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Chevron U.S.A. Inc.

Chevron U.S.A. Inc. Patent applications
Patent application numberTitlePublished
20160139616Valve Actuation Using Shape Memory Alloy - An actuator device includes a shape memory alloy (SMA) device comprising an two way SMA element transformable from a deformed shape to a pre-deformed shape at a temperature of the SMA element that is above a transition temperature of the SMA element. The actuator device further includes a valve having an opening therethrough. The valve is moveable between an open position and a closed position. The actuator device also includes a biasing element. The valve is positioned between the SMA device and the biasing element. The SMA element is substantially cone-shaped, and a wall of the SMA element is slanted down at an angle that is between approximately 40 degrees and approximately 90 degrees relative to a vertical axis extending through the wall.05-19-2016
20160137944SYNTHESIS OF BASE OILS AND FUELS FROM FATTY ACIDS - Processes and systems for producing base oils and fuels from fatty acids comprising, in an embodiment, oligomerizing at least one unsaturated fatty acid to provide a mixture of fatty acid oligomers, wherein the mixture of fatty acid oligomers comprises fatty acid trimers and heavier molecules; and hydrotreating the mixture of fatty acid oligomers to provide a product comprising hydrotreated fatty acid oligomers including hydrotreated trimers and heavier molecules, wherein the product has a pour point and other characteristics suitable for use as a base oil, and wherein such processes for base oil production do not require an isomerization step.05-19-2016
20160137943ETHER LUBRICANTS FROM FATTY ACIDS - Long chain ether compositions may comprise at least one long chain ether of general Formula I:05-19-2016
20160137571ALKYL POLY GLYCOL-ETHERS AND THEIR SYNTHESIS - Processes for producing long chain ethers by reacting a long chain secondary alcohol, a long chain alkoxide, or a combination thereof with at least one epoxide. The long chain ether may comprise a long chain ether alcohol, a long chain ether alcoholate, or a combination thereof. The long chain ether alcoholate may be either protonated to provide the long chain ether alcohol or reacted with an alkyl halide to provide a long chain capped ether. Long chain ether compositions are also disclosed herein.05-19-2016
20160137519METHOD FOR MAKING MAZ FRAMEWORK TYPE ZEOLITES - A method for preparing an MAZ framework type zeolite is disclosed using a trimethylphenylammonium cation as a structure directing agent. The MAZ framework type zeolite, in its as-synthesized form, contains in its intracrystalline pores the trimethylphenylammonium cation. The resultant MAZ framework type zeolite crystals have an average crystallite size of greater than 5 μm.05-19-2016
20160131781CREATING A HIGH RESOLUTION VELOCITY MODEL USING SEISMIC TOMOGRAPHY AND IMPEDANCE INVERSION - A method is described for of creating a high-resolution velocity model of a geological medium that includes generating a long-wavelength anisotropic velocity model using tomographic inversion of seismic data gathers and combining the long-wavelength velocity model with an attenuation model. The method further includes performing prestack depth migration on the seismic data gathers using the long-wavelength velocity and attenuation model to produce seismic image gathers, applying a dip-consistent filter to the seismic image gathers, and transforming the filtered seismic image gathers to the time domain. The method further includes generating a full-band impedance model by performing impedance inversion of the time-domain filtered seismic image gathers using the long-wavelength velocity and attenuation model. The full-band impedance or velocity model is calibrated in the frequency domain in a manner independent of the spatial coordinates. The full-band impedance or velocity model is used for detecting fluid pressure anomalies in the geological medium.05-12-2016
20160130909Inflatable Casing Valve - A casing valve is described herein. The casing valve can include at least one wall forming a cavity and at least one flexible sleeve disposed proximate to an inner surface of the at least one wall. The casing valve can also include at least one chamber recessed relative to the inner surface of a top end of the at least one wall, where the at least one chamber is disposed between the at least one flexible sleeve and the at least one wall. The casing valve can further include at least one hydraulic channel disposed within the at least one wall and terminating in the at least one hydraulic chamber. The casing valve can also include a first coupling feature disposed at a top end of the at least one wall, wherein the first coupling feature is configured to couple to a first casing pipe.05-12-2016
20160126867System and Method for Electric Power Generation Using Piezoelectric Modules - A piezoelectric power generation system includes a housing and one or more piezoelectric modules disposed within the housing. Each of the one or more piezoelectric modules include a support structure, one or more piezoelectric components, and one or more exciters. The one or more piezoelectric components are disposed on or within the support structure, wherein at least a portion of vibrational motion in the support structure is transferred to the one or more piezoelectric components. The one or more exciters are coupled to the support structure and extend outside of the housing. When the exciters are actuated, they transfer vibrational motion to the one or more piezoelectric components through the support structure.05-05-2016
20160126866System and Method for Electric Power Generation Using Structured Stacked Piezoelectric Arrays - A piezoelectric power generation system includes a housing defining an opening therethrough and a support structure disposed within the housing, the support structure comprising a plurality of portions. The piezoelectric power generation system also includes one or more piezoelectric elements disposed between two of the plurality of portions of the support structure within the housing. Movement or vibration in the support structure compresses the one or more piezoelectric elements, wherein the one or more piezoelectric elements generate electric energy when compressed. The piezoelectric power generation system further includes one or more exciters coupled to the support structure, wherein the exciters move or vibrate when acted on by a flow of fluid, wherein the motion of vibration of the one or more exciters is translated to the support structure and ultimately to the one or more piezoelectric elements.05-05-2016
20160126865System and Method for Electric Power Generation Using Structured Piezoelectric Arrays - A piezoelectric power generation system includes a housing, the housing defining an opening therethrough. The piezoelectric power generation system further includes a support structure disposed within the housing, and one or more piezoelectric elements disposed on a surface of the support structure within the housing. Movement or vibration in the support structure is translated to the one or more piezoelectric elements, which actuates the one or more piezoelectric elements. The one or more piezoelectric elements generate power when actuated. The piezoelectric power generation system further includes one or more exciters coupled to the support structure. The exciters move or vibrate when acted on by a flow of fluid, wherein the motion of vibration of the one or more exciters is translated to the support structure and ultimately to the one or more piezoelectric elements.05-05-2016
