agent, wherein the treatment fluid has a pH of at least about 5; introducing the treatment fluid into a subterranean formation; altering a wettability of the subterranean formation from oil-wet to either mixed-wet or water-wet with the wettability altering surfactant; and complexing metal ions in the subterranean formation with the chelating agent. | 12-17-2015 |
20150361321 | GELLABLE TREATMENT FLUIDS COMPRISING QUATERNARY AMMONIUM SALT GEL-TIME MODIFIERS AND METHODS FOR USE THEREOF - Methods for reducing the amount of water produced from a subterranean formation can include the use of a gellable treatment fluid that comprises a quaternary ammonium salt as a gel-time modifier. The gellable treatment fluids can comprise an aqueous base fluid, a base polymer comprising an acrylamide monomer unit, an organic crosslinking agent, and a gel-time modifier comprising a quaternary ammonium salt. | 12-17-2015 |
20150355367 | SENSORS, TOOLS AND SYSTEMS CONTAINING A METALLIC FOAM AND ELASTOMER COMPOSITE - The present disclosure relates to a logging sensor or tool including a structural component, a non-structural component, and a composite disposed between the structural component and the non-structural component. The composite may contain a metallic foam having pores and an elastomeric material deposited in the pores. The elastomeric material may include an elastomer and a plurality of metallic shield particles. The disclosure further relates to a logging system and to a wireline system containing such a logging sensor or tool. | 12-10-2015 |
20150354300 | FLEXURE MEMBRANE FOR DRILLING FLUID TEST SYSTEM - A disclosed dynamic receiver includes a housing defining a receiver chamber and having a first end cap at one end of the housing and a second end cap at an opposing end of the housing, a flexure membrane arranged within the receiver chamber and providing a membrane wall having a first end that is closed and arranged adjacent a fluid inlet into the receiver chamber and a second end that is open and secured to an inner wall of the receiver chamber, and a piston assembly movably arranged in the receiver chamber and including a piston head and a piston rod extending axially from the piston head, wherein, as filtrate from a test fluid enters the fluid inlet, the filtrate acts on the flexure membrane such that hydraulic fluid disposed within the membrane cavity is displaced and thereby moves the piston assembly axially within the receiver chamber. | 12-10-2015 |
20150354290 | VIBRATION DAMPER - The subject matter of this specification can be embodied in, among other things, a method including inserting a vibration damper tool in a drill string, the damper including a tubular housing having an exterior surface and a longitudinal passageway, and at least one fluid actuated piston assembly, said piston assembly including an extendable piston, a transverse passageway, a spring chamber in the transverse passageway, and at least one spring disposed in the spring chamber. The spring biases the piston in a retracted position. The drill string and dampening tool are inserted into a wellbore, fluid is flowed down the drill string and exerts pressure on a proximal end of the piston, and creates a fluidic force sufficient to overcome a biasing retractable force of the spring to extend the piston longitudinally until a distal end of the piston contacts a sidewall of the wellbore. | 12-10-2015 |
20150354283 | EROSION RESISTANT HARD COMPOSITE MATERIALS - A hard composite composition may comprise a binder and a polymodal blend of matrix powder. The polymodal blend of matrix powder may have at least one first local maxima at a particle size of about 0.5 nm to about 30 μm, at least one second local maxima at a particle size of about 200 μm to about 10 mm, and at least one local minima between a particle size of about 30 μm to about 200 μm that has a value that is less than the first local maxima. | 12-10-2015 |
20150346119 | Determining Perforation Tunnel Impairment Productivity Using Computed Tomography - Disclosed is a method of testing the effectiveness of perforations and well treatments to enhance production, wherein tomographic image data is collected while fluid flow tests are conducted on a formation sample and thereafter three dimensional images are created and analyzed. | 12-03-2015 |
20150345273 | METHODS AND PROCESSES TO RECYCLE BASE OIL FLUIDS FROM SPENT INVERT EMULSION DRILLING FLUIDS - Methods and processes for recycling base oils from spent invert emulsion drilling fluids may include frictionally heating a spent drilling fluid that comprises an invert emulsion and solids, wherein the solids are at about 50% or less by volume of the spent drilling fluid; and simultaneously evaporating oil and water from the invert emulsion at a temperature lower than an atmospheric boiling point for the oil. | 12-03-2015 |
20150345239 | ELASTIC PIPE CONTROL AND COMPENSATION WITH MANAGED PRESSURE DRILLING - A method of regulating downhole pressure using managed pressure drilling may include calculating an elasticity of a drill string during a drilling operation using a torque and drag model included in a managed pressure drilling (MPD) control system and calculating a surge pressure and a swab pressure acting on the drill string during the drilling operation using a hydraulics model included in the MPD control system. The surge and swab pressures may be based on movement of the drill string and in accordance with the elasticity of the drill string. The method may further include determining a set point pressure using a real-time hydraulics model and the torque and drag model, and operating a MPD choke system based on the set point pressure to regulate a predetermined downhole pressure at a predetermined location in a wellbore. | 12-03-2015 |
20150345231 | SYSTEMS AND METHODS FOR RELEASING A TOOL STRING - Disclosed is a release tool used to separate portions of a tool string. One release tool includes a main body, a collet retainer coupled to the main body and having a collet assembly arranged therein, the collet assembly being operatively coupled to a lower sub, a support piston releasably coupled to a separation nut and engaging the collet assembly such that the lower sub is prevented from removal from the collet assembly, and a trigger mechanism configured to send a command signal to the separation nut whereupon the separation nut releases the support piston such that it is able to be moved and the lower sub is thereby able to be removed from the collet assembly. | 12-03-2015 |
20150337656 | System and Method for Collecting a Representative Formation Fluid During Downhole Testing Operations - A method for collecting a formation fluid for testing includes introducing a formation sample tool having a first port and a second port into a wellbore. A first fluid is injected through the first port into the formation to clear a sample passage and allow access to uncontaminated formation fluid. A second fluid is injected through the second port into the formation to provide a barrier adjacent to or around the sample passage. A sample of the uncontaminated formation fluid is removed from the formation through the first port. | 11-26-2015 |
20150337629 | USING DYNAMIC UNDERBALANCE TO INCREASE WELL PRODUCTIVITY - An example underbalance pressure generator device includes a housing having a first end, a second end, and an implosion chamber between the first and second ends, one or more influx ports defined in the housing and enabling fluid communication between the implosion chamber and an exterior of the housing, at least one frangible member fixedly attached to the housing such that a pressure differential can be generated across the at least one frangible member between the implosion chamber and the exterior of the housing, and an actuation device within the housing and configured to rupture the at least one frangible member upon being triggered. | 11-26-2015 |
