| Entries |
| Document | Title | Date |
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| 20080257543 | PROCESS AND APPARATUS FOR ENHANCED HYDROCARBON RECOVERY - A method for recovering hydrocarbons from a reservoir includes separating air into a nitrogen-rich gas and an oxygen-rich gas, oxidizing a hydrocarbon fuel with at least part of the oxygen-rich gas to produce steam and a CO2-rich gas, injecting at least part of the steam through an injection well into the reservoir to heat the hydrocarbons, purging the injection well with at least part of the nitrogen-rich gas, and injecting at least part of the CO2-rich gas into the reservoir containing the heated hydrocarbons. | 10-23-2008 |
| 20080264630 | Method and Apparatus Suitable For Hole Cleaning During Operations - Apparatus for drilling operations in underground boreholes, comprises: a drilling assembly that can be located in a borehole and is moved along the borehole during the drilling operation; a flexible fluid supply line connected to and in fluid communication with the drilling assembly and extending from the drilling assembly to the surface when the drilling assembly is in the borehole; and an electric cable for providing electric power to the drilling assembly and extending from the drilling assembly to the surface when the drilling assembly is in the borehole; the fluid line and the electric cable are separate, and the electric cable being outside the fluid line. A method for conducting drilling operations using an apparatus as defined above, comprises operating the drilling assembly and directing fluid between the surface and the drilling assembly via the flexible fluid line. | 10-30-2008 |
| 20080308270 | Devices and Methods for Utilizing Pressure Variations as an Energy Source - The present disclosure relates to a pump mechanism driven by differential pressure conditions and method for delivery of materials. In one embodiment, the pump mechanism may be used to deliver treatment chemical to a plunger apparatus or directly to a wellbore by exploiting pressure conditions found at a well. In certain embodiments, the pump mechanism is able to balance high pressure conditions available within a petroleum formation against low pressure conditions present in a common flow line serving the well. In so balancing these pressures, the pump mechanism is able to automatically tune itself to the needs of the well, ensuring continued operation over a wider range of operating conditions. The pump mechanism has the further advantages of lower operation costs and less environmental impact as compared with existing pumps. The pump mechanism can be used in connection with a chemical applicator which can be used to apply chemical into, onto, or below, a plunger or plunger/dispenser apparatus used in plunger lift operations, or to apply chemical directly down the well. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b) | 12-18-2008 |
| 20090025929 | Apparatus for and Method of Deploying a Centralizer Installed on an Expandable Casing String - A method of and apparatus for deploying a bow spring centralizer installed on an expandable casing string and restrained in the collapsed configuration by restraining bands that rupture, upon expansion of the casing string, to deploy the bow spring centralizer and provide stand-off between the expanded casing string and the wall of the borehole. In one embodiment, the bow spring centralizer comprises landings for receiving and retaining the bands for restraining the centralizer in the collapsed configuration. In another embodiment, the bands are secured to the centralizer to prevent separation of the ruptured bands from the deployed centralizer. | 01-29-2009 |
| 20090025930 | CONTINUOUS FLOW DRILLING SYSTEMS AND METHODS - In one embodiment, a method for drilling a wellbore includes injecting drilling fluid into a top of a tubular string disposed in the wellbore at a first flow rate. The tubular string includes: a drill bit disposed on a bottom thereof, tubular joints connected together, a longitudinal bore therethrough, and a port through a wall thereof. The drilling fluid exits the drill bit and carries cuttings from the drill bit. The cuttings and drilling fluid (returns) flow to the surface via an annulus defined between the tubular string and the wellbore. The method further includes rotating the drill bit while injecting the drilling fluid; remotely removing a plug from the port, thereby opening the port; and injecting drilling fluid into the port at a second flow rate while adding a tubular joint or stand of joints to the tubular string. The injection of drilling fluid into the tubular string is continuously maintained between drilling and adding the joint or stand to the drill string. The method further includes remotely installing a plug into the port, thereby closing the port. The first and second flow rates may be substantially equal or different. | 01-29-2009 |
| 20090056934 | Interventionless multi-position frac tool - Fracturing tools for use in oil and gas wells are disclosed. The fracturing tools have a run-in position and two operational positions. A sleeve disposed in the bore of the fracturing tool comprises a sleeve port alignable with a first port in the housing of the frac tool, i.e., the first operational position, during fracturing operations. A second port having a restriction member is disposed in the housing and is closed by the sleeve during fracturing operations. After fracturing operations are completed, a return member in the frac tool moves the sleeve from the first operational position to a second operational position for production operations. In this second operational position, the first port is closed and the sleeve port is aligned with the second port. Movement of the sleeve from the first operational position to the second operational position is performed without the need for an additional well intervention step. | 03-05-2009 |
| 20090078409 | Method and Means for Providing Time Delay in Downhole Well Operations - The present invention relates to a means and method for providing hydraulic load compensated time delay in down-hole well operations. The means according to the invention is characterized in that it includes a piston stem ( | 03-26-2009 |
| 20090078410 | Aggregate Delivery Unit - A delivery unit for providing aggregate to a worksite, such as a wellsite location. The unit may include a mobile chassis for accommodating a plurality of modular containers which in turn house the aggregate. As such, a weight measurement device may be located between each container and the chassis so as to monitor aggregate levels within each container over time. The units may be particularly well suited for monitoring and controlling aggregate delivery during a fracturing operation at an oilfield. The modular containers may be of an interchangeable nature. Furthermore, a preferably wireless control device may be provided for monitoring and directing aggregate delivery from a relatively remote location. | 03-26-2009 |
| 20090151932 | Intelligent Electrical Power Distribution System - In one aspect of the present invention, a downhole tool assembly comprises electrical connectors disposed proximate an upper end and a lower end of the tool, switches to selectively allow or disallow electrical continuity between the electrical connectors, and a microprocessor in electrical communication with the electrical connectors and the switches. | 06-18-2009 |
| 20090159271 | Top drive systems for wellbore & drilling operations - A top drive system for wellbore operations, the top drive system in certain aspects including a main body, a motor (in certain aspects a salient pole motor), a motor apparatus, a motor shaft extending from the motor, a gear system driven by the motor shaft and interconnected with a drive shaft, the gear system driven by the motor apparatus so that driving the gear system drives the drive shaft, the gear system having a housing and a bearing retainer integral with the housing. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b). | 06-25-2009 |