20160123872METHOD AND SYSTEM FOR NIR SPECTROSCOPY OF MIXTURES TO EVALUATE COMPOSITION OF COMPONENTS OF THE MIXTURES - A method of estimating the relative concentration of at least two components contained in a mixture of the components is disclosed. At least two mixtures are produced by combining the at least two components, each of the at least two mixtures having different concentrations of the at least two components. NIR mixture spectra are acquired from each of the at least two mixtures. The NIR component spectra and the NIR mixture spectra are input into a computer utilizing chemometrics software and the spectra are analyzed to produce a calibration model for each component and each of the mixture NIR spectra. NIR monitored spectra for a monitored mixture of the components having an unknown concentration of the components is acquired. The calibration models are applied to the NIR monitored spectra to thereby estimate the concentration of at least one of the components in the monitored mixture. The method can be applied to monitor fluid mixtures produced from one or multiple hydrocarbon reservoirs and surface facilities including pipelines and tanks.05-05-2016
20160123111AUTONOMOUS ACTIVE FLOW CONTROL VALVE SYSTEM - An autonomous active flow control valve system for regulating and controlling flow across well segments is disclosed. In one example embodiment, the valve system includes a central control unit and one or more flow control devices communicatively coupled to the central control unit. Each flow control device includes at least one valve and at least one sensor for sensing various well or flow parameters. The central control unit receives sensor data from the sensor and controls the valve according to a pre-programmed control protocol. The valve may be opened, closed, and adjusted in response to detected well or flow parameters in order to maintain a desirable flow profile across well segments either in production or injection well.05-05-2016
20160122260ALKYLATION REACTION USING DELAMINATED ZEOLITE SUPPORTS AS CATALYSTS - Provided is an improved alkylation process using a delaminated SSZ-70 catalyst. The process comprises contacting a hydrocarbon feedstock comprising olefins and isoparaffins with a catalyst comprising delaminated SSZ-70 under alkylating reaction conditions. The delaminated SSZ-70 offers a zeolite layer with a single unit cell of thickness in one dimension, allowing an elimination of mass transfer in comparison with regular SSZ-70. This prevents coke formation inside zeolite channels and improves catalyst stability.05-05-2016
20160122258OLEFIN OLIGOMERIZATION USING DELAMINATED ZEOLITE SUPPORTS AS CATALYST - Provided is an improved process for olefin oligomerization allowing one to realize superior selectivity. The process comprises contacting a hydrocarbon feed comprised of straight and branched chain olefins under oligomerization conditions with a catalyst comprising delaminated SSZ-70. The delaminated SSZ-70 offers a zeolite layer with a single unit cell of thickness in one dimension, allowing for elimination of mass transfer in comparison with regular SSZ-70. The result is superior selectivity.05-05-2016
20160121313MIDDLE DISTILLATE HYDROCRACKING CATALYST CONTAINING HIGHLY A STABILIZED Y ZEOLITE WITH ENHANCED ACID SITE DISTRIBUTION - Described herein is an improved hydrocracking catalyst containing a stabilized Y zeolite (SY) having an enhanced acid site distribution as compared to conventional SY zeolites. The SY zeolite is also characterized as having a high nanopore volume (HNPV).05-05-2016
20160121312MIDDLE DISTILLATE HYDROCRACKING CATALYST CONTAINING HIGHLY NANOPOROUS STABILIZED Y ZEOLITE - Described herein is an improved hydrocracking catalyst containing a high nanopore volume (HNPV) stabilized Y (SY) zeolite. The HNPV SY zeolite is also characterized as having an enhanced acid site distribution as compared to conventional SY zeolites.05-05-2016
20160115567METALLURGICAL EXTRACTION TECHNIQUE TO RECOVER PLATINUM GROUP METALS FROM A FILTER CAKE - This application provides a metallurgical extraction technique, comprising: 04-28-2016
20160115566PROCESS FOR PREPARING A SPENT CATALYST FOR PRECIOUS METALS RECOVERY - A process is provided for preparing a spent noble metal fixed-bed catalyst for precious metals recovery, comprising: a) adding the catalyst to a caustic solution to wash the spent catalyst and to make a wash slurry having an alkaline pH, wherein the spent catalyst has been in contact with chloroaluminate ionic liquid catalyst, and wherein the spent catalyst comprises from 5 to 35 wt % chloride; and b) filtering the wash slurry and collecting: i) a filter cake having from at least 70 wt % of the chloride in the spent catalyst removed and having the noble metals retained, and ii) a wash filtrate. Also provided is a filter cake comprising a washed consolidated cake having 40 to 75 wt % solids, a cake moisture content from 25 to less than 60 wt %, 0.1 to 1.5 wt % total noble metals, and a residual chloride content of from zero to less than 4 wt %.04-28-2016
20160115397HYDROPROCESSING OF HYDROCARBONS USING DELAMINATED ZEOLITE SUPPORTS AS CATALYSTS - Provided is an improved hydroprocessing process allowing one to realize superior isoselectivity. The process comprises contacting a feed comprised of normal hydrocarbons under hydroprocessing conditions with a catalyst comprising delaminated SSZ-70.04-28-2016
20160115396HYDROPROCESSING OF HYDROCARBONS USING DELAMINATED ZEOLITE SUPPORTS AS CATALYSTS - Provided is an improved hydroprocessing process allowing one to realize superior isoselectivity. The process comprises contacting a feed comprised of normal hydrocarbons under hydroprocessing conditions with a catalyst comprising delaminated SSZ-70. The delaminated SSZ-70 has been found to provide unexpected improvements in the catalysis of hydroprocessing hydrocarbons. Delaminated SSZ-70 offers a zeolite layer with a single unit cell of thickness in one dimension, allowing an elimination of mass transfer in comparison with non-delaminated SSZ-70.04-28-2016
20160115038METHOD FOR MAKING MOLECULAR SIEVE SSZ-102 - A method for making a new crystalline molecular sieve designated SSZ-102 is disclosed using an N,N′-dimethyl-1,4-diazabicyclo[2.2.2]octane dication as a structure directing agent. SSZ-102 has ESV framework topology.04-28-2016
20160115037MOLECULAR SIEVE SSZ-102 - A new crystalline molecular sieve designated SSZ-102 having ESV framework topology is disclosed. SSZ-102 is synthesized using an N,N′-dimethyl-1,4-diazabicyclo[2.2.2]octane dication as a structure directing agent.04-28-2016
20160114313PROCESSES USING MOLECULAR SIEVE SSZ-102 - Uses are disclosed for a new crystalline molecular sieve designated SSZ-102 synthesized using an N,N′-dimethyl-1,4-diazabicyclo[2.2.2]octane dication as a structure directing agent. SSZ-102 has ESV framework topology.04-28-2016
20160109592SYSTEM AND METHOD FOR VELOCITY ANALYSIS IN THE PRESENCE OF CRITICAL REFLECTIONS - A method is described for processing residual moveout in seismic image data gathers representing critical reflections. The method includes receiving seismic image data arranged as a function of an angle or offset parameter including a high-velocity-contrast event with post-critical. The method also includes applying a wavelet de-stretch filter to the seismic data to correct wavelet stretching. The method also includes applying a fan-filter to remove coherent noise in the one or more post-critical traces; picking residual moveout of the high-velocity-contrast event; adjacent-trace differencing to detect the impact of phase change at critical reflections in residual moveouts, and applying a median-filter to the residual moveout to reduce the impact of phase change of the high-velocity-contrast event in the one or more post-critical traces. The median-filtered and reconstructed residual moveout is used for improving a velocity model used for generating the seismic image gathers.04-21-2016