20150337627 | FLOW RINGS FOR REGULATING FLOW IN AUTONOMOUS INFLOW CONTROL DEVICE ASSEMBLIES - Disclosed are wellbore flow control devices that allow on-site field adjustments to flow characteristics. One autonomous inflow control device (AICD) assembly includes a base pipe defining one or more flow ports and an interior, a first end ring and a second end ring each arranged about the base pipe, the second end ring being axially-offset from the first end ring such that a fluid compartment is defined therebetween, an AICD arranged within the fluid compartment and having at least one fluid inlet and an outlet configured to be in fluid communication with one of the one or more flow ports, and a flow ring arranged about the base pipe and in fluid communication with the AICD, the flow ring being operable to regulate a fluid flow into the interior of the base pipe and being accessible and manipulatable by a well operator on-site. | 11-26-2015 |
20150337626 | ADJUSTABLE AUTONOMOUS INFLOW CONTROL DEVICES - Disclosed are wellbore flow control devices that allow on-site field adjustments to flow characteristics. One disclosed well system includes a base pipe defining one or more flow ports and an interior, a first end ring and a second end ring each arranged about the base pipe, the second end ring being axially-offset from the first end ring such that a fluid compartment is defined therebetween, an autonomous inflow control device (AICD) arranged within the fluid compartment and having at least one fluid inlet and an outlet in fluid communication with the one or more flow ports, and a sleeve removably coupled to the first and second end rings and configured to be removed to provide access to the fluid compartment and the AICD in order to make on-site fluid flow adjustments to the AICD. | 11-26-2015 |
20150337610 | METHODS AND SYSTEMS FOR PERFORMANCE OF SUBTERRANEAN OPERATIONS USING DUAL STRING PIPES - Methods and systems for improving delivery and retrieval of fluids to and from a downhole location are disclosed. A dual string pipe ( | 11-26-2015 |
20150337605 | SYSTEMS AND METHODS OF SECURING AND PROTECTING WELLBORE CONTROL LINES - Disclosed are systems and method of securing and protecting control lines during run-in into a wellbore with wellbore tape. The wellbore tape includes a substrate having a front surface and a back surface, a wear-resistant coating disposed on at least a portion of the front surface, and an adhesive layer disposed on the back surface, the adhesive layer being configured to affix the substrate to an outer surface of a conveyance. | 11-26-2015 |
20150337435 | FABRICATION OF INTEGRATED COMPUTATIONAL ELEMENTS USING SUBSTRATE SUPPORT SHAPED TO MATCH SPATIAL PROFILE OF DEPOSITION PLUME - A system includes a computational system to receive a design of an integrated computational element (ICE) including specification of a substrate and a plurality of layers, their respective target thicknesses and complex indices, such that a notional ICE fabricated based on the ICE design is related to a characteristic of a sample. Additionally, the system includes a deposition chamber including a deposition source to provide a deposition plume having a plume spatial profile, and a support to support a plurality of instances of the substrate during fabrication of a plurality of instances of the ICE. The support is spaced apart from the deposition source and has a shape that corresponds to the plume spatial profile, such that when the supported instances of the substrate are distributed over the support, thicknesses of instances of each of the deposited layers are substantially uniform across the plurality of instances of the ICE. | 11-26-2015 |
20150331139 | SYSTEMS AND METHODS FOR PERFORMING RANGING MEASUREMENTS USING THIRD WELL REFERENCING - Systems and methods for obtaining ranging measurements are described herein. An example method includes injecting a current | 11-19-2015 |
20150331132 | METHOD AND APPARATUS FOR THE DOWNHOLE IN-SITU DETERMINATION OF THE SPEED OF SOUND IN A FORMATION FLUID - An apparatus and a method for measuring a speed of sound in a fluid in a well bore may include a frame adapted to receive the fluid there through are provided. The apparatus includes an acoustic source mounted on the frame; an acoustic detector to measure a signal propagating through the fluid, the acoustic detector disposed proximate the frame at a known distance from the acoustic source; and a test circuit adapted to synchronize the acoustic detector with a signal propagating through the frame. A method to determine physical properties of a fluid in a geological formation including a shear wave anisotropy in the geological formation and the formation composition using the fluid density and the fluid speed of sound is also provided. | 11-19-2015 |
20150330203 | SYSTEMS AND METHODS FOR ESTIMATION OF INTRA-KEROGEN POROSITY OF DOWNHOLE FORMATION SAMPLES FROM PYROLYSIS TESTS AND BASIN MODELING DATA - Systems and methods for determining kerogen porosity of a formation for downhole operations are described herein. An example method may include obtaining core pyrolysis data from a wellbore disposed in a formation. A thermal characteristic of the formation proximate to the wellbore, such as a time-temperature burial history of the formtion, may also be determined. A kerogen porosity of the formation may be calculated based, at least in part, on the pyrolysis data and the thermal characteristic, and a downhole operation may be performed based, at least in part, on the calculated kerogen porosity. | 11-19-2015 |
20150330191 | Well Flow Control with Acid Actuator - A well production device includes a production tubing with a fluid passage between the exterior of the tubing and a center bore of the tubing. A fluid barrier is provided sealing the fluid passage. The device has a chamber comprising a dissolving fluid adapted to dissolve the fluid barrier when in contact with the fluid barrier and an actuator configured to release the dissolving fluid into contact with the fluid barrier in response to a signal. | 11-19-2015 |
20150330190 | DEEP FORMATION EVALUATION SYSTEMS AND METHODS - Apparatuses, systems and methods for deep formation evaluations, at least some of which include LWD tool modules positioned along a drillstring with a first LWD tool module that includes a transmit antenna, a second LWD tool module that includes a receive antenna and at least one position measurement device that at least partially determines spatial locations of the transmit and receive antennas relative to each other. A formation model is then matched to a surrounding formation based at least in part on said relative spatial locations. | 11-19-2015 |
20150329764 | TREATMENT FLUIDS CONTAINING A BORON TRIFLUORIDE COMPLEX AND METHODS FOR USE THEREOF - Treatment fluids for use in subterranean formations, particularly sandstone and other siliceous formations, may contain a source of fluoride ions to aid in mineral dissolution. In some cases, it may be desirable to generate the fluoride ions from a fluoride ion precursor, particularly a hydrofluoric acid precursor, such as a boron trifluoride complex. Methods described herein can comprise providing a treatment fluid that comprises an aqueous base fluid, a boron trifluoride complex, and a chelating agent composition, and introducing the treatment fluid into a subterranean formation. | 11-19-2015 |
20150329382 | Electrocoagulation Removal of Zinc in Produced Water - Electrocoagulation may be used to reduce the concentration of zinc ions in produced water. For example, a method may induce producing a wellbore fluid from a subterranean formation, the wellbore fluid comprising hydrocarbons and water, the water having zinc ions dispersed therein at a concentration greater than about 1 ppm; separating the hydrocarbons from the water; and separating at least some of the zinc ions from the water via electrocoagulation to yield an effluent water and precipitated zinc salts. | 11-19-2015 |