| 20090166028 | Demulsification of Water-In-Oil Emulsion - A method of demulsifying a water-in-oil emulsion is provided. The method includes treating a volume of fluids comprising oil and water by adding a salt of a polynuclear, aromatic sulfonic acid to the fluids so as to cause the oil and water to be at least partially demulsified. The method may further include separating water and oil in a separator. A method of producing hydrocarbons from a subsurface reservoir is also provided. The hydrocarbons include a water-in-oil emulsion. The method includes producing the hydrocarbons through a wellbore, and subjecting the water-in-oil emulsion to a salt of a polynuclear, aromatic sulfonic acid additive so as to cause the oil and water to be at least partially demulsified. | 07-02-2009 |
| 20090183870 | APPARATUS AND METHOD - A switch mechanism is provided for inclusion in a downhole production string located in a wellbore. The switch mechanism includes an electrical power input and at least two electrical power outputs. In addition, the switch mechanism includes an actuator mechanism which is capable of being actuated from a position remote from the wellbore to selectively move between at least two positions. The movement thereby provides a selective electrical connection between the input and one of the outputs when the actuator is in one of the at least two positions. | 07-23-2009 |
| 20090218093 | Use of a Steel Composition for the Production of an Armouring Layer of a Flexible Pipe and the Flexible Pipe - The invention relates to a use of a duplex steel for the production of an armouring layer of a flexible pipe comprising at least one unbonded armouring layer and at least one unbonded sealing layer wherein the duplex steel comprises in weight percent
| 09-03-2009 |
| 20090242195 | Top Hold Down Rod Pump with Hydraulically Activated Drain and Method of Use - The present invention relates to a top hold-down pump having a barrel drain operatively connected to the pump beneath a seating nipple. The design of the pump provides specific advantages over past systems by improving the efficiency of re-setting the barrel drain and the required work over costs after the drain has been activated. | 10-01-2009 |
| 20090288819 | System and Method for Improving Operational Characteristics - A technique improves the operational characteristics of a well device while the device is used in a wellbore environment. The well device benefits from a unique material, in the form of a negative stiffness material or a negative Poisson's ratio material, positioned to improve the operational characteristics of the well device. The material can be located to reduce vibration and/or other detrimental effects that can interfere with operation of the well device. | 11-26-2009 |
| 20090321070 | Driver to Transmit Signals over a Transmission Line in a Well - An apparatus includes a transmission line for deployment in a well, and a driver to transmit signals over the transmission line. The driver includes a field-effect transistor, and an operational amplifier to control the field-effect transistor, where the operational amplifier and field-effect transistor cooperate to form a voltage-to-current converter. | 12-31-2009 |
| 20100025032 | METHODS AND SYSTEMS TO ACTIVATE DOWNHOLE TOOLS WITH LIGHT - The present invention comprises a system and methods to actuate downhole tools by transmitting an optical signal through an optical fiber to the downhole tool. The optical signal can comprise a specific optical signal frequency, signal, wavelength or intensity. The downhole tool can comprise packers, perforating guns, flow control valves, such as sleeve valves and ball valves, samplers, sensors, pumps, screens (such as to expand), chemical cutters, plugs, detonators, or nipples. | 02-04-2010 |
| 20100101781 | Coupling For Downhole Tools - Transferring rotary power between a first rotating member and a second rotating member may performed by using a first element associated with the first rotating member; and a second element associated with the second rotating member. The first element and the second element may be configured to rotate the first rotating member either substantially synchronously or non-synchronously with the second rotating member. A hysteresis material may be utilized in either or both of the first element and the second element. A modulator may be used to control a speed of the first element or the second element. | 04-29-2010 |
| 20100122811 | SYSTEMS AND METHODS FOR MITIGATING ANNULAR PRESSURE BUILDUP IN AN OIL OR GAS WELL - The present invention is generally directed to systems and methods for mitigating temperature-related pressure buildup in the trapped annulus of an oil or gas well, wherein such systems and methods employ production and/or tieback casing having one or more pressure mitigating chambers., and wherein such chambers make use of pistons, valves, and burst disks to mitigate pressure increases within the annulus. Such systems and methods can provide advantages over the prior art, particularly with respect to offshore wells. | 05-20-2010 |
| 20100126716 | Actuator For Downhole Tools - An apparatus, method, and system for actuating a wellbore tool includes a body having a chamber in which a movable member is disposed. The movable member may connect to a selected wellbore tool. Within the chamber is a controllable fluid that substantially prevents relative movement between the body and the movable member when exposed to an applied magnetic field. A generator applies the magnetic field to the fluid and may change the applied magnetic field in response to a first control signal to release the movable member from the body. A driver displaces the movable member relative to the body once the movable member is released from the body. | 05-27-2010 |
| 20100132939 | SYSTEM AND METHOD FOR PROVIDING A DOWNHOLE MECHANICAL ENERGY ABSORBER - A system and a method are disclosed for providing a downhole mechanical energy absorber that protects downhole tools from impact loads and shock loads that occur during run-in contacts, tool drops, perforating blasts, and other impact events. A continuous localized inelastic deformation of a tube is a primary energy absorber in a load limiting design of the downhole mechanical energy absorber. | 06-03-2010 |
| 20100175871 | Multi-Position Hydraulic Actuator - A method of actuating a well tool utilizing first and second pressure sources includes the steps of: placing an source, thereby displacing a piston from a first position to a second position; and then placing another chamber in communication with the second pressure source, thereby displacing the piston to a third position. A multi-position actuator includes an operating member which displaces to operate a well tool, a first position of the operating member corresponding to a pressure source being in communication with a chamber and another pressure source being in communication with another chamber, a second position of the operating member corresponding to the same pressure source being in communication with both of the chambers, and a third position of the operating member corresponding to the pressure sources being connected to the chambers oppositely to that of the first position. | 07-15-2010 |
| 20100206553 | Coated oil and gas well production devices - Provided are coated oil and gas well production devices and methods of making and using such coated devices. In one form, the coated oil and gas well production device includes an oil and gas well production device including one or more bodies, and a coating on at least a portion of the one or more bodies, wherein the coating is chosen from an amorphous alloy, a heat-treated electroless or electro plated based nickel-phosphorous composite with a phosphorous content greater than 12 wt %, graphite, MoS | 08-19-2010 |