20160103245CONDITIONING OF OBJECT OR EVENT BASED RESERVIOR MODELS USING LOCAL MULTIPLE-POINT STATISTICS SIMULATIONS - A computer-based method of conditioning reservoir model data includes performing a modeling process within a 3D stratigraphic grid to generate an initial model including one or more facies objects within the model volume, the modeling process including parametric distributions, initial and boundary conditions as well as depositional and erosional events to define the facies objects within the model volume. The mismatch between this initial model and the conditioning well data and potential input trend model is applied to compute a locally variable constraint model. The method further includes executing a multiple point statistics simulation with this constraint model that varies between completely constrained by the initial model at locations where the initial model is consistent with known well data and potential input trend models, and unconstrained by the initial model at locations where the initial model does not match known well data or potential input trend models to allow conformance to the known data.04-14-2016
20160102530Automated Well Placement for Reservoir Evaluation - Automated systems and methods provide a systematic determination of suitable placements for well production zones that comply with specified placement constraints while accounting for information in the geocellular model. One computer-based well placement method embodiment includes: creating a three-dimensional geocellular model of a subsurface region including a reservoir; determining a map-view layout of well candidate zones that satisfies a set of layout parameters; deriving a three-dimensional arrangement of well production zones by testing each well candidate zone's potential vertical positions against a set of arrangement parameters; and storing the three-dimensional arrangement of well production zones on a non-transient information storage medium for use in evaluating production from the reservoir. Where the geocellular model has cell layers that conform to stratigraphic surfaces, the method may further include determining potential vertical positions for each well candidate zone by projecting the well candidate zones from the map-view layout onto layer-centered surfaces.04-14-2016
20160101986METHOD FOR MAKING EUO FRAMEWORK TYPE MOLECULAR SIEVES - A method for preparing EUO framework type molecular sieve is disclosed using an N,N′-dimethyl-1,4-diazabicyclo[2.2.2]octane dication as a structure directing agent. The EUO framework type molecular sieve, in its as-synthesized form, contains in its intracrystalline pores the N,N′-dimethyl-1,4-diazabicyclo[2.2.2]octane dication.04-14-2016
20160097240Integrated Managed Pressure Drilling Transient Hydraulic Model Simulator Architecture - A system is described herein for performing off shore field operations. The system includes a number of process measuring devices that measure real-time process data. The system can further include a wellhead stack positioned at a sea floor, where the wellhead stack performs managed pressure drilling (MPD) as part of the field operations. The system can also include a dynamic process module executing on a hardware processor and providing first real-time output during the MPD using the real-time process data, where the dynamic process module includes a first off-the-shelf software package communicably coupled to a first model. The system can further include a dynamic integration engine executing on a hardware processor and receiving a first real-time output from the first model of the dynamic process module.04-07-2016
20160090821Downhole Power Generation System With Alternate Flow Paths - A downhole power generation device includes a tubular housing configured to be disposed within an annular space and around a portion of production tubing. The housing includes a flow compartment configured to receive a flow of fluid therethrough when the power generation device is in a power generation mode, and an electronics compartment comprising a controller and a power generation unit. The downhole power generation device further includes a turbomachinary system comprising a rotor disposed within the flow compartment and comprising a rotor hub and a plurality of rotor blades, wherein the rotor rotates when the flow of fluid traverses the flow compartment. The downhole power generation device also includes a port coupled to the flow compartment, through which fluid enters the flow compartment.03-31-2016
20160090820System 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
20160090819Downhole 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
20160090309METHOD FOR MAKING NES FRAMEWORK TYPE ZEOLITES - This disclosure is directed to a method for preparing NES framework type zeolites using a colloidal aluminosilicate composition in the presence of an N-cyclopentyl-N-methylpyrrolidinium cation as a structure directing agent.03-31-2016
20160077237Method of Stratigraphic Modeling of Faults - A new gridding method is disclosed for forward stratigraphic modeling that allows for syndepositional and/or postdepositional fault movement. The new gridding algorithm may represent both the lateral move of structure block, and provide efficiency that is comparable to the structured grid for forward stratigraphy model accessing previous deposited sediments stored in the grid. Embodiments of the disclosed methods allow for structural moves by performing a set of simple operations on the grid. The operations are generally simple, and do not change the overall topology of the grid. Therefore the operation can be easily repeated and the overall topological structure of the grid remains largely unchanged for simple access by the forward stratigraphic model. Further details and advantages of various embodiments of the method are described in more herein.03-17-2016
20160070829SEDIMENT TRANSPORT SIMULATION WITH PARAMETERIZED TEMPLATES FOR DEPTH PROFILING - Depth-averaged flow simulation systems and methods provided herein employ parameterized templates for dynamical depth profiling for at least one step of a simulation. In one illustrative computer-based embodiment, the simulation method includes, for each map point at one given time step: determining a flow template and a sediment concentration template based on depth-averaged flow velocity and depth-averaged sediment concentrations of different classes of grain size for that map point; employing the templates to construct a vertically-distributed flow velocity profile and vertically-distributed sediment concentration profiles for associated classes of grain size for that map point, thereby obtaining 3D flow velocity and 3D sediment concentration fields; using the 3D fields to calculate fluid and sediment fluxes; updating the flow velocity and sediment concentration profiles based on the divergence of the fluxes; integrating the profiles to compute updated depth-averaged flow velocity and sediment concentrations and center of gravity; and solving the depth-averaged flow equations for the next time step.03-10-2016
20160067691PROCESSES USING MOLECULAR SIEVE SSZ-101 - This disclosure is directed to uses for a new crystalline molecular sieve designated SSZ-101. SSZ-101 is synthesized using a N-cyclohexylmethyl-N-ethylpiperidinium cation as a structure directing agent.03-10-2016
20160067687Support For Fischer-Tropsch Catalyst Having Improved Activity - A process has been developed for preparing a Fischer-Tropsch catalyst precursor and a Fischer-Tropsch catalyst made from the precursor. The process includes contacting a gamma alumina catalyst support material with a first solution containing a vanadium compound and a phosphorus compound, to obtain a modified catalyst support material. The modified catalyst support material is calcined at a temperature of at least 500° C. The calcined modified catalyst support has a pore volume of at least 0.4 cc/g. The modified catalyst support is less soluble in acid solutions than an equivalent unmodified catalyst support. The modified catalyst support is contacted with a second solution which includes a precursor compound of an active cobalt catalyst component and an organic compound, preferably glutaric acid, to obtain a catalyst precursor. The catalyst precursor is reduced to activate the catalyst precursor to obtain the Fischer-Tropsch catalyst. The catalyst has enhanced hydrothermal stability as measured by losing no more than 10% of its pore volume when exposed to water vapor. The catalyst has Co03-10-2016