20150322781 | SYSTEM AND METHOD FOR ANALYZING CUTTINGS USING AN OPTO-ANALYTICAL DEVICE - In one embodiments, a method includes drilling a wellbore in a formation with a drilling tool. The method further includes receiving electromagnetic radiation using an opto-analytical device coupled to the drilling tool. The method also includes detecting a characteristic of cuttings associated with drilling the wellbore based on the received electromagnetic radiation. | 11-12-2015 |
20150322777 | SYSTEM AND METHOD FOR TRIGGERING A DOWNHOLE TOOL - A method of servicing a wellbore includes arranging an assembly within a lubricator coupled to a tree, the assembly including at least one downhole tool and a signal receiver subassembly. An acoustic signal is communicated to the signal receiver subassembly while the assembly is arranged within the lubricator. The acoustic signal is perceived with a transceiver communicably coupled to the signal receiver subassembly and thereby activates a timer communicably coupled to the signal receiver subassembly while the assembly is arranged within the lubricator. The assembly is introduced into the wellbore and advanced until reaching a target depth. A trigger signal is them transmitted with the signal receiver subassembly to the at least one downhole tool to actuate the at least one downhole tool. | 11-12-2015 |
20150322774 | TILTED ANTENNA LOGGING SYSTEMS AND METHODS YIELDING ROBUST MEASUREMENT SIGNALS - Disclosed herein are electromagnetic logging systems and methods that provide a set of signals that robustly approximate the response of a model tool employing orthogonal triads of point-dipole antennas. One illustrative method embodiment obtains an azimuthally sensitive electromagnetic logging tool's signal measurements as a function of position in a borehole, the tool having at least two spacing distances (d | 11-12-2015 |
20150322772 | SYSTEM AND METHOD FOR MEASURING TEMPERATURE USING AN OPTO-ANALYTICAL DEVICE - In one embodiment, a method includes drilling a wellbore in a formation with a drilling tool. The method further includes receiving electromagnetic radiation using an opto-analytical device coupled to the drilling tool. The method also includes detecting a temperature associated with drilling the wellbore based on the received electromagnetic radiation. | 11-12-2015 |
20150322767 | Systems and Methods of Adjusting Weight on Bit and Balancing Phase - Disclosed are systems and methods of balancing weight distribution between downhole cutting tools. One system includes a drill bit arranged at a distal end of the bottom-hole assembly, a first sensor sub arranged proximate to the drill bit and configured to monitor one or more operational parameters corresponding to the drill bit, a reamer axially-offset from the drill bit on the bottom-hole assembly, a second sensor sub arranged proximate to the reamer and configured to monitor one or more operational parameters of the reamer, and a communications module communicably coupled to the first and second sensor subs and configured to communicate one or more corrective action signals when the one or more operational parameters of the drill bit and the reamer surpass a predetermined operating threshold. | 11-12-2015 |
20150322750 | FLOW DISTRIBUTION ASSEMBLIES FOR PREVENTING SAND SCREEN EROSION - Disclosed are flow distribution assemblies for distributing fluid flow through well screens. One flow distribution assembly includes a bulkhead arranged about a base pipe having one or more flow ports and defining flow conduits in fluid communication with the flow ports, a sand screen arranged about the base pipe and extending axially from the bulkhead, a flow annulus defined between the sand screen and the base pipe, and flow tubes fluidly coupled to the flow conduits and extending axially from the bulkhead within the flow annulus, the flow tubes being configured to place an interior of the base pipe in fluid communication with the flow annulus via the flow ports, wherein the flow tubes distribute a fluid through the at least one sand screen at a plurality of axial locations within the flow annulus. | 11-12-2015 |
20150322720 | SYSTEM AND METHOD FOR DETECTING DRILLING EVENTS USING AN OPTO-ANALYTICAL DEVICE - In one embodiment, a method includes drilling a wellbore in a formation with a drilling tool. The method further includes receiving electromagnetic radiation at an opto-analytical device coupled to the drilling tool. The method also includes determining a drilling characteristic based on the received electromagnetic radiation, and detecting an event associated with drilling the wellbore based on the determined drilling characteristic. | 11-12-2015 |
20150322328 | COLLOIDAL HIGH ASPECT RATIO NANOSILICA ADDITIVES IN SEALANTS AND METHODS RELATING THERETO - Colloidal high aspect ratio nanosilica additives that comprise colloidal high aspect ratio nanosilica particles having an average diameter of about 100 nm or less and an average aspect ratio of about 1.5 or greater may be useful in forming sealants in a wellbore, a subterranean formation, or both. For example, a method may include introducing a wellbore fluid into a wellbore penetrating a subterranean formation, the wellbore fluid comprising an aqueous base fluid, an activator, and a colloidal high aspect ratio nanosilica additive; placing the wellbore fluid into a portion of the wellbore, a portion of the subterranean formation, or both; and forming a sealant that comprises the colloidal high aspect ratio nanosilica additive therein. | 11-12-2015 |
20150322327 | Sugar Cane Ash in Spacer Fluids - Disclosed are spacer fluids and methods of use in subterranean formations. Embodiments may include using a spacer fluid comprising sugar cane ash and water to displace a drilling fluid in a wellbore. | 11-12-2015 |
20150321961 | PARTICULATE FLOW ENHANCING ADDITIVES AND ASSOCIATED METHODS - A dry, free-flowing cement composition that comprises dry cement particles and flow inducing particulates that comprise solid adsorbent particulates having adsorbed thereon a flow inducing chemical, ethylene glycol, and water. The water is present in an amount from 5% to 30.3% by weight of the solid adsorbent particulates, the ethylene glycol is present in an amount from 3.25 to 20% by weight of the solid adsorbent particulates, and the flow inducing particulate is present in an amount from 0.005% to 5% by weight of the cement. The dry, free-flowing cement composition is free-flowing at temperatures at least as low as 10° F. | 11-12-2015 |
20150316170 | MULTIPLE PISTON PRESSURE INTENSIFIER FOR A SAFETY VALVE - Disclosed are subsurface safety valves having multiple pistons used to increase the opening force. One safety valve includes a housing having a piston bore defined therein and configured to receive hydraulic fluid pressure, the piston bore providing an upper bore having a first diameter and a lower bore having a second diameter smaller than the first diameter, a piston assembly movably arranged within the piston bore and comprising an upper piston arranged in and configured to sealingly engage the upper bore and a lower piston arranged in and configured to sealingly engage the lower bore, and a connecting rod coupling the upper and lower pistons, wherein a cavity is defined between the upper and lower pistons within the piston bore and the piston rod extends within the cavity. | 11-05-2015 |
20150315885 | METHODS AND SYSTEMS FOR GENERATING REACTIVE FLUORIDE SPECIES FROM A GASEOUS PRECURSOR IN A SUBTERRANEAN FORMATION FOR STIMULATION THEREOF - In situ generation of hydrogen fluoride or other reactive fluoride species can sometimes be beneficial during an acidizing operation, particularly when it is desired to limit the presence of a carrier fluid that may be present. Methods for acidizing a subterranean formation can comprise: providing a treatment fluid comprising a non-HF fluoride compound, the non-HF fluoride compound being a gas at standard temperature and pressure and that is free of boron; introducing the treatment fluid into a subterranean formation; transforming the non-HF fluoride compound into a reactive fluoride species; and etching a surface in the subterranean formation with the reactive fluoride species, the surface comprising a siliceous material. | 11-05-2015 |