| 20100206554 | POWER TRANSMISSION SYSTEM FOR USE WITH DOWNHOLE EQUIPMENT - A power transmission system for use with downhole equipment in a borehole includes a power source that is positioned at the surface providing a DC power supply, a downhole DC/DC converter and a two-conductor cable connecting the power source and the downhole DC/DC converter. The power transmission system receives the DC voltage supply as an input and provides an output DC supply at a different voltage to the DC power supply for provision to the downhole equipment. | 08-19-2010 |
| 20100258302 | Well Screen With Drainage Assembly - A well screen assembly has an elongate base pipe having apertures therein. A filtration layer resides around the base pipe. A drainage assembly resides between the base pipe and the filtration layer. The drainage assembly includes a plurality of elongate risers carried on a mesh. The drainage layer supports the filtration layer apart from the elongate base pipe and defines an elongate passage between the base pipe and the filtration layer that communicates fluid laterally through the drainage assembly. | 10-14-2010 |
| 20100258303 | ANNULUS MUD FLOW RATE MEASUREMENT WHILE DRILLING AND USE THEREOF TO DETECT WELL DYSFUNCTION - Methods and apparatus are described that combine a measurement of the physical velocity of material within the annulus of a well between the drill pipe and the wall of the well with a measurement of the area of the flow as determined from a measurement of distance between the drill pipe and the wall of the hole to determine the actual material volumetric flow rate. Changes in volumetric flow rate at one or more points along the well can be used to determine the occurrence and location of well dysfunctions. This knowledge can then be used to make decisions about treating well dysfunctions which will lead to more efficient use of drilling rig time. | 10-14-2010 |
| 20100263860 | System and Method to Provide Well Service Unit With Integrated Gas Delivery - A technique enables improved efficiency with respect to various coiled tubing and well servicing operations. The technique utilizes a combined mobile unit having several types of equipment combined into at least one transportable unit. The combined mobile unit may comprise a coiled tubing reel having coiled tubing, a well servicing system mounted to deliver material through the coiled tubing, and/or other well servicing components with the gas delivery system. The gas delivery system has a pressurized liquid gas vessel to deliver gas that can be used for well servicing operations, including purging material from coiled tubing. | 10-21-2010 |
| 20110011580 | WIRELESS TRANSFER OF POWER AND DATA BETWEEN A MOTHER WELLBORE AND A LATERAL WELLBORE - A technique enables wireless communication of signals in a well. The technique is employed for communication of power signals and/or data signals between a mother wellbore and at least one lateral wellbore. A first wireless device is positioned in a mother wellbore proximate a lateral wellbore, and a second wireless device is positioned in the lateral wellbore. The power and/or data signal is transferred wirelessly between the first and second wireless devices via magnetic fields. A plurality of the first and second wireless devices may be employed in cooperating pairs to enable communication between the mother wellbore and a plurality of lateral wellbores. | 01-20-2011 |
| 20110042069 | Coated sleeved oil and gas well production devices - Provided are coated sleeved oil and gas well production devices and methods of making and using such coated sleeved devices. In one form, the coated sleeved oil and gas well production device includes an oil and gas well production device including one or more bodies and one or more sleeves proximal to the outer or inner surface of the one or more bodies, and a coating on at least a portion of the inner sleeve surface, outer sleeve surface, or a combination thereof, wherein the coating is chosen from an amorphous alloy, a heat-treated electroless or electro plated based nickel-phosphorous composite with a phosphorous content greater than 12 wt %, graphite, MoS | 02-24-2011 |
| 20110100622 | Top Drive Systems for Wellbore & Drilling Operations - A top drive system for wellbore operations and method for facilitating rotation thereof. The system includes a main body and a motor, preferably a salient pole motor. A motor shaft extends from the motor and a gear system is driven by the shaft and interconnected with a drive shaft. The gear system has a housing and a bearing retainer integral with the housing and is driven by the motor apparatus so that driving the gear system drives the drive shaft. | 05-05-2011 |
| 20110203791 | COATED SLEEVED OIL AND GAS WELL PRODUCTION DEVICES - Provided are coated sleeved oil and gas well production devices and methods of making and using such coated sleeved devices. In one form, the coated sleeved oil and gas well production device includes one or more cylindrical bodies, one or more sleeves proximal to the outer diameter or inner diameter of the one or more cylindrical bodies, hardbanding on at least a portion of the exposed outer surface, exposed inner surface, or a combination of both exposed outer or inner surface of the one or more sleeves, and a coating on at least a portion of the inner sleeve surface, the outer sleeve surface, or a combination thereof of the one or more sleeves. The coating includes one or more ultra-low friction layers, and one or more buttering layers interposed between the hardbanding and the ultra-low friction coating. The coated sleeved oil and gas well production devices may provide for reduced friction, wear, erosion, corrosion, and deposits for well construction, completion and production of oil and gas. | 08-25-2011 |
| 20110220348 | Coated Oil and Gas Well Production Devices - Provided are coated oil and gas well production devices and methods of making and using such coated devices. In one form, the coated device includes one or more cylindrical bodies, hardbanding on at least a portion of the exposed outer surface, exposed inner surface, or a combination of both exposed outer or inner surface of the one or more cylindrical bodies, and a coating on at least a portion of the inner surface, the outer surface, or a combination thereof of the one or more cylindrical bodies. The coating includes one or more ultra-low friction layers, and one or more buttering layers interposed between the hardbanding and the ultra-low friction coating. The coated oil and gas well production devices may provide for reduced friction, wear, erosion, corrosion, and deposits for well construction, completion and production of oil and gas. | 09-15-2011 |
| 20120012307 | METHOD FOR REMOVING CONTAMINANTS FROM WASTEWATER IN HYDRAULIC FRACTURING PROCESS - The method begins drilling a borehole from the surface to an underground shale matrix. A pipe is inserted into the borehole. Openings are created in the pipe in fluid communication with fractures in the shale matrix. The interior surface of at least one section of pipe is coated with a contaminant-capturing substance. Fracturing fluid including water, proppants and various chemicals is pumped through the pipe and into the fractures in the shale matrix. The fluid re-enters the pipe from the shale matrix and moves toward the surface through the coated pipe section where contaminants are sequestered by the coating. Natural gas or oil from the fractured shale then enters the pipe and moves to the surface to be collected. The coated pipe section remains in the ground permanently such that the necessity of disposing of the captured contaminants is eliminated. Alternatively, the contaminant-capturing substance can be coated onto the proppants which remain lodged in the fractures in the shale matrix. The method can also be used in situations not involving gas or oil recovery, such as removing contaminants from the cooling system of a nuclear reactor. | 01-19-2012 |
| 20120018146 | WEAR-RESISTANT SEPARATING DEVICE FOR REMOVING SAND AND ROCK PARTICLES - The subject matter of the invention is a separating device for removing sand and rock particles which is suitable as an integral component part of extraction equipment for the extraction of liquids or gases from deep wells, the separating device comprising at least one ceramic filter module ( | 01-26-2012 |