20160067682Stable Support For Fischer-Tropsch Catalyst - A process has been developed for preparing a Fischer-Tropsch catalyst precursor and a Fischer-Tropsch catalyst made from the precursor. The process includes contacting a gamma alumina catalyst support material with a first solution containing a compound containing an element selected from the group consisting of yttrium (Y), niobium (Nb), molybdenum (Mo), tin (Sn), antimony (Sb) and mixtures thereof to obtain a modified catalyst support material. The modified catalyst support material is calcined at a temperature of at least 700° C. The calcined modified catalyst support has a pore volume of at least 0.4 cc/g. The modified catalyst support is less soluble in acid solutions than an equivalent unmodified catalyst support. The modified catalyst support is contacted with a second solution which includes a precursor compound of an active cobalt catalyst component to obtain a catalyst precursor. The catalyst precursor is reduced to activate the catalyst precursor to obtain the Fischer-Tropsch catalyst. The catalyst has enhanced hydrothermal stability as measured by losing no more than 25% of its pore volume when exposed to water vapor.03-10-2016
20160067681Stable Support For Fischer-Tropsch Catalyst - A process has been developed for preparing a Fischer-Tropsch catalyst precursor and a Fischer-Tropsch catalyst made from the precursor. The process includes contacting a gamma alumina catalyst support material with a first solution containing a compound containing an element selected from the group consisting of yttrium (Y), niobium (Nb), molybdenum (Mo), tin (Sn), antimony (Sb) and mixtures thereof to obtain a modified catalyst support material. The modified catalyst support material is calcined at a temperature of at least 700° C. The calcined modified catalyst support has a pore volume of at least 0.4 cc/g. The modified catalyst support is less soluble in acid solutions than an equivalent unmodified catalyst support. The modified catalyst support is contacted with a second solution which includes a precursor compound of an active cobalt catalyst component to obtain a catalyst precursor. The catalyst precursor is reduced to activate the catalyst precursor to obtain the Fischer-Tropsch catalyst. The catalyst has enhanced hydrothermal stability as measured by losing no more than 25% of its pore volume when exposed to water vapor.03-10-2016
20160067668COST-EFFECTIVE MATERIALS FOR PROCESS UNITS USING ACIDIC IONIC LIQUIDS - We provide an apparatus for performing a hydrocarbon conversion or for handling of an output of the hydrocarbon conversion, comprising: a bare metal alloy, wherein the bare metal alloy comprises: from 15.1 to 49 wt % nickel, from 2.3 to 10 wt % molybdenum, from 0.00 to 2.95 wt % copper, and 20 to 59 wt % iron; wherein the bare metal alloy exhibits a corrosion rate less than 0.07 mm/year when performing the hydrocarbon conversion or handling the output of the hydrocarbon conversion; and wherein the hydrocarbon conversion is performed using an acidic ionic liquid. We also provide a process for using the apparatus.03-10-2016
20160061978SYSTEM AND METHOD FOR ATTENUATING MULTIPLE ENERGY IN SEISMIC DATA - A method for processing seismic data contaminated by peg-leg multiple energy may include identifying at least one peg-leg event in the seismic dataset; flattening the seismic dataset on the peg-leg event; transposing the seismic dataset so that an axis representative of the geographic space becomes the first axis; filtering the transposed seismic dataset with a low-cut filter along the first axis; and transposing the filtered seismic dataset back to its original orientation. The method may be carried out on a computer system including a processor configured to execute modules implementing the method.03-03-2016
20160053192BRIGHT STOCK BASE OIL BLEND - A method is disclosed for making a bright stock base oil blend meeting API Group II specifications. The method comprises blending (a) a major amount of a petroleum-derived bright stock component having kinematic viscosity at 100° C. of from 20 to 50 mm02-25-2016
20160047925Method of Determining Seismic Acquisition Aperture - Embodiments of a method for determining a seismic acquisition aperture are disclosed herein. In general, embodiments of the method utilize ray tracing with simulation of dip angles with virtual convex surfaces. In particular, embodiments of the method use the placement of a plurality of spherical convex surfaces around a subterranean region or area of interest. Further details and advantages of various embodiments of the method are described in more detail below.02-18-2016
20160046437Method Of Construction Of Prestressed Concrete Panel Wall Liquid Storage Tank And Tank So Constructed - Disclosed is a method for the construction of a prestressed concrete tank for the storage of liquids. The method includes erecting precast concrete panels on a foundation in a generally cylindrical shape while allowing an opening to allow the passage of people and equipment there through during the construction of the tank. Anchors are provided along both vertical edges of the opening. Strands are inserted into the anchors along both vertical edges of the opening and wire wrapped under tension over the outer surface of the inner tank wall. In one embodiment, a structural frame is secured within the opening and the strands are anchored to the vertical members of the structural frame. Once the opening in the tank wall is no longer needed, the opening is sealed with concrete panels. The sealed opening is then wire wrapped under tension using strands anchored to the anchors provided along both vertical edges of the opening.02-18-2016
20160040383FLOATING SYSTEM INTEGRATION METHODOLOGY - Disclosed is a floating system integration method involving integrated lifting equipment. The topsides and the hull are integrated at a first location such as a dock. The floating system is then transported to a second location such as an offshore location. The topsides is lifted after transportation to the second location. In addition to eliminating the need for heavy lifts, the method provides additional stability during transportation to the second location as the topsides is in a lowered position and has not been lifted yet.02-11-2016
20160034612Re-ordered Interpolation and Convolution for Faster Staggered-Grid Processing - Improved finite-difference staggered grid wave propagation systems and methods. One illustrative computer-based wave field simulation method includes: applying at least one signal to a grid of model cells forming a model space, each model cell having stress values associated with stress nodes and velocity values associated with velocity nodes staggered from the stress nodes; and propagating the at least one signal as a wave into the model space by alternately updating the stress values and the velocity values to obtain a time-dependent wave field associated with the at least one signal. The stress value updating includes, for each model cell: determining spatial derivatives of the velocity values for the model cell; interpolating the spatial derivatives to multiple stress nodes within the model cell; and, for each stress node within the model cell, combining the spatial derivatives associated with that stress node to update at least one stress value associated with that stress node.02-04-2016
20160032213SAE 15W-30 LUBRICATING OIL COMPOSITION HAVING IMPROVED OXIDATIVE STABILITY - We provide a SAE 15W-30 lubricating oil, comprising: a Group II base oil having a KV at 100° C. from 5.0 to 8.0 mm02-04-2016
20160032174METHODS FOR ALTERING FLUID RHEOLOGY - A method includes placing a treatment fluid including a crosslinked gel in a wellbore penetrating a subterranean formation, the crosslinked gel including a gelling agent and a borate crosslinking agent, de-crosslinking a portion of the crosslinked gel, the de-crosslinking induced by a sufficient change in operating pressure, the de-crosslinking providing a release of active sites on the borate crosslinking agent and reducing the viscosity of the treatment fluid, and providing a borate-affinity agent to capture the released active sites on the borate crosslinking agent. A fracturing fluid includes a gelling agent, a borate crosslinking agent, a latent borate-affinity agent, and a proppant.02-04-2016