20150315875 | Red Mud Solids in Spacer Fluids - Disclosed are spacer fluids and methods of use in subterranean formations. Embodiments may include using a spacer fluid comprising red mud solids and water to displace a drilling fluid in a wellbore. | 11-05-2015 |
20150315870 | Composite Wellbore Ball Valve - A composite wellbore ball valve has a spherical, fiber reinforced composite ball valve closure. The closure has an interior, central through-bore and an annular metallic sealing surface. A ball carrying assembly has an annular, metallic sealing seat surface adapted to contact and form a metal-to-metal seal with the metallic sealing surface of the ball valve closure when the ball valve closure is closed. | 11-05-2015 |
20150315849 | LOAD CROSS-OVER SLIP-JOINT MECHANISM AND METHOD OF USE - A downhole tool assembly is presented for use in a wellbore, the tool having a mandrel assembly for substantially bearing the tensile and rotational loads placed on the tool assembly during run-in to the wellbore, a displacement assembly for substantially bearing displacement loads and for providing relative movement to the mandrel assembly, the displacement assembly for actuating a actuable tool attached to the mandrel assembly. The mandrel assembly has an upper mandrel positioned radially outward of the displacement assembly and a lower mandrel positioned radially inward of the displacement assembly. A load cross-over mandrel transfers the tensile and rotational loads between the upper and lower mandrels. The load cross-over mandrel has a plurality of passages which allow corresponding rods of the displacement assembly to slide therethrough. The rods transfer the displacement loads from actuators above the rods to an actuable tool below the rods. | 11-05-2015 |
20150309201 | METHOD AND APPARATUS FOR OPTIMIZING DEEP RESISTIVITY MEASUREMENTS WITH MULTI-COMPONENT ANTENNAS - According to aspects of the present disclosure, systems and methods for optimizing deep resistivity measurements are described herein. The method may include obtaining one or more first multi-component measurements from a downhole tool disposed in a bore-hole. The downhole tool may comprise multi-component antennae. A relative structural dip angle, Φ, of the downhole tool relative to formations may be determined, for example, through the use of an additional downhole tool, or computationally using the one or more first multi-component measurements. A tilt angle of at least one of the multi-component antenna may be adjusted, with the adjusted tilt angle being based on the dip angle. The method may further include obtaining one or more second multi-component measurements associated with the adjusted tilt angle, and determining a formation characteristic based, at least in part, on the one or more second multi-component measurements, without including or considering formation anisotropy effects. | 10-29-2015 |
20150308263 | CABLE INTEGRITY MONITOR FOR ELECTROMAGNETIC TELEMETRY SYSTEMS - In some embodiments, an apparatus and a system, as well as a method and an article, may include a signal integrity monitor that senses the signal transmitted between a surface device and a downhole device. The signal integrity monitor is adapted to disconnect power from the communication system if a fault in the communication line is detected. | 10-29-2015 |
20150308216 | FIBER REINFORCED SEALING ELEMENT - A method for making a sealing element for a rotating control device used in rotary drilling systems is disclosed. The sealing element has a bore, a base region, and a nose region. The method comprises providing a mold for the sealing element for the rotating control device, adding fibers at a first concentration to a first liquid elastomer material containing polyurethane, placing the first liquid elastomer material having a first concentration of fibers into the mold, adding fibers at a second concentration to a second liquid elastomer material containing polyurethane, placing the second liquid elastomer material having a second concentration of fibers into the mold, heating the fibers and liquid elastomer in the mold, and forming a sealing element having a bore, a base region with a first concentration of fibers, and a nose region having a second concentration of fibers. | 10-29-2015 |
20150308203 | Mitigating Swab and Surge Piston Effects in Wellbores - A method of mitigating undesired pressure variations in a wellbore due to movement of a well tool string in a well can include selectively decreasing and increasing fluid communication between sections of a wellbore on opposite sides of at least one well tool in the well tool string, the fluid communication being increased in response to detecting a threshold movement of the well tool string relative to the wellbore. A well tool string can include a well tool connected in the well tool string, and having an enlarged outer dimension relative to adjacent sections of the well tool string, a flow passage extending between the well tool's opposite ends, a sensor, and at least one flow control device which selectively permits and prevents fluid communication between the opposite ends via the flow passage, in response to an output of the sensor indicative of movement of the well tool string. | 10-29-2015 |
20150308193 | DIRECTIONAL DRILLING USING A ROTATING HOUSING AND A SELECTIVELY OFFSETABLE DRIVE SHAFT - Example systems described herein may include a housing | 10-29-2015 |
20150301215 | APPARATUS AND METHODS TO FIND A POSITION IN AN UNDERGROUND FORMATION - Various embodiments include apparatus and methods related to finding a position in an underground formation. Apparatus and methods can include receiving signals from a receiver in an underground formation in response to signals generated from transmitting sources, each of the transmitting sources located at a known position; and processing the received signals, based on the signals generated from the transmitting sources, to determine the position of the receiver. A number of techniques can be applied to processing the received signal. Additional apparatus, systems, and methods are disclosed. | 10-22-2015 |
20150300945 | Systems and Methods of Calibrating Integrated Computational Elements - Disclosed are systems and methods for calibrating integrated computational elements. One method includes measuring with a spectrometer sample interacted light comprising spectral data derived from one or more calibration fluids at one or more calibration conditions, the one or more calibration fluids circulating in a measurement system, programming a virtual light source based on the spectral data, simulating the spectral data with the virtual light source and thereby generating simulated fluid spectra corresponding to the spectral data, conveying the simulated fluid spectra to the one or more ICE and thereby generating corresponding beams of optically interacted light, and calibrating the one or more ICE based on the corresponding beams of optically interacted light. | 10-22-2015 |
20150300150 | SYSTEMS AND METHODS FOR LOOK AHEAD RESISTIVITY MEASUREMENT WITH OFFSET WELL INFORMATION - Systems and methods for obtaining deep resistivity measurements are described herein. The method may include obtaining first formation data from a first borehole within a formation. The method may further include obtaining second formation data from a drilling assembly disposed in a second borehole. In certain embodiments, the drilling assembly may comprise a drill bit and a measurement-while-drilling (MWD) or logging while drilling (LWD) assembly, and may be actively drilling the second borehole. The second formation data may correspond to a portion of the formation ahead of and around the drill bit. The first formation data and the second formation data may be correlated to identify a formation characteristic. The method may further include altering an operating condition of the drilling assembly based, at least in part, on the formation characteristic. | 10-22-2015 |