| 20120312528 | Junction Box to Secure and Electronically Connect Downhole Tools - A junction box is disclosed. The junction box is made of a body member defining a first port and a second port, the first port adapted to receive a first portion of a first downhole tool, and the second port adapted to receive a second portion of a second downhole tool, the body member defining an electric chamber intersecting the first port and the second port within the body member; a first mechanical connection on the first port for securing the first downhole tool; a second mechanical connection on the second port for securing the second downhole tool; a first electric connector installed on the first port; a second electric connector installed on the second port; and electric wiring positioned within the electric chamber and connected to the first electric connector and the second electric connector to couple the first electric connector and the second electric connector. | 12-13-2012 |
| 20130037260 | Systems and Methods for Downhole Communications Using Power Cycling - Systems and methods for using power cycle events to cause a downhole tool to change its operational state and/or transmit a data stream to the downhole tool. In one embodiment, a tool such as a gauge for an ESP is positioned downhole in a well and is configured to receive power from a control unit at the surface of the well. The control unit power cycles the downhole tool to communicate a need to modify the operational state of the tool. The tool may include a non-volatile memory to store an indicator of the tool's current operational state. When the tool is power cycled, the operational state is modified and the indicator is updated. The power cycling may cause the tool to increment through available operational states, or the timing of the power cycles may convey parameters or other operating information to the downhole tool. | 02-14-2013 |
| 20130037261 | SYSTEM AND METHOD FOR REDUCTION OF AN EFFECT OF A TUBE WAVE - A tube wave reduction system for a borehole includes a tubular member; one or more openings in the tubular member, the one or more openings having a through-passage and a deformation region surrounding the through-passage; and an absorber in fluid communication with the one or more openings. Also included is a method for reducing an effect of a tube wave | 02-14-2013 |
| 20130043022 | DOWNHOLE PULSE-GENERATING APPARATUS - A downhole apparatus including a pressure pulse generator and a pulse reflector is provided. The pulse reflector reflects at least a portion of an incident pressure pulse from the generator as a reflected pressure pulse. The apparatus is configured to provide the reflected pressure pulse with a phase shift with respect to the incident pressure pulse. A method of transmitting pressure pulses downhole by generating a pressure pulse and reflecting at least a portion of an incident pressure pulse at a pulse reflector as a reflected pressure pulse is also provided. A phase shift of the reflected pressure pulse with respect to the incident pressure pulse is controlled. | 02-21-2013 |
| 20130048274 | VARIABLE FREQUENCY FLUID OSCILLATORS FOR USE WITH A SUBTERRANEAN WELL - A well tool can include an oscillator which varies a flow rate of fluid through the oscillator, and another oscillator which varies a frequency of discharge of the fluid received from the first oscillator. A method can include flowing a fluid through an oscillator, thereby repeatedly varying a flow rate of fluid discharged from the oscillator, and receiving the fluid from the first oscillator into a second oscillator. A well tool can include an oscillator including a vortex chamber, and another oscillator which receives fluid flowed through the vortex chamber. | 02-28-2013 |
| 20130112401 | DOWNHOLE ELECTRICAL ENERGY CONVERSION AND GENERATION - Procedures and devices are described for electric energy generation from electrochemical use of substances for powering downhole devices. According to some other embodiments procedures and devices are described for electric energy generation from nuclear decay for powering downhole devices. According to some embodiments, the types of devices being powered are untethered or otherwise cannot benefit from direct power transmission from the surface. Examples of devices include small devices in downhole environments. Other examples of devices are sensors and other hardware such as flow control valves installed during completion. According to one example permanent and/or semi-permanent monitoring sensors make use of the energy generation techniques described herein. | 05-09-2013 |
| 20130118730 | DOWNHOLE TOOLS INCLUDING ANOMALOUS STRENGTHENING MATERIALS AND RELATED METHODS - Downhole tools for use in wellbores in subterranean formations comprise a body comprising at least one anomalous strengthening material. Methods of forming downhole tools for use in wellbores in subterranean formations comprise forming a body comprising at least one anomalous strengthening material. Methods of using downhole tools in wellbores in subterranean formations comprise disposing a body comprising at least one anomalous strengthening material in a wellbore in a subterranean formation. The at least one anomalous strengthening material may be exposed to a temperature within the wellbore higher than a temperature at a surface of the subterranean formation and a yield strength of the at least one anomalous strengthening material may increase. | 05-16-2013 |
| 20130146279 | SYSTEM AND METHOD FOR BOREHOLE COMMUNICATION - A method and an apparatus for communicating between a tool and a surface of a subterranean formation including a signal generator configured to send a signal through the formation, a relay in communication with the generator, and a receiver in communication with the relay. A method and an apparatus for communicating between a tool and a surface of a subterranean formation including sending a signal from a generator configured to send a signal through a formation, receiving the signal at a relay, sending a second signal from the relay, and receiving the second signal at a receiver. | 06-13-2013 |
| 20130186617 | CORROSION MANAGEMENT SYSTEMS FOR VERTICALLY ORIENTED STRUCTURES - Corrosion management systems protecting against or managing corrosion of various components in generally vertically oriented structures, that can be located one or more of aboveground and underground. The corrosion management system includes a dispenser system that dispenses at least one corrosion inhibitor to the structure desired to be protected at a plurality of different vertical heights. | 07-25-2013 |
| 20130248169 | Environmentally Powered Transmitter for Location Identification of Wellbores - A method, apparatus and system for performing an operation in a borehole is disclosed. A device is disposed in a downhole environment of the borehole to perform the downhole operation. An energy harvesting unit coupled to the device harvests energy from an energy source in a downhole environment of the device and provides the harvested energy to the device to perform the downhole operation. | 09-26-2013 |
| 20130264051 | WELL TOOLS SELECTIVELY RESPONSIVE TO MAGNETIC PATTERNS - A system for use with a subterranean well can include a magnetic sensor, a magnetic device which propagates a magnetic field to the magnetic sensor, and a barrier positioned between the magnetic sensor and the magnetic device. The barrier can comprise a relatively low magnetic permeability material. A method of isolating a magnetic sensor from a magnetic device in a subterranean well can include separating the magnetic sensor from the magnetic device with a barrier interposed between the magnetic sensor and the magnetic device, the barrier comprising a relatively low magnetic permeability material. A well tool can include a housing having a flow passage formed through the housing, a magnetic sensor in the housing, and a barrier which separates the magnetic sensor from the flow passage, the barrier having a lower magnetic permeability as compared to the housing. | 10-10-2013 |