20160023913INTERZEOLITE TRANSFORMATION AND METAL ENCAPSULATION IN THE ABSENCE OF AN SDA - Provided is a method of encapsulating a metal in a zeolite. The method comprises inserting a metal precursor into a parent zeolite, and then converting the parent zeolite to a zeolite having a higher framework density than the parent zeolite. The conversion is achieved without the need of an organic structure directing agent.01-28-2016
20160023912SYNTHESIS OF HIGH SILICA ZEOLITE VIA INTERZEOLITE TRANSFORMATION WITHOUT OSDAs - Provided is a method for preparing a zeolite having a Si/Al ratio of at least 10 by interzeolite transformation in the absence of an organic structure directing agent. The method is more cost effective and less equipment intensive as it eliminates the costly organic structure directing agent and the waste treatment at the plant.01-28-2016
20160018556SYSTEM AND METHOD FOR DETERMINING STRATIGRAPHIC LOCATION AND AREAL EXTENT OF TOTAL ORGANIC CARBON USING AN INTEGRATED STRATIGRAPHIC APPROACH - An integrated stratigraphic method for determining total organic carbon (TOC) in a rock formation is provided, The method includes performing a geochemical analysis method to create a geochemical dataset; performing a chronostratigraphic method to create a chronostratigraphic dataset; performing a graphic correlation of the chronostratigaphic dataset from at least one location in the rock formation; determining a sequence stratigraphic model based on the graphic correlation; and generating a palaeogeographic reconstruction at one or more time periods by integrating the sequence stratigraphic model with the geochemical dataset to construct a predictive depositional model and determine a location and areal extent of total organic carbon within the rock formation,01-21-2016
20160018541SYSTEM AND METHOD FOR ROCK PROPERTY ESTIMATION OF SUBSURFACE GEOLOGIC VOLUMES - A system and model for estimating rock properties may include receiving an initial reservoir model of the subsurface, calculating p-dependent reflection coefficients and vertical travel times at each boundary in the initial reservoir model, performing a Discrete Fourier Transform using the reflection coefficients and travel times to get a temporal spectrum of the reflectivity trace, multiplying by the temporal spectrum of a desired wavelet, performing an inverse DFT, and extracting the amplitude values at the vertical travel times for each boundary to generate synthetic seismic data. This synthetic seismic data may be compared with recorded seismic data to update the reservoir model.01-21-2016
20160018046METHOD AND SYSTEM FOR REDUCING OXIDATION OF GLYCOL IN FLUID HANDLING SYSTEMS - Disclosed are methods and systems for reducing the risk of oxidation of hydrate inhibitors such as monoethylene glycol used to prevent the formation of hydrates in fluid handling systems including flow lines and pipelines. A hydrate inhibitor storage tank in fluid communication with the fluid handling system is used to hold a volume of liquid hydrate inhibitor, a volume of blanket gas and a layer of a liquid, nonflammable at operating conditions, therebetween. The liquid is immiscible with glycol.01-21-2016
20160018044METHODS AND SYSTEMS FOR MAINTAINING A FUNCTIONAL LINE FOR CONVEYING FLUID AND PIG ASSEMBLIES FOR USE THEREIN - Disclosed is a pig assembly for maintaining a multi-diameter functional line with a large range of diameter variation for conveying fluid. The pig assembly includes a central shaft having a first shaft end and a second shaft end and at least one cylindrical pig body coaxially mounted on the central shaft. Attached to the at least one pig body are a plurality of arms capable of moving between an extended position radiating from the at least one pig body and a retracted position within the at least one pig body. Each of the pluralities of arms includes a spring to enable each arm of the plurality of arms to move into the extended position and to store potential energy when the arm is in the retracted position, and a roller to enable rolling contact between the pig assembly and an interior of a functional line during movement of the pig assembly within the functional line. The pig assembly further includes at least one set of a plurality of scraper elements located along the central shaft capable of rotating about the central shaft to move between an opened position and a collapsed position. A method for maintaining a multi-diameter functional line using the pig assembly is also disclosed.01-21-2016
20160017671WELLBORE ELECTRICAL ISOLATION SYSTEM - This disclosure relates to a wellbore electrical isolation system and method. The system may comprise an electrically conductive tube, an insulating layer covering at least a portion of the tube, an electrically conductive centralizer, electrically insulating confinement devices, and/or other components. In some implementations, the system may be configured to electrically isolate one or more sections of an electrically conductive well tubing string from an electrically conductive wellbore casing. In some implementations, a well may include one or more wellbore electrical isolation systems. Electrical isolation of the tubing string from the casing may facilitate powering one or more electrical loads disposed within the wellbore via a coaxial transmission line formed by the casing and the tubing string.01-21-2016
20160017205METHOD AND SYSTEM FOR REDUCING OXIDATION OF GLYCOL IN FLUID HANDLING SYSTEMS - Disclosed are methods and systems for reducing the risk of oxidation of hydrate inhibitors such as monoethylene glycol used to prevent the formation of hydrates in fluid handling systems including flow lines and pipelines. A hydrate inhibitor storage tank in fluid communication with the fluid handling system is used to hold a volume of liquid hydrate inhibitor and a volume of high purity argon as a blanket gas.01-21-2016
20160003027SYSTEM AND METHOD FOR DETECTING STRUCTURAL INTEGRITY OF A WELL CASING - This disclosure relates to a system and method for detecting structural integrity of a well casing. The system may detect casing structural integrity events. The casing structural integrity events may include structural failures of the casing and/or potential structural failures of the casing. The well casing may be drilled and/or otherwise embedded into a geologic structure. The well casing may be subject to geologic forces generated by the geologic structure. Unplanned and/or unexpected forces and/or movement may pose a risk to the structural integrity of the casing. Forces and/or movement of sufficient magnitude may result in damage to and/or destruction of the casing. Damage to and/or destruction of the casing may cause a loss of the natural resources being extracted via the well associated with the well casing, contamination of areas surrounding the well, undesirable surface expression, and/or other negative effects.01-07-2016
20160002542DECOMPOSITION OF ORGANIC CHLORIDE IN ALKYLATE USING METALS AND ALLOYS - Processes for decomposing organic chloride in a hydrocarbon stream may comprise contacting a hydrocarbon stream with a dechlorination element in a dechlorination zone under dechlorination conditions to provide a dechlorinated hydrocarbon product, wherein the dechlorination element may comprise a metal or metal alloy having a high surface area configuration. Such a dechlorination element may be disposed within one or more distillation columns and/or within a separate dechlorination vessel.01-07-2016
20160002125NOZZLE DESIGN FOR IONIC LIQUID CATALYZED ALKYLATION - Systems for ionic liquid catalyzed hydrocarbon conversion comprise a reactor vessel, a mixing device in fluid communication with the reactor vessel, and at least one circulation loop in fluid communication with the reactor vessel and the mixing device. The mixing device may comprise an upper venturi, at least one feed injection component, and a lower venturi. Such systems may be used for ionic liquid catalyzed alkylation reactions. Processes for ionic liquid catalyzed hydrocarbon conversion are also disclosed.01-07-2016