20150300140 | ACID DIVERSION TREATMENTS IN INJECTION WELLS USING PERMEABILITY MODIFIERS - Some embodiments herein comprise providing a treatment fluid comprising an aqueous base fluid, an acid, a permeability modifier, and a permeability modifier deactivator; providing an injection well having a first treatment zone comprising a first aqueous formation permeability, wherein the first treatment zone comprises formation damage; introducing the treatment fluid into the injection well, so as to contact the acid, the permeability modifier, and the permeability modifier deactivator with the first treatment zone; reacting the acid with the first treatment zone so as to repair a portion of the formation damage; reacting the permeability modifier with the first treatment zone so as to cause the first aqueous formation permeability to adopt a second, lesser aqueous formation permeability; and contacting the permeability modifier deactivator with the permeability modifier so as to deactivate the permeability modifier and restore the first treatment zone to about the first aqueous formation permeability. | 10-22-2015 |
20150300114 | Collet Lock Assembly and Method for Downhole Load Diversion - A collet lock assembly for use on a downhole tool allows repeat cycling of a “RELEASE” and “SET” position. In the “RELEASE” position, the collet lock assembly allows bi-directional relative movement of the mandrel in relation to the collet lock assembly, while in the “SET” position, the assembly allows bi-directional load transfer along the mandrel directly into the slip assembly while diverting axial loads away from components positioned along the downhole tool. | 10-22-2015 |
20150300095 | IMPROVED CUTTERS FOR DRILL BITS - Disclosed are improved cutters for fixed-cutter rotating drill bits. One cutter includes a substrate defining a slot therein and being configured to be coupled to a middle portion of a blade of the drill bit, and a cutting element secured within the slot and having at least a portion of the cutting element extending out of the slot, the cutting element further having a first face and a second face, wherein portions of the first and second faces are supported by the substrate within the slot. | 10-22-2015 |
20150293259 | SYSTEM AND METHOD FOR CLOUD LOGGING SYSTEM - A method for implementing a wireline logging cloud computing system includes transforming the single computing device in use at well-sites to perform tool processing into a cloud configuration that can use multiple computing devices. The method includes using a logging manager user interface to communicate tool processing requests and using a logging manager service Cprovider to create a cloud configuration for the tool processing. The method further may include implementing a post-processing manager for implementing cloud computing for post-processing tasks. | 10-15-2015 |
20150293195 | NUCLEAR MAGNETIC RESONANCE T2 RECOVERY PULSE - Various embodiments include apparatus and methods to conduct measurements on a structure using a nuclear magnetic resonance tool. The nuclear magnetic resonance tool can be operated to make nuclear magnetic resonance measurements that generate transverse 5 relaxation time echo train sequences ending with a recovery pulse. Additional apparatus, systems, and methods are disclosed. | 10-15-2015 |
20150293013 | SYSTEMS AND METHODS FOR MONITORING CHEMICAL PROCESSES - A method of monitoring a fluid includes containing the fluid within a flow path, the fluid having a chemical reaction occurring therein. At least one integrated computational element is optically interacted with the fluid, thereby generating optically interacted light. An output signal is then produced based on the optically interacted light that corresponds to a characteristic of the chemical reaction. | 10-15-2015 |
20150292300 | FLOW CONTROL DEVICES AND METHODS OF USE - Disclosed are improved flow control devices and methods of use thereof. One flow control device includes a body arranged within a cavity defined in a housing coupled to a base pipe, the housing defining a perforation and the base pipe defining one or more flow ports aligned with the perforation to allow fluid communication therethrough, and a flow chamber defined within the body and having a longitudinal portion and a radial portion, the radial portion being fluidly coupled to the perforation such that a fluid flowing through the flow chamber is conveyed directly to or from the perforation and the one or more flow ports. | 10-15-2015 |
20150292296 | PACKER ASSEMBLY HAVING SEQUENTIALLY OPERATED HYDROSTATIC PISTONS FOR INTERVENTIONLESS SETTING - A packer for use in a wellbore includes a packer mandrel. First and second pistons are slidably disposed about the packer mandrel defining first and second chambers therewith. An activation assembly initially prevents movement of the first piston. A release assembly initially prevents movement of the second piston. First and second seal assemblies are disposed about the packer mandrel such that actuation of the activation assembly allows a force generated by a pressure difference between the wellbore and the first chamber to shift the first piston in a first direction toward the first seal assembly to radially expand the first seal assembly and to actuate the release assembly and, actuation of the release assembly allows a force generated by a pressure difference between the wellbore and the second chamber to shift the second piston in the first direction toward the second seal assembly to radially expand the second seal assembly. | 10-15-2015 |
20150292295 | MULTIPLE RAMP COMPRESSION PACKER - Systems and methods for remotely setting a downhole device. The system includes a base pipe having inner and outer radial surfaces and defining one or more pressure ports extending between the inner and outer radial surfaces. An internal sleeve is arranged against the inner radial surface and slidable between a closed position, where the internal sleeve covers the one or more pressure ports, and an open position, where the one or more pressure ports are exposed to an interior of the base pipe. A trigger housing is disposed about the base pipe and defines an atmospheric chamber in fluid communication with the one or more pressure ports. A piston port cover is disposed within the atmospheric chamber and moveable between blocking and exposed positions. A wellbore device is used to engage and move the internal sleeve into the open position by applying predetermined axial force to the internal sleeve. | 10-15-2015 |
20150292280 | Mitigating Swab and Surge Piston Effects Across a Drilling Motor - A method of mitigating undesired pressure variations can include flowing fluid between wellbore sections, thereby mitigating a pressure differential due to drill string movement, and the fluid flowing between the wellbore sections via a bypass passage extending through a drilling motor. A drill string can include a drilling motor, a bypass passage in the drilling motor, a sensor, and a flow control device configured to selectively increase and decrease fluid communication between opposite ends of the drilling motor via the bypass passage, in response to an output of the sensor indicative of drill string movement. A method of mitigating undesired pressure variations in a wellbore due to drill string movement can include selectively preventing and permitting fluid communication between wellbore sections on opposite sides of a drilling motor, the fluid communication being permitted in response to detecting a threshold drill string movement. | 10-15-2015 |