| 20130284428 | FLUID DRIVEN PUMP FOR REMOVING DEBRIS FROM A WELLBORE AND METHODS OF USING SAME - A downhole tool for moving fluid through the tool comprises a rotatable sleeve disposed within a bore of the tool. The sleeve includes an opened upper end and a closed lower end to define a cavity. A fluid movement profile is disposed along the lower end. A directional port is disposed in the side of the sleeve in fluid communication with the cavity and an upper port disposed in the tool. The upper port can be isolated from a lower port in the tool, the lower port being in fluid communication with the fluid movement profile. A first fluid flowing downward enters the cavity, exits the directional port causing rotation of the sleeve, and flows out the tool through the upper port. Sleeve rotation causes a second fluid to be drawn upward into contact with the fluid movement profile which directs the second fluid out of the lower port. | 10-31-2013 |
| 20130299162 | CHECK VALVE - The present invention provides a check valve comprising a valve housing ( | 11-14-2013 |
| 20130341007 | Wireless downhole tool positioning control - For a free falling well tool sub having one or more pipe bore centering cages, a collapsible material cone secured inside of the centering cage half length with the cone base opening in the downhole direction restricts the rate of pipe bore fluid flow past the cone and thereby restricts the descent rate of the tool. The rate of descent may be regulated with fluid flow by-pass apertures in the sub. A collapsible material cone in a bore centering cage having a base opening in the up-hole direction may be used as piston to drive the tool sub along horizontal segments of a deviated well bore. Both cones may be used separately or together. | 12-26-2013 |
| 20140048253 | HIGH OUTPUT, RADIAL ENGINE-POWERED, ROAD-TRANSPORTABLE APPARATUS USED IN ON-SITE OIL AND GAS OPERATIONS - A transportable process platform is provided for maximizing process operations therefrom without exceeding transport weight requirement. Each platform supports a power unit comprising a driven component coupled to a lightweight radial engine. The radial engine is configurable with one or more supplemental cylinder rows to increase the power output to match the power demand of the driven equipment. The lightweight engine maximizes the power demand of the driven component until the weight of the power unit approaches the maximum payload weight of the platform. Operations requiring greater capacity that that provided by one platform only benefit from a minimum number of platforms, each having maximized power capacity. | 02-20-2014 |
| 20140060818 | METHOD OF ANALYSIS OF POLYMERIZABLE MONOMERIC SPECIES IN A COMPLEX MIXTURE - Method of selective quantitation of a polymerizable monomeric species in a well spacer fluid, said method comprising the steps of adding at least one solvent having a refractive index of less than about 1.33 to a sample of the complex mixture to produce a solvent phase, and measuring the refractive index of the solvent phase. | 03-06-2014 |
| 20140076541 | Gas Guzzler - A device and methods for directing hazardous gases away from a the portion of the pipe that is emitting the gases wherein the device includes a split column having a first opening and a second opening at opposing ends of the split column, the split column further including a split that passes through the tubular section and that extends from the first opening to the second opening and a third opening in the split column that is located between the first opening and the second opening. | 03-20-2014 |
| 20140102691 | METHOD OF DRILLING AND OPERATING AN OIL OR GAS WELL, A METHOD OF PREVENTING OR MINIMIZING CONTAMINATION TO THE SOIL ABOUT AN OIL OR GAS WELL, USING A KIT TO INSTALL, AN IMPERVIOUS AND REUSABLE LINER AND APPARATUS THEREFOR - A method of preventing or minimizing contamination to the soil about an oil or gas well, using a kit to install, an impervious and reusable liner and apparatus therefor. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b). As stated in 37 C.F.R. §1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading “Abstract of the Disclosure.” The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner. | 04-17-2014 |
| 20140110102 | PASSIVE DOWNHOLE CHEMICAL RELEASE PACKAGES - An apparatus for releasing chemical agents in a well bore, comprising: a packaging material; a chemical agent, wherein the chemical agent is contained within the packaging material; and an adhesive, wherein the adhesive is attached to the packaging material and associated methods. | 04-24-2014 |
| 20140209297 | Autonomous Inflow Control Device Having a Surface Coating - An autonomous inflow control system for use downhole comprises a flow ratio control system comprising one or more fluid inlets, and a pathway dependent resistance system comprising a vortex chamber. The one or more fluid inlets provide fluid communication between the flow ratio control system and the pathway dependent resistance system, and at least one of the one or more fluid inlets comprises a super hydrophobic surface. | 07-31-2014 |
| 20140238662 | MITIGATION OF DOWNHOLE COMPONENT VIBRATION USING ELECTROMAGNETIC VIBRATION REDUCTION - An apparatus for reducing vibration in a downhole component includes: an electrically conductive auxiliary mass attached to the component and configured to vibrate in a direction corresponding to a direction of downhole component vibration and absorb a portion of the downhole component vibration; and a magnetic component configured to generate a magnetic field through the auxiliary mass having a direction at least partially perpendicular to the direction of auxiliary mass vibration, the magnetic field configured to induce a current in the auxiliary mass in response to auxiliary mass vibration. The apparatus has an auxiliary mass vibration frequency tuned relative to a selected natural vibration frequency of the downhole component to reduce vibration of the downhole component, the auxiliary mass vibration frequency based on a magnetic stiffness of the auxiliary mass, the magnetic stiffness based on a strength of the magnetic field and/or a resistance of the auxiliary mass. | 08-28-2014 |
| 20140262218 | Apparatus and Method for Generating Power Downhole and Using Same For Performing a Downhole Operation - In one aspect, a wellbore system is disclosed that in one embodiment may include a coil in the wellbore, a magnetic element conveyed from a surface location configured to oscillate or rotate in an opening in the coil to generate electrical energy, and a device in the wellbore that utilizes the generated electrical energy. | 09-18-2014 |
| 20140262219 | DUAL UNDERGROUND TUNNEL SYSTEM FOR HYDROCARBON EXPLOITATION - A system for recovering hydrocarbons from a subterranean formation includes an upper tunnel extending through the formation. In addition, the system includes a lower tunnel extending through the formation below a portion of the upper tunnel. Further, the system includes a plurality of conduits extending from the upper tunnel through the formation to the lower tunnel. Still further, the system includes a plurality of wellbores extending from the lower tunnel into a hydrocarbon-bearing portion of the formation. | 09-18-2014 |
| 20140367086 | APPARATUS AND METHOD FOR STORING CORE SAMPLES AT HIGH PRESSURE - A sampling tool to sample core samples from a wellbore is disclosed. A core sampling storage module includes a pressure housing to store a plurality of core samples, a core tube within the pressure housing, the core tube to store a plurality of core samples drilled from a downhole formation, a pressure housing cover that is configured to be selectively rotated to an open position or a closed position, an activation mechanism to receive a command, and based on the command, open or close the pressure housing cover, a push rod to selectively install a plug to cover the core tube, wherein when the plug is installed the pressure housing maintains a pressure. | 12-18-2014 |