20160002060METHOD FOR MAKING MOLECULAR SIEVE SSZ-98 - A method is disclosed for making a new crystalline molecular sieve designated SSZ-98. SSZ-98 has the ERI framework type and is synthesized using a N,N′-dimethyl-1,4-diazabicyclo[2.2.2]octane dication as a structure directing agent.01-07-2016
20160002059MOLECULAR SIEVE SSZ-98 - A new crystalline molecular sieve designated SSZ-98 is disclosed. SSZ-98 has the ERI framework type and is synthesized using a N,N′-dimethyl-1,4-diazabicyclo[2.2.2]octane dication as a structure directing agent.01-07-2016
20160001273PROCESSES USING MOLECULAR SIEVE SSZ-98 - Uses for a new crystalline molecular sieve designated SSZ-98 are disclosed. SSZ-98 has the ERI framework type and is synthesized using a N,N′-dimethyl-1,4-diazabicyclo[2.2.2]octane dication as a structure directing agent.01-07-2016
20160001255NOVEL REACTOR FOR IONIC LIQUID CATALYZED ALKYLATION BASED ON MOTIONLESS MIXER - Systems and apparatus for ionic liquid catalyzed hydrocarbon conversion may comprise a modular reactor comprising a plurality of mixer modules. The mixer modules may be arranged in series. One or more feed modules may be disposed between the mixer modules. Such systems may be used for ionic liquid catalyzed alkylation reactions. Processes for ionic liquid catalyzed hydrocarbon conversion are also disclosed.01-07-2016
20150378039SYSTEM AND METHOD FOR SEISMIC IMAGING OF A COMPLEX SUBSURFACE - Seismic data may be processed to improve a geologic model of a subsurface volume of interest by receiving an initial geologic model, generating a γ-parameter family of models by perturbing parameters of an initial geologic model, migrating the seismic data using each of the models in the γ-parameter family of models to generate a set of migration images, constructing a γ-volume by scanning the set of migration images wherein each location in the γ-volume is assigned a value representing a preference of one of the migration images; and inverting the γ-volume.12-31-2015
20150377728PASSIVE PRESSURE SENSING - A pressure sensor for sensing pressure of a fluid includes a diaphragm separator and a flexure structure. The diaphragm separator exerts an imparted force on the flexure structure, where the imparted force is proportional to fluid pressure exerted on the flexure structure. The pressure sensor further includes a piezoelectric resonator. A first resonator interface section of the flexure structure is in contact with a first edge of the piezoelectric resonator. A second resonator interface section of the flexure structure is in contact with a second edge of the piezoelectric resonator. The first edge and the second edge are opposite narrow edges of the piezoelectric resonator. The flexure structure exerts a load proportional to the imparted force onto the first edge of the piezoelectric resonator.12-31-2015
20150376998SYSTEMS AND METHODS FOR INLINE CHEMICAL INJECTION FOR DUMP FLOOD WATER INJECTORS - The present disclosure provides techniques for inline injection of water and chemicals for a dump flood. The techniques include collecting water from a source reservoir into a water collection zone of an adjacent water injection well, and injecting a chemical solution into the water injection well. The water and the chemical solution are then mixed downhole in a mixer, such as a static mixer. The mixed injection fluid is then directly injected into an adjacent target reservoir.12-31-2015
20150369935Instantaneous Isochron Attribute-based Geobody Identification for Reservoir Modeling - Automated systems and methods that provide robust identification of regions of interest for reservoir modeling are disclosed herein. One embodiment includes: obtaining a seismic image of a subsurface region; performing full-volume horizon picking and deriving an instantaneous isochron attribute (IIA) value for each point in the seismic image; identifying one or more geobodies within the seismic image based at least in part on the IIA values; and representing the one or more geobodies in a geocellular model. The identifying of geobodies may include: applying IIA value filtering to isolate intervals of rapid or slow deposition in the seismic image; determining a reservoir-non-reservoir indicator attribute value for each point in the seismic image; applying reservoir-non-reservoir indicator value filtering to isolate subintervals of presumed reservoirs or non-reservoirs in said isolated intervals; determining a pay indicator attribute value for each point in the seismic image; and applying pay indicator value filtering to isolate presumed pay zones in said isolated subintervals.12-24-2015
20150360065SYSTEM AND METHOD FOR SOIL TREATMENT - The present invention is directed to a method for irradiating of solids containing petroleum or Petroleum derived compounds (PPDCs), such as soils, oily sludge, drill cuttings, sediments, and non-commercial petroleum industry products, with electron beams in order to physically and/or chemically alter the composition of the PPDCs. The method includes the step of separating PPDC gas and liquids in the presence of a gas driver. Optionally, the method includes the steps of treating off-gases and applying one or more amendments to PPCD-impacted solid material pre-irradiation, post-irradiation, or during electron beam irradiation.12-17-2015
20150355373SYSTEM AND METHOD OF BUILDING COMPLEX EARTH MODELS - A method is described that includes accessing, for a geological medium: a horizon model including a plurality of horizons in the geological medium; a fault model including a plurality of faults in the geological medium; and a rock property model including one or more physical rock properties at a plurality of spatial locations on a first grid corresponding to the geological medium. The method further includes determining intersections between the horizons and the faults by correlating the horizon model with the fault model and calculating a faulted structural model for the geological medium in accordance with the intersections between the horizons and the faults. The method further includes generating an earth model for seismic forward modeling by assigning one or more physical rock properties to the faulted structural model in accordance with the rock property model.12-10-2015
20150353368PROCESSES USING MOLECULAR SIEVE SSZ-100 - This disclosure is directed to uses for a new crystalline molecular sieve designated SSZ-100. SSZ-100 is synthesized using a cationic nitrogen-containing organic compound having the following structure:12-10-2015
20150353367PROCESSES USING MOLECULAR SIEVE SSZ-99 - This disclosure is directed to uses for a new crystalline molecular sieve designated SSZ-99. SSZ-99 is synthesized using a methylethyldiisopropylammonium cation as a structure directing agent.12-10-2015
20150353366METHOD FOR MAKING MOLECULAR SIEVE SSZ-100 - A method for making a new crystalline molecular sieve designated SSZ-100 is disclosed. SSZ-100 is synthesized using a cationic nitrogen-containing organic compound having the following structure:12-10-2015
20150353365MOLECULAR SIEVE SSZ-100 - A new crystalline molecular sieve designated SSZ-100 is disclosed. SSZ-100 is synthesized using a cationic nitrogen-containing organic compound having the following structure:12-10-2015
20150353364METHOD FOR MAKING MOLECULAR SIEVE SSZ-99 - A method for making a new crystalline molecular sieve designated SSZ-99 is disclosed. SSZ-99 is synthesized using a methylethyldiisopropylammonium cation as a structure directing agent.12-10-2015
20150352536MOLECULAR SIEVE SSZ-99 - A new crystalline molecular sieve designated SSZ-99 is disclosed. SSZ-99 is synthesized using a methylethyldiisopropylammonium cation as a structure directing agent.12-10-2015