20150285017 | DOWNHOLE TOOL STRING BRAKING - A braking apparatus for a tool string positionable in a wellbore and a method of braking a tool string in a wellbore is disclosed. The braking apparatus includes: a tubular housing having at least one radial arm-bay opening; an actuating mechanism including: a wedge member mounted in an internal cavity of the housing; an axial guide rod coupled at one end to the wedge member; and a push-pull device. The push pull device includes: a biasing member casing through which the guide rod extends to contact the wedge member, a biasing member; and at least one braking arm pivotably mounted to a lower portion of the biasing member casing, wherein when the biasing member casing of the push-pull device in in a lowered position, the braking arm bears on a sloped surface of the wedge member to project the braking arm into contact with a wellbore wall. | 10-08-2015 |
20150284622 | GELLABLE TREATMENT FLUIDS COMPRISING AMINO GROUP GEL-TIME MODIFIERS - Gellable treatment fluids comprising: an aqueous base fluid; a base polymer comprising an acrylamide monomer unit; an organic crosslinking agent comprising a crosslinkable polymer; and a gel-time modifier. The organic crosslinking agent comprising a crosslinkable selected from the group consisting of polyethyleneimine, polyvinylamine, any derivative thereof, any salt thereof, and any combination thereof. The gel-time modifier comprising at least one amino group, any salt thereof, any derivative thereof, or any combination thereof. | 10-08-2015 |
20150284621 | METHODS FOR PRODUCING FLUID INVASION RESISTANT CEMENT SLURRIES - Embodiments including methods comprising providing a wellbore in a subterranean formation having a wellbore length; providing a proposed cement slurry formulation; calculating a normalized pressure at a point along the wellbore length based on properties of the proposed cement slurry formulation and properties of the wellbore in the subterranean formation; manipulating the proposed cement slurry formulation based on the normalized pressure so as to produce a fluid invasion resistant cement slurry; introducing the fluid invasion resistant cement slurry into the wellbore; and cementing the fluid invasion resistant cement slurry in the wellbore. | 10-08-2015 |
20150276970 | REDUCING CONDUCTIVE CASING EFFECT IN TRANSIENT CASED-HOLE RESISTIVITY LOGGING - A first broadband magnetic field is induced at a first transmitter position in a well bore drilled through a formation. A first formation magnetic field induced by the first broadband magnetic field is detected at a first receiver position. A second formation magnetic field induced by the first broadband magnetic field is detected at a second receiver position. A second broadband magnetic field is induced at a second transmitter position in the well bore. A third formation magnetic field induced by the second broadband magnetic field is detected at the first receiver position. A fourth formation magnetic field induced by the second broadband magnetic field is detected at the second receiver position. A formation property is computed using a function of the first, second, third, and fourth formation magnetic fields, wherein the function reduces the effect of a casing on the computation of the formation property. | 10-01-2015 |
20150276582 | OPTICAL COMPUTING DEVICES WITH BIREFRINGENT OPTICAL ELEMENTS - Disclosed are optical computing devices that employ birefringent optical elements configured for use in optical computing devices. One optical computing device includes a polarizer configured to generate at least x polarized light and y polarized light, a birefringent integrated computational element configured to optically interact with a substance and the polarizer, thereby generating optically interacted light, and at least one detector arranged to receive the optically interacted light and generate an output signal corresponding to a characteristic of the substance. | 10-01-2015 |
20150275627 | METHOD FOR DETERMINING RESIDUAL SURFACTANT CONCENTRATIONS IN PRODUCED WATER - A method is disclosed for determining a first concentration of a first component in an aqueous solution, the surface tension of which is altered by the presence of the first component. The method can include identifying a second concentration of at least one second component in the aqueous solution. The at least one second component can also after the surface tension of the aqueous solution. The method can further include comparing a plurality of dynamic surface tension measurements of each of a plurality of aqueous test solutions with at least one dynamic surface tension measurement of the aqueous solution to determine the first concentration. The plurality of aqueous test solutions can include the first component at a plurality of concentrations and the at least one second component at the second concentration. | 10-01-2015 |
20150275624 | WELLBORE ISOLATION DEVICES AND METHODS OF USE TO PREVENT PUMP OFFS - Disclosed is a downhole tool that includes a housing coupled to a wellbore isolation device, a tension-actuated valve arranged within the housing and having a first piston movably arranged within a first piston chamber, the first piston being coupled to a conveyance such that tension in the conveyance is transmitted to the first piston, wherein, when the tension in the conveyance is reduced, the first piston is moved within the first piston chamber such that wellbore fluids are able to enter the first piston chamber, and a pressure-actuated valve arranged within the housing and having a second piston movably arranged within a second piston chamber to place the second piston chamber in fluid communication with the first piston chamber, wherein a pressure drop across the downhole tool allows the second piston to move such that the wellbore fluids pass into the second piston chamber and through the wellbore isolation device. | 10-01-2015 |
20150275581 | Torque Transfer Mechanism for Downhole Drilling Tools - A well tool drilling tool can include a torque transfer mechanism with an inner mandrel, an outer housing, and at least one pawl which displaces radially and thereby selectively permits and prevents relative rotation between the inner mandrel and the outer housing. A drill string can include a drill bit, a drilling motor, and a torque transfer mechanism which permits rotation of the drill bit in only one direction relative to the drilling motor, the torque transfer mechanism including at least one pawl which displaces linearly and thereby prevents rotation of the drill bit in an opposite direction relative to the drilling motor. | 10-01-2015 |
20150275251 | METHODS OF BIOSYNTHESIZING BACTERIAL EXTRACELLULAR GALACTOMANNAN POLYSACCHARIDES AND SUBUNITS THEREOF FOR USE IN SUBTERRANEAN FORMATION OPERATIONS - Methods of biosynthesizing bacterial extracellular galactomannan polysaccharides for use in subterranean formation operations such as drilling operations, fracturing operations, or gravel packing operations including providing a feedstock comprising mannose and galactose; providing bacteria effective at fermenting mannose and galactose; introducing the bacteria to the feedstock; and fermenting the bacteria so as to produce an extracellular galactomannan polysaccharide. | 10-01-2015 |
20150268313 | Method and Device for Measuring a Magnetic Field - A system, method, and magnetic field sensor. The magnetic field sensor includes a strain gauge. The magnetic field sensor further includes one or more magnetostrictive layers disposed upon the strain gauge. The magnetostrictive layers are configured to cause a displacement of the strain gauge in response to sensing a magnetic field. The magnetic field sensor further includes logic connected to the strain gauge configured to determine a parameter of the magnetic field in response to sensing the magnetic field. | 09-24-2015 |