| 20140374088 | HYBRID BATTERY FOR HIGH TEMPERATURE APPLICATIONS - An apparatus for supplying power at the surface and in a wellbore may include a downhole tool conveyed into the wellbore and a battery bank conveyed by the downhole tool. The battery bank may include a plurality of battery cells, wherein at least two cells of the plurality of battery cells have substantially different power responses to a change in an ambient temperature at the downhole tool. | 12-25-2014 |
| 20150034302 | CASING FILLING TOOL - Present embodiments are directed to a tubular filling tool. In certain embodiments, the tubular filling tool includes a conductor pipe configured to receive a filling fluid flow from a top drive and a diffuser block communicatively coupled to the conductor pipe and configured to receive the filling fluid flow from the conductor pipe, wherein the diffuser block comprises a plurality of fluid passages extending to external passages formed in an outer diameter of the diffuser block and configured to facilitate passage of the filling fluid flow to the external passages from within the diffuser block, wherein the external passages are configured to generate a swirl flow pattern in the filling fluid flow during a tubular filling process. | 02-05-2015 |
| 20150083397 | METHOD OF INHIBITING FOULING ON A METALLIC SURFACE USING A SURFACE MODIFYING TREATMENT AGENT - Fouling caused by contaminants onto a metallic tubular, flow conduit or vessel in an underground reservoir or extending from or to an underground reservoir may be inhibited by applying onto the surface of the metallic tubular, flow conduit or vessel a treatment agent comprising a hydrophobic tail and an anchor. The anchor attaches the treatment agent onto the surface of the metallic tubular, flow conduit or vessel. | 03-26-2015 |
| 20150096744 | POWER SUPPLY FOR WIRED PIPE WITH RECHARGEABLE ENERGY STORAGE - A power supply for a wired pipe system is provided. The power supply includes energy storage capabilities, and provides for operation in high temperature environments. | 04-09-2015 |
| 20150107824 | POWER SYSTEM FOR DOWNHOLE TOOLSTRING - A downhole power system is provided that includes an energy storage adapted to operate at high temperatures, and a modular signal interface device that serves to control the energy storage component as well as offer a means of data logging at high temperatures. The controller is fabricated from pre-assembled components that may be selected for various combinations to provide desired functionality. The energy storage may include at least one ultracapacitor. | 04-23-2015 |
| 20150122485 | AQUEOUS SOLUTION AND METHOD FOR USE THEREOF - Oilfield treatment compositions contain water, hydrochloric acid at a concentration between 15 wt % and 45.7 wt % and a first and second fixing agent. The first fixing agent comprises urea, a urea derivative or both. The second fixing agent may be a mixture or amines and alcohols. These compositions provide corrosion inhibition when exposed to steel. The compositions may also contain an inhibitor aid. | 05-07-2015 |
| 20150144330 | SUBTERRANEAN FORMATION METHODS AND APPARATUS - A method is for use with subterranean formations, such as oil and/or gas reservoirs. In some examples (e.g., production examples), the method improves the production from that formation. Some of the examples of the method describe selecting both an exertive force (e.g., a pressure) to apply at a wellbore, but together with a drawdown pressure at the wellbore to modify operations (e.g., improve production) at that subterranean formation. The selection of one or both of the exertive force and drawdown pressure may be based on the downhole environment at that wellbore, which can include the porosity and/or permeability of a near-wellbore formation radially surrounding a wellbore. The exertive force and drawdown pressure may be specifically selected to modify the porosity and/or permeability of the near-wellbore formation. | 05-28-2015 |
| 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 |
| 20150308235 | APPARATUS AND METHOD FOR SUPPLYING ELECTRICAL POWER TO AN ELECTROCRUSHING DRILL - An apparatus and method for controlling power delivered to a pulsed power system which includes a command charge switch for controlling when power produced by a primary power system is fed into a cable. The command charge switch also controls the power delivered to the pulsed power system in a bottom hole assembly. | 10-29-2015 |
| 20150308256 | REDUCING AXIAL WAVE REFLECTIONS AND IDENTIFYING STICKING IN WIRELINE CABLES - Techniques are described for axial vibration control of wireline tools and cables during logging operations. In undesirable cases the axial vibrations may lead to or exasperate the stick-slip problems of the logging tool. Control systems and strategies to minimize vibrations are described. Techniques are also described for identifying and inhibiting the sticking of the cable. A described system includes a surface actuator and a sensor. The actuator generates an axial wave on the wireline cable which travels down the cable. If there is sticking of the cable, a reflection can also occur at the location of sticking. This shift in the transmission of the wave on the wireline cable is used to identify the onset and/or presence of sticking. | 10-29-2015 |
| 20150330161 | INJECTOR HEAD FOR COILED TUBING SYSTEMS - An injector head used in coiled tubing systems including at least two opposed counter-rotating chain loops having a first end and a second end, the chain loops having a chain. The injector head further includes a fixed drive sprocket disposed at the first end of a chain loop and a floating sprocket disposed at the second end of the chain loop. In the injector head, there is a force applied to the floating bottom sprocket to maintain the chain loop at a desired chain tension. Additionally, the injector head includes a tension cylinder that automatically maintains the chain loop at the desired chain tension. | 11-19-2015 |
| 20150345237 | Rotating Control Device Radial Seal Protection - The exemplary embodiments relate to apparatus and methods for increasing the longevity of an RCD at a wellbore, including a bearing assembly configured for operating in the RCD. The bearing assembly is configured for reducing pressure proximate the bearing assembly including reducing pressure in a radial seal. Top and bottom seals are mounted against a wear sleeve adjacent to an inner member housed within the bearing assembly. The wear sleeve is configured to be sealed by the top seal and the bottom seal as the inner member rotates in the RCD. A pressure reduction system mounted with the RCD is configured to apply pressure via a wellbore pressure between the top seal and the bottom seal, which is lower relative to a pressure above the top seal, and which is higher relative to a pressure below the bottom seal. | 12-03-2015 |
| 20150345255 | DISSOLVABLE SIEVE, PARTICULATE TOLERANT SYSTEM AND METHOD OF PROTECTING A TOOL FROM PARTICULATE - A dissolvable sieve includes a body that is permeable to fluid flow therethrough constructed of a material configured to dissolve in a target environment. | 12-03-2015 |
| 20150354309 | METHOD FOR INCREASING SUBSEA ACCUMULATOR VOLUME - In a subsea system where subsea devices are operated using a pressurized fluid from one or more accumulators, the method of providing flow of pressurized fluid to operate a device which is greater than the flow from an accumulator providing the flow, comprising discharging the accumulator to drive one or more motors, driving one or more pumps by the one or more motors, the one or more pumps having a larger displacement than the one or more motors such that the one or more pump outputs a greater volume of fluid than the motor consumes, and delivering the output of the one or more pumps to operated the subsea device. | 12-10-2015 |