20150337604Isolator Sub - An isolator sub is disclosed. The isolator sub can include a first rod having a first coupling feature disposed at a first end. The isolator sub can also include a second rod having a second coupling feature disposed at a first end, where the first rod is electrically conductive. The isolator sub can further include an isolator made of an electrically non-conductive material and having a first complementary coupling feature and a second complementary coupling feature, where the first coupling feature couples to the first complementary coupling feature, and where the second coupling feature couples to the second complementary coupling feature. The isolator sub can also include an outer housing coupled to the first rod, the second rod, and the isolator, where the outer housing is electrically conductive and has at least one third coupling feature configured to electrically couple to an electrical cable.11-26-2015
20150337087REMOVAL OF METALS FROM LIQUID PYROLYSIS OIL - The present disclosure generally relates to removing metals from liquid-phase pyrolysis oil, such as at or near room temperatures. Specifically, some embodiments of the disclosure relate to a method and a system for removing metals from pyrolysis oil using acidic ion-exchange resins. One embodiment relates to a method for removing metals from pyrolysis oil comprising combining pyrolysis oil and an organic solvent to form a pyrolysis oil mixture and removing metal from the pyrolysis oil mixture to produce a reduced metal content pyrolysis oil mixture. In some embodiments, the removing of the metal uses a strongly acid ion-exchange resin.11-26-2015
20150336091MOLECULAR SIEVE SSZ-95 - A new crystalline molecular sieve designated SSZ-95 is disclosed. The molecular sieve has a MTT-type framework, a mole ratio of 20 to 70 of silicon oxide to aluminum oxide, a total micropore volume of between 0.005 and 0.02 cc/g; and a H-D exchangeable acid site density of up to 50% relative to SSZ-32.11-26-2015
20150336089METHOD FOR MAKING MOLECULAR SIEVE SSZ-95 - A new crystalline molecular sieve designated SSZ-95 is disclosed. In general, SSZ-95 is synthesized from a reaction mixture suitable for synthesizing MTT-type molecular sieves and maintaining the mixture under crystallization conditions sufficient to form product. The product molecular sieve is subjected to a pre-calcination step, and ion-exchange to remove extra-framework cations, and a post-calcination step. The molecular sieve has a MTT-type framework and a H-D exchangeable acid site density of 0 to 50% relative to molecular sieve SSZ-32.11-26-2015
20150322745Self-Extendable Hydraulic Wellbore Cleaning Tool - The present disclosure provides techniques for a self-extendable hydraulic wellbore cleaning tool. The cleaning tool includes one or more extending nozzles which eject cleaning fluid onto the walls of a wellbore with increased impact momentum due to the shorter range. The extending nozzles can extend from the cleaning tool to a distance away from the cleaning tool, bringing the point of ejection closed to the walls of the wellbore. In certain example embodiments, the cleaning tool also includes one or more flow guides which direct the flow of cleaning fluid ejected from the nozzles. The flow guides cause the cleaning fluid to rotate when ejected from the nozzles, and causes the cleaning fluid to impact the walls of the wellbore at an angle.11-12-2015
20150322326PULSE POWER DRILLING FLUID AND METHODS OF USE - Pulse power drilling fluids comprising a base fluid solution of a low viscosity ester and an alkylene carbonate in an amount that is soluble in the ester are provided. The pulse power drilling fluids provide excellent properties for use in pulse-power drilling, e.g., a high dielectric constant, a high dielectric strength, lower viscosity and lower conductivity than current pulse-power drilling fluids. Methods of using the pulse power drilling fluids are also described.11-12-2015
20150316670Method of Creating and Interpreting Animated Mosaics of Multiple Seismic Surveys - Embodiments of methods of creating and interpreting animated mosaics of multiple seismic surveys are disclosed herein. Volumes from individual seismic surveys may be flattened in each seismic cube. Animations/movies may then be produced by capturing a series of z-slice movie frames through each of the flattened volumes. The individual sets of movie frames are geo-referenced to a basemap image of well locations using appropriate composition software. Where overlap exists between surveys, the surveys are prioritized and lower priority volumes are masked by higher priority volumes. This technique provides a matched, unbroken image across overlapping volumes at each stratigraphic layer. As the movie or animation plays, a moving arrow pointer shows the vertical position of the current movie frame on a stratigraphic section consisting of a seismic reference section that is optionally labelled with suitable regional sequence names and other stratigraphic zonation data.11-05-2015
20150315452METHODS OF MAKING MONOESTER-BASED DRILLING FLUIDS - Disclosed herein are monoester-based lubricant compositions and methods of making these monoester-based lubricant compositions. The monoester lubricant compositions comprise an isomeric mixture of at least one monoester species having a carbon number ranging from C11-05-2015
20150306584MIDDLE DISTILLATE HYDROCRACKING CATALYST MANUFACTURED USING A HIGH NANOPORE VOLUME AMORPHOUS SILICA-ALUMINA SUPPORT - The present invention is directed to an improved hydrocracking catalyst containing a amorphous silica-alumina (ASA) base and alumina support. The ASA base is characterized as having a high nanopore volume and low particle density. The alumina support is characterized as having a high total nanopore volume. Hydrocracking catalysts employing the combination high nanopore volume ASA base and alumina support exhibit improved hydrogen efficiency, and greater product yield and quality, as compared to hydrocracking catalysts containing conventional ASA base and alumina components.10-29-2015
20150306583MIDDLE DISTILLATE HYDROCRACKING CATALYST WITH A BASE EXTRUDATE HAVING A HIGH NANOPORE VOLUME - The present invention is directed to an improved hydrocracking catalyst containing a amorphous silica-alumina (ASA) base and alumina support. The ASA base is characterized as having a high nanopore volume and low particle density. The alumina support is characterized as having a high nanopore volume. Hydrocracking catalysts employing the combination high nanopore volume ASA base and alumina support exhibit improved hydrogen efficiency, and greater product yield and quality, as compared to hydrocracking catalysts containing conventional ASA base and alumina components.10-29-2015
20150306582MIDDLE DISTILLATE HYDROCRACKING CATALYST WITH A BASE EXTRUDATE HAVING A LOW PARTICLE DENSITY - The present invention is directed to an improved hydrocracking catalyst containing a amorphous silica-alumina (ASA) base and alumina support. The ASA base is characterized as having a high nanopore volume and low particle density. The alumina support is characterized as having a high total nanopore volume. Hydrocracking catalysts employing the combination high nanopore volume ASA base and alumina support exhibit improved hydrogen efficiency, and greater product yield and quality, as compared to hydrocracking catalysts containing conventional ASA base and alumina components.10-29-2015
20150306581MIDDLE DISTILLATE HYDROCRACKING CATALYST WITH A BASE EXTRUDATE HAVING A HIGH TOTAL NANOPORE VOLUME - The present invention is directed to an improved hydrocracking catalyst containing a amorphous silica-alumina (ASA) base and alumina support. The ASA base is characterized as having a high nanopore volume and low particle density. The alumina support is characterized as having a high total nanopore volume. Hydrocracking catalysts employing the combination high nanopore volume ASA base and alumina support exhibit improved hydrogen efficiency, and greater product yield and quality, as compared to hydrocracking catalysts containing conventional ASA base and alumina components.10-29-2015