20150267529 | Eigen Mode Transmission of Signals - An apparatus includes a logging cable with exactly 3 conductors and an armor. A first transceiver is coupled to the three conductors and the armor of the logging cable. The first transceiver comprises a first-transceiver mode M | 09-24-2015 |
20150267508 | Expandable and Variable-Length Bullnose Assembly for Use With a Wellbore Deflector Assembly - A wellbore system is disclosed that includes an upper deflector arranged within a main bore of a wellbore and defining first and second channels, a lower deflector arranged within the main bore and spaced from the upper deflector by a predetermined distance and defining a first conduit exhibiting a predetermined diameter and communicating with a lower portion of the main bore and a second conduit that communicates with a lateral bore, and a bullnose assembly including a body and a bullnose tip arranged at a distal end of the body, the bullnose assembly being actuatable between a default configuration and an actuated configuration, wherein the upper and lower deflectors direct the bullnose assembly into one of the lateral bore and the lower portion of the main bore based on a length and a diameter of the bullnose tip as compared to the predetermined distance and the predetermined diameter, respectively. | 09-24-2015 |
20150267489 | Pressure and Flow Control in Drilling Operations - A well drilling system includes a flow control device regulating flow from a rig pump to a drill string, the flow control device being interconnected between the pump and a standpipe manifold, and another flow control device regulating flow through a line in communication with an annulus. Flow is simultaneously permitted through the flow control devices. A method of maintaining a desired bottom hole pressure includes dividing drilling fluid flow between a line in communication with a drill string interior and a line in communication with an annulus; the flow dividing step including permitting flow through a flow control device interconnected between a pump and a standpipe manifold. | 09-24-2015 |
20150267472 | DRILL BIT HAVING REGENERATIVE NANOFILMS - A system of repairing and protecting a surface of a drill bit includes forming a drill bit body that includes a magnetized material or is otherwise magnetizable. The drill bit includes at least one cutting element and is operable to generate a magnetic field. A drilling fluid that includes magnetizable, regenerative particles is circulated through a drill string and wellbore in which the drill bit is deployed. The magnetic field attracts the regenerative particles to the surface of the drill bit body to occupy cracks and chips formed in the surface of the drill bit body, and to form a protective layer of the regenerative particles over the surface of the drill bit body. | 09-24-2015 |
20150260872 | METHOD AND SYSTEM FOR REALTIME DETERMINATION OF FORMATION ANISOTROPY, DIP, AND STRIKE WITH MCI DATA - Method and system for improving the speed and accuracy of determining formation properties using multiple logging data are disclosed. Logging data relating to the formation of interest is obtained and used as an input. High frequency noise is then removed from the logging data and bed-boundary determination is performed using the logging data. An adaptive low pass filter is applied to the logging data and the logging data is inverted. The inverted logging data is then visually interpreted. | 09-17-2015 |
20150260703 | REAL TIME MEASUREMENT OF MUD LOGGING GAS ANALYSIS - Disclosed are systems and methods for measuring the gas content in drilling fluids in real time using optical computing devices. One system includes a flow path circulating a drilling fluid into and out of a borehole during drilling operations, a first optical computing device arranged at or near an outlet of the borehole and having a first integrated computational element configured to optically interact with the drilling fluid as it exits the borehole and generate a first output signal corresponding to a concentration of a gas present in the drilling fluid at the outlet of the borehole, and a signal processor communicably coupled to the first optical computing device and configured to receive the first output signal and determine the concentration of the gas present in the drilling fluid at the outlet of the borehole. | 09-17-2015 |
20150260669 | NON-CONTACT FLUID RESISTIVITY MEASUREMENT - According to aspects of the present disclosure, systems and methods for measuring fluid resistivity are described herein. An example system may include a non-conductive tube. The non-conductive tube may be filled with a fluid, such as a formation fluid or drilling fluid, whose resistivity needs to be determined. A transmitter may be disposed around an outer surface of the non-conductive tube. A first receiver may be disposed around the outer surface of the non-conductive tube, and a second receiver may be positioned within a bore of the non-conductive tube. The transmitter may generate a primary electromagnetic field in a fluid within the tube, which may in turn generate an eddy current and a secondary electromagnetic field. The first and second receivers may be used to identify the eddy current and the resistivity of the fluid. | 09-17-2015 |
20150260037 | Downhole Drilling Optimization Collar with Fiber Optics - A drilling optimization collar for use proximate a drilling tool within a wellbore includes a fiber optic sensor filament that is sized and configured to fit within a groove formed within the drilling optimization collar. The drilling optimization collar may be a pipe segment that is sized and configured to be installed in a drill string proximate the drilling tool, and may have a plurality of sensor elements. All or a portion of the sensor elements may be formed by discrete segments of the sensor filament, and as such, the sensor filament includes sensor elements that are configured to sense a condition of the wellbore and a load on the drilling optimization collar. | 09-17-2015 |
20150260030 | METHOD AND SYSTEM FOR TRACKING TIME IN A DOWNHOLE TOOL WITHOUT THE NEED FOR A BATTERY - Time is tracked in a downhole tool to indicate whether timestamps associated with data samples or events in a log indicate either real time or a duration of time since a certain reset, and to indicate whether the timestamps have been synchronized with a master clock in the tool. The log also records the time and offset of each synchronization event. A computer processes the log to convert all of the timestamps to real-time values and to indicate timestamps that have been estimated and timestamps that were never synchronized to a master clock in the tool. The computer determines an associated uncertainty for each of the estimated timestamps. | 09-17-2015 |
20150260021 | CHELATING AGENT-BASED SELF-DIVERTING ACIDIZING FLUIDS AND METHODS FELATING THERETO - Methods, compositions and systems relating to complexing-acidizing treatment fluids. Some methods include: providing or preparing a complexing-acidizing treatment fluid having an acid concentration of about 0.6 Molar, the complexing-acidizing treatment fluid including: an aminopolycarboxylic acid chelating agent, an aqueous base fluid, and an acid, placing the complexing-acidizing treatment fluid in a subterranean formation matrix penetrated by a well bore; allowing the acid to generate metal cations by dissolution of the subterranean formation matrix; reacting the aminopolycarboxylic acid chelating agent with the metal cations so as to form at least a plurality of aggregate blocking agents; and allowing the aggregate blocking agents to divert the complexing-acidizing treatment fluid to a main channel in the subterranean formation matrix that is distinct from a wormhole in the subterranean formation matrix. | 09-17-2015 |