| 20150354322 | MODULAR HYBRID LOW EMISSIONS POWER FOR HYDROCARBON EXTRACTION - A system for supplying electric power includes: a plurality of electric motors coupled to well treatment pumps; a mobile substation that receives power from a utility electric grid; a plurality of mobile electric power generating units; a controller configured to (i) receive a total required flow rate of the liquid; (ii) calculate a total amount of electric power required to achieve the required total flow rate; (iii) receive an amount of power available from the utility electric grid; (iv) direct the substation to provide electric power to the plurality of electric motors; and (v), direct one or more electric power generating units in the plurality of electric power generating units to provide electric power to the plurality of electric motors according to a priority order to meet the total amount of electric power, if the required amount of electric power exceeds the amount of power available from the utility grid. | 12-10-2015 |
| 20150361780 | Logging While Drilling Electrical Imager and Method for Measurement in Oil Based Mud - A method and apparatus for generating a borehole image by firing a signal in the direction of a borehole formation using at least one transmitter in a horizontal array, firing a signal in the direction of the borehole formation using at least one transmitter in a vertical array, where the fired signals engage the downhole formation, receiving signals associated with the transmitted signals after the fired signals have engaged the formation, and using the received signals to determine one or more vertical and horizontal formation parameters for generating an omni-directional image using the formation parameters. | 12-17-2015 |
| 20150369017 | EXPLORATION DRILLING SYSTEM AND METHOD FOR SUPPLYING POWER THERETO - A drilling system, comprising: a plurality of drilling drive systems; a fracturing drive system; a centralized power supply system electrically coupled to said drilling drive systems and said fracturing drive system to supply power thereto; and a plurality of distributed power supply systems electrically coupled to said drilling drive systems to supply additional power thereto during peak loading of a respective one of the plurality of drilling drive systems. | 12-24-2015 |
| 20160003006 | Tool for Unseizing and Lubricating Well Valves, and Method of Unseizing Said Valves - A tool for unseizing and/or lubricating a valve having a protruding valve stein on an exterior periphery. The tool possesses a hollow tubular member, having at one end thereof an open, hollow, cylindrical flexible member adapted to be placed over and contain therewithin a portion of the valve stem. A circumferential tightening member, encircling one end of the flexible member, is provided, to permit the flexible member to sealingly engage the valve stem about the outer periphery thereof when the flexible member is placed over the valve stem. The tool further possesses a fluid inlet port, situated along a length of the tubular member, in fluid communication with an interior of the tubular member, and a pressurized fluid inlet port likewise in fluid communication with the interior of the tool. A method for un-seizing and/or lubricating such valve, making use of the above tool, is further disclosed and claimed. | 01-07-2016 |
| 20160032686 | Downhole Arrangement - A downhole arrangement ( | 02-04-2016 |
| 20160040500 | VARIABLE RATIO ROTARY ENERGY CONTROL DEVICE FOR A BLOWOUT PREVENTER SAFETY DEVICE - A method and apparatus for activating a safety device of a blowout preventer utilizes a variable ratio rotary energy controller. The controller automatically adjusts the pressure of the fluid for activating the safety device thereby conserving the amount of energy required for each activating cycle. The controller includes a variable displacement hydraulic motor coupled to a variable displacement hydraulic pump. A system for recharging the activating fluid circuit allows for the actuating system to be reused as needed. | 02-11-2016 |
| 20160040508 | Catching Apparatus - A downhole catching apparatus ( | 02-11-2016 |
| 20160040509 | Electro-Mechanical-Hydraulic Instrument Bus - A downhole string having a series of downhole tools, where the tools are powered by different energy sources. The different energy sources include electrical, hydraulic, and mechanical. Connections between adjacent downhole tools provide for electrical, hydraulic, and mechanical communication between adjacent tools. Thus energy in one part of the downhole string can be converted into another form of energy and communicated for use in another part of the downhole string. | 02-11-2016 |
| 20160040511 | PRESSURE EXCHANGER SYSTEM WITH INTEGRAL PRESSURE BALANCING SYSTEM - A system includes a rotary isobaric pressure exchanger (IPX) configured to exchange pressures between a first fluid and second fluid. The rotary IPX includes a first end cover including a first fluid aperture configured to route the first fluid. The rotary IPX also includes a first piston integral with the first end cover. The first piston includes a first hydraulic path configured to route the first fluid to or from the first fluid aperture. | 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 |
| 20160053588 | ELECTRICAL GENERATOR AND ELECTRIC MOTOR FOR DOWNHOLE DRILLING EQUIPMENT - An electrical generator positionable downhole in a well bore includes a tubular housing having a first longitudinal end and a second longitudinal end, the housing having an internal passageway with a plurality of layers. The layers comprise at least a first protective layer, a second protective layer, and an electrically conductive layer positioned between the first and second protective layers. The layers define an internal cavity. A shaft with magnetic inserts is movably positioned in the internal cavity. Electrical current is generated when the shaft is moved. Alternatively, the device may be supplied with electrical power and used as a downhole motor. | 02-25-2016 |
| 20160069166 | DOWNHOLE TOOL CAPABLE OF WITHSTANDING HIGH TEMPERATURES - The present invention relates to a downhole wireline tool for performing an operation in a well at a depth of up to 15 km downhole, the tool being powered by direct current at a predetermined voltage in a first end by a power supply unit which is configured to provide a specific steady-state voltage selected from a plurality of predetermined voltages, comprising an electrical motor being powered by alternating current, a frequency converter arranged between the first end and the motor, and a voltage peak reduction unit adapted to reduce the steady-state voltage of the selected power supplied to the frequency converter from the power supply, the voltage peak reduction unit comprising a capacitor, wherein the capacitor is a high temperature capacitor having a dielectric comprising a material capable of resisting a temperature above 150° C. Furthermore, the present invention relates to a downhole tool string and to a method of protecting a frequency converter from peaks of voltage in power supplied to the frequency converter in a downhole tool according to the present invention. | 03-10-2016 |
| 20160084043 | DOWNHOLE ENERGY STORAGE AND CONVERSION - Energy may be stored, converted, and generated during a drilling operation. An example method includes receiving fluid energy from a flow of drilling fluid ( | 03-24-2016 |
| 20160090809 | Scissor-Mechanism Closing Rams of Blow Out Preventors - A ram closing assembly for a blowout preventor has a main central bore and a radial bore normal to the main central bore and includes a ram body having a rotational pin proximate to an inner end. A pair of ram arm assemblies are located on opposite sides of the ram body. The ram arm assemblies have a shaped end and an elbow end. A rotating ram is pivotally connected to the rotational pin and to the elbow end of one of the ram arm assemblies. A ram actuator is movable relative to the ram body, to move the pair of ram arm assemblies to pivot the rotating rams about the rotational pin to a closed position. | 03-31-2016 |