20150302138NATURAL GAS DEHYDRATION VESSEL HAVING REDUCED REGENERATION MODE CYCLE TIME AND METHOD OF USE AND DESIGN THEREOF - A vessel for dehydrating a natural gas stream using molecular sieve material contained therein and a method for designing such a vessel are described. The vessel includes cylindrical vessel walls having a plurality of thermally conductive plates attached to the inner surface thereof. The plurality of thermally conductive plates are distributed vertically and circumferentially through the cylindrical portion of the vessel. The dimensions of the thermally conductive plates can be determined using computational fluid dynamics analysis of a process for regenerating the molecular sieve material. It is possible to reduce the duration of operation in regeneration mode using the vessel of the present disclosure.10-22-2015
20150293953ROBUST, LOW-OVERHEAD, APPLICATION TASK MANAGEMENT METHOD - Application task management (“ATM”) methods may employ a task list stored in a file on a nonvolatile information storage medium. Parallel processing instances employ an application programming interface (“API”) that enables each processing instance to individually access the task list. The access protocol enforced by the API is sufficient to provide robust, fault-tolerant behavior without requiring a specific process or daemon to be responsible for ATM. The API may employ a locking mechanism based on universal or widely-available operating system calls (such as directory creation) that implicitly or explicitly guarantee atomic operations. Each processing instance performs a check-out of unfinished tasks with a request that includes a timeout value, transforms the unfinished tasks into finished tasks, and provides a check-in of the finished tasks, and repeats. This approach supports the use of a variety of models through the use of chained or nested task lists, and it can be readily scaled.10-15-2015
20150286713SYSTEM AND METHOD FOR FUZZY ONTOLOGY MATCHING AND SEARCH ACROSS ONTOLOGIES - A computer implemented method of matching ontologies is disclosed. The method includes, for each pair of entities of a first ontology and a second ontology, wherein each pair of entities includes a first entity from a first plurality of entities of the first ontology and a second entity from a second plurality of entities of the second ontology, and wherein the first entity and the second entity of each pair of entities is of a same data type: (1) determining a vector of similarities for the pair of entities; (2) determining a confidence score for the vector of similarities; (3) determining a relation score for each relation type based on the vector of similarities to measure relatedness between the first entity of the pair of entities and the second entity of the pair of entities; and (4) generating a mapping ontology based on the relation type, the relation score, and the confidence score of each pair of entities.10-08-2015
20150275584SPECIALIZED BIT FOR CHALLENGING DRILLING ENVIRONMENTS - The present disclosure provides a drill bit having cutters of different geometries, such as the combination of round cutters and scribe cutters. The drill bit includes at least one radial location at which both a round cutter and a scribe cutter are disposed. Thus, the drill bit leverages the high cutting efficiency of the scribe cutter as well as the high impact resistance of the round cutter. Additionally, the round cutter and the scribe cutter have the same maximum distance from the drill bit. Thus, the round cutter and the scribe cutter which share the same radial location contact the rock formation at substantially the same time when used in a drilling operation.10-01-2015
20150270799SYSTEM AND METHOD FOR CONTROLLING MULIPHASE ELECTRIC MOTORS - Controlling a multiphase electric motor by controlling the transmission of power to a first set of phases of a multiphase electric motor in accordance with a first operating configuration; detecting the presence of a shorted phase in the first set of phases while the first set of phases are being operated in accordance with the first operating configuration; and, responsive to detection of the shorted phase, adjusting control of the transmission of power to the multiphase electric motor such that power is transmitted to a second set of phases in accordance with a second operating configuration.09-24-2015
20150270747SYSTEM AND METHOD FOR CONTROLLING MULTIPHASE ELECTRIC MOTORS - A multiphase electric motor for a down-hole electrical submersible pump having a rotor having a first set of rotor voids filled or partially filled with permanent magnetic material. The electric motor having a stator with three or more stator slots, three or more stator teeth and three or more coils. Individual ones of the three or more coils are wound about at least one of the individual ones of the three or more stator teeth, and positioned such that adjacent coils are non-overlapping or partially overlapping to form a fractional slot per pole per phase winding. The electric motor having a power supply configured to provide power to the three or more phase windings formed by series or parallel combination of the three or more coils and a controller configured to control transmission of power through the three or more windings.09-24-2015
20150267101COOLANT HAVING RAPID METAL PASSIVATION PROPERTIES - It has been found that the chemical reactivity of the metal surface of heat exchangers with coolants in presence of nitrites can be reduced by the addition of additives such as phosphonates or phosphinates. Aluminum, other Group III metals, as well as other metals commonly used in cooling systems, such as those of automobile engines, may thus be effectively protected.09-24-2015
20150266912Synthesis of Open Metal Carbonyl Clusters - The present invention is directed to the synthesis of novel stable open metal clusters by selective oxidation of bound ligands. The synthesis comprises, for example, using an amine based oxidant for decarbonylation of specific carbonyl ligands. The synthesis can also comprise further removal of a bound amine group by an acid. The resulting metal cluster contains a coordinatively unsaturated site comprising a carbonyl vacancy. The resulting metal cluster can be used as a catalyst in a variety of chemical transformations.09-24-2015
20150266796PARAFFINIC JET AND DIESEL FUELS AND BASE OILS FROM VEGETABLE OILS VIA A COMBINATION OF HYDROTREATING, PARAFFIN DISPROPORTIONATION AND HYDROISOMERIZATION - The present invention relates to a new process which comprises the steps of hydrotreating, paraffin disproportionation and hydroisomerization to convert biological hydrocarbonaceous oxygenated oils comprising triglycerides into biologically-derived paraffinic jet/diesel fuels, solvents and base oils. A combination of conventional hydrogenation/dehydrogenation catalysts, such as Pt/Al09-24-2015
20150260595Passive Pressure Sensing - A pressure sensor for sensing pressure of a fluid includes a diaphragm flexure and a crystal retaining flexure. The diaphragm flexure is designed to exert imparted force on the crystal retaining flexure. The imparted force is proportional to fluid pressure exerted on the diaphragm flexure. The pressure sensor further includes a resonator having opposing curved end portions connected to each other by a bridge section. A portion of the crystal retaining flexure is positioned between the diaphragm flexure and the resonator. The crystal retaining flexure is designed to exert a load on the resonator. The load results from the imparted force exerted on the crystal retaining flexure by the diaphragm flexure.09-17-2015
20150260594Passive Pressure Sensing - A pressure sensor for sensing pressure of a fluid includes a diaphragm flexure and a crystal retaining flexure. The diaphragm flexure is designed to exert imparted force on the crystal retaining flexure. The imparted force is proportional to fluid pressure exerted on the diaphragm flexure. The pressure sensor further includes a resonator having a round outer perimeter. A portion of the crystal retaining flexure is positioned between the diaphragm flexure and the resonator. The crystal retaining flexure is designed to exert a load on the resonator. The load results from the imparted force exerted on the crystal retaining flexure by the diaphragm flexure.09-17-2015
20150259621LUBRICATING