20150260014 | DOWNHOLE POWER GENERATION USING A MUD OPERATED PULSER - The present disclosure relates to generating electricity downhole using a mud-operated pulser. A disclosed example embodiment of a mud pulser system includes a piston assembly movably disposed within a housing, comprising a power piston, and configured to move in response to a pressure from a fluid flow, a control valve having an open state, in which the power piston receives the fluid flow, and a closed state, in which the power piston does not receive the fluid flow, a magnet disposed on the housing or the piston assembly, and a coil disposed on the housing or the piston assembly, wherein the magnet is configured to displace relative to the coil in response to movement of the piston assembly within the housing, such that relative movement of the magnet and the coil generates electrical energy. | 09-17-2015 |
20150252657 | INJECTION WELL AND METHOD FOR DRILLING AND COMPLETION - Disclosed is a method and apparatus for completing an injection well, wherein the horizontally-extending portion of the well is drilled in a wave pattern. Injection and hydrocarbon recovery sections or alternatively spaced along the horizontally-extending portion and are isolated from each other by packers in the wellbore. The injection and hydrocarbon recovery sections are positioned at the opposed peaks of the wave pattern. | 09-10-2015 |
20150248502 | INTERACTIVE WELLBORE DESIGN MANAGEMENT - Implementations of computer-implemented methods, computer-readable media, and computer systems for interactive wellbore design management include displaying a well design including a wellbore profile representing a wellbore in a user interface. A first well component object is positioned at a first user interface position in the user interface. The first user interface position corresponds to a first well position of a first well component represented by the first well component object in the wellbore. A positioning of a second well component object at a second user interface position in the user interface is detected. The second user interface position corresponds to a second well position of a second well component represented by the second well component object in the wellbore. Using the well design, a compatibility of the second well component positioned at the second well position with the first well position of the first well component is determined. | 09-03-2015 |
20150247950 | SPATIAL HETERODYNE INTEGRATED COMPUTATIONAL ELEMENT (SH-ICE) SPECTROMETER - A spatial heterodyne spectrometer may employ an integrated computational element (ICE) to obtain a measure of one or more fluid properties without requiring any moving parts, making it particularly suitable for use in a downhole environment. One illustrative method embodiment includes: directing light from a light source to illuminate a sample; transforming light from the sample into spatial fringe patterns using a dispersive two-beam interferometer; adjusting a spectral weighting of the spatial fringe patterns using an integrated computation element (ICE); focusing spectral-weight-adjusted spatial fringe patterns into combined fringe intensities; detecting the combined fringe intensities; and deriving at least one property of the sample. | 09-03-2015 |
20150247402 | Cement Head Remote Control and Tracking - The present disclosure is related to wellbore servicing tools used in the oil and gas industry and, more particularly, to remote control tracking of cement head operations. A system of the present disclosure includes a control device, an onboard device operably connected to a mechanical device of a cement head, and a tracking device, wherein the control device is configured to transmit a user command indicator via (i) a first command signal to the onboard device and (ii) a second command signal to the tracking device, wherein the onboard device is configured to operate the mechanical device in response to the first command signal and transmit a status indicator of the cement head to the tracking device via a report signal, and wherein the tracking device is configured to record the user command indicator and the status indicator. | 09-03-2015 |
20150247399 | SYSTEM AND METHOD FOR DETERMINING DRILLING PARAMETERS BASED ON HYDRAULIC PRESSURE ASSOCIATED WITH A DIRECTIONAL DRILLING SYSTEM - A system and method for determining drilling parameters based on hydraulic pressure associated with a directional drilling system are disclosed. A drilling parameter associated with a directional drilling system may be determined by measuring hydraulic pressure associated with the directional drilling system during drilling of a wellbore, detecting a change in the hydraulic pressure, and determining a drilling parameter based on the detected change in hydraulic pressure. | 09-03-2015 |
20150247398 | SYSTEM AND METHOD FOR DETECTING VIBRATIONS USING AN OPTO-ANALYTICAL DEVICE - In one embodiment, a method includes drilling a wellbore in a formation with a drilling tool. The method further includes receiving electromagnetic radiation using an opto-analytical device coupled to the drilling tool. The method also includes detecting vibrations associated with drilling the wellbore based on the received electromagnetic radiation. | 09-03-2015 |
20150247397 | AUTOMATING DOWNHOLE DRILLING USING WELLBORE PROFILE ENERGY AND SHAPE - Disclosed are systems and method for automating downhole drilling based on the profile and energy of the wellbore being drilled. One method includes advancing a bottom hole assembly (BHA) within a subterranean formation and thereby forming a wellbore along an actual wellbore path, the BHA including a controller module, one or more sensors, and a steering assembly, taking survey measurements with the sensors at two or more survey stations along the actual wellbore path, comparing the survey measurements with data corresponding to a planned wellbore path, determining a return path based on minimum energy of the actual wellbore path when the actual wellbore path has deviated from the planned wellbore path, and conveying a corrective command signal to the steering assembly in order to reorient a trajectory of the actual wellbore path such that it returns to the planned wellbore path. | 09-03-2015 |
20150246299 | THREADED SAFETY CAP - Disclosed is a threaded safety cap for a high pressure, high temperature filter press. One disclosed filter press includes a cell having an open end, a cap configured to be threadably coupled to the open end and comprising a retaining ring defining a central orifice and a cap seal having a longitudinal extension configured to extend through the central orifice, one or more filtration components, and one or more seals, wherein, then the cap is threadably coupled to the cell, the cap secures the one or more seals and the one or more filtration components within the cell. | 09-03-2015 |
20150242411 | Data File Processing for a Well Job Data Archive - A method, system, and apparatus, including a program encoded on computer-readable medium, for detecting duplicate data files to be stored in a well job data archive includes identifying a well job data file for storage in a well job data archive and performing an initial duplicate check and a secondary duplicate check to determine if the well job data file is a duplicate of a data file stored in the well job data archive, as well as a quality assurance test of the file data. At least one of the well job data file or one or more of the data files stored in the well job data archive is identified as a duplicate data file based on the initial and secondary duplicate checks, and the well job data file is stored in the well job data archive in accordance with the initial and secondary duplicate checks and the identification of a duplicate data file. | 08-27-2015 |
20150241596 | System, Method and Computer-Program Product for In-Situ Calibration of a Wellbore Resistivity Logging Tool - In-situ calibration of a resistivity logging tool is accomplished using a variety of methods in which deep measurement signals are calibrated using acquired and simulated measurement signals. | 08-27-2015 |