| 20160090819 | Downhole Power Generation System And Method - A downhole power generation system includes a tubular power generation device configured to be disposed in an annular space around a portion of a production tubing, wherein the power generation device is switchable between a power generation mode and a bypass mode. The system also includes a power storage device electrically coupled to the tubular power generation device and configured to store power generated by the power generation device. The power generation device comprises at least one power generation path and at least one bypass path. The at least one power generation path comprises at least one power generation mechanism which generates power when traversed by fluid. The at least one power generation path is open in the power generation mode and closed in the bypass mode. | 03-31-2016 |
| 20160090820 | System and Method for Autonomous Downhole Power Generation - An autonomous downhole power generation system includes a power generation device configured to be disposed in an annular space around a portion of a production tubing, wherein the power generation device is switchable between a power generation mode and a bypass mode. The system further includes a power storage device electrically coupled to the power generation device and configured to store power generated by the power generation device. The system also includes a control processor communicatively coupled to the power storage device and the power generation device, wherein the control processor receives a measure of power stored in the power storage device and switches the power generation device between the power generation mode and the bypass mode based on the measure of power or an preprogrammed operational protocol. | 03-31-2016 |
| 20160123127 | HYDRAULIC FRACTURING SYSTEM AND METHOD - A hydraulic fracturing system and method are disclosed. The system includes a pulse-inducing system configured to deliver pulses of fluid to a fluid stream upstream of the wellbore. The pulse-inducing system can include at least one supplemental pump, at least one pulsation valve, and at least one pressure storage vessel. A hydraulic fracturing method can comprise generating a fluid stream via a primary pumping system, generating a pulsed output via a pulse-inducing system, and directing the pulsed output into the fluid stream upstream of a wellbore. | 05-05-2016 |
| 20160130494 | CORROSION INHIBITORS FOR DRILLING FLUID BRINES - Improved corrosion inhibitors for well brines include a phosphonate or salts thereof, and a gluconic acid or salts thereof. The inhibitors are normally injected downhole into the brines. The most preferred phosphonates are amine polyphosphonates, used in combination with alkali metal salts of gluconic acid. | 05-12-2016 |
| 20160130897 | APPARATUS AND METHOD FOR CONTROLLING A DOWNHOLE DEVICE - Apparatus for controlling a downhole device in a well, comprises a body having a control slot engaging a pin. Movement of the pin relative to the control slot switches the device between active and inactive states. The slot has at least one loop and at least one elongated axial track spaced around the body with respect to the at least one loop. The pin can move in the at least one elongated axial track between different configurations of the pin and slot which correspond to active and inactive configurations of the downhole device. Each of the at least one elongated axial track is connected to one of the at least one loop via a deviate branch track, and the control slot has no separate, dedicate return path for returning the pin from the deviate branch track to the elongated axial track. | 05-12-2016 |
| 20160131251 | Actuator Provided with a Gear Box, Position Indicator for a Gear Box, and Related Methods - An actuator system and method ( | 05-12-2016 |
| 20160145975 | DOWNHOLE POWER GENERATION SYSTEM - An apparatus for generating electrical power downhole comprises a housing located in a drillstring. A primary flow channel is formed through the housing. At least two secondary flow channels are located in the housing and arc laterally displaced from the primary flow channel, A fluid driven electrical generator is positioned in each of the at least two secondary flow channels. A controllable flow diverter is associated with each of the secondary flow channels to controllably divert at least a portion of a fluid flow m the primary flow channel to at least one of the at least two secondary flow channels to drive the generator therein. | 05-26-2016 |
| 20160160616 | INFLOW CONTROL DEVICE - An apparatus includes an inflow control device that is disposed in a well and is adapted to receive a flow. The inflow control device includes a chamber, an outlet and at least one inlet. The chamber has a first end, a second end, and a cross-section of the chamber decreases along a length of the chamber. The outlet is disposed at the second end of chamber. The inlet has a cross-sectional dimension and is adapted to, in response to the received flow, inject a flow into the chamber near the first end of the chamber such that a fluid flow is produced inside the chamber that rotates and translates in a direction along the length of the chamber toward the outlet. | 06-09-2016 |
| 20160160848 | PUMPS AND METHODS OF PUMPING FLUIDS INTO A WELL BORE - A pump for pumping fluid down a well bore in a rock formation comprises: intake and discharge passages; a pumping chamber with a plunger therein; intake and discharge valve assemblies in the intake passage and the discharge passages. At least one valve assembly has a valve body movable into sealing contact with the valve seat by fluid pressure in the pumping chamber. The valve seat may have a cylindrical outer surface for mating reception in said intake passage, and a shoulder with a radially-projecting surface biased against a wall for sealing. A cushioning member may be interposed between the valve body and the valve seat. A seal may be interposed between said valve body and said valve seat, and configured so that between 35% and 60% of a sealing surface of said valve seat contacts the valve body. | 06-09-2016 |
| 20160168928 | MOUSEHOLE TUBULAR RETENTION SYSTEM | 06-16-2016 |
| 20160168941 | HIGH PRESSURE PROPPANT BLENDING SYSTEM FOR A COMPRESSED GAS FRACTURING SYSTEM | 06-16-2016 |
| 20160168956 | ACTUATION MECHANISMS FOR DOWNHOLE ASSEMBLIES AND RELATED DOWNHOLE ASSEMBLIES AND METHODS | 06-16-2016 |
| 20160168958 | Downhole Power Generator | 06-16-2016 |
| 20160186537 | PUMP JACK SYSTEM AND METHOD - A pump jack system for vertically reciprocating a downhole pump in an oil and gas well. The pump jack system includes a cylinder assembly having a drive cylinder and two balance cylinders. A piston in the drive cylinder may be used to provide an upstroke of a sucker rod string of a downhole pump. The pistons in the balance cylinders may be used to provide a downstroke of the sucker rod string. Lower chambers in the balance cylinders counterbalance the lifting and lowering of the piston in the drive cylinder. The pump jack system also includes an accumulator for maintaining a relative constant fluid pressure in the lower chambers of the balance cylinders. | 06-30-2016 |
| 20160194550 | METHODS AND COMPOSITIONS FOR STIMULATING THE PRODUCTION OF HYDROCARBONS FROM SUBTERRANEAN FORMATIONS | 07-07-2016 |
| 20160194938 | Flow Guides for Regulating Pressure Change in Hydraulically-Actuated Downhole Tools | 07-07-2016 |
| 20160201436 | FUEL CELL APPARATUS AND METHOD FOR DOWNHOLE POWER SYSTEMS | 07-14-2016 |
| 20160376865 | HORIZONTAL FRACTURING TREE - A system, in certain embodiments, includes a horizontal fracturing tree. The horizontal fracturing tree includes a first hydraulic fracturing bore configured to flow a first fluid, wherein the first hydraulic fracturing bore extends along a first horizontal axis, and the first horizontal axis is generally perpendicular to a vertical axis of a wellhead. | 12-29-2016 |
| 20170234098 | WELLHEAD ASSEMBLY | 08-17-2017 |
| 20190145224 | DRILLER'S CONTROL STATION | 05-16-2019 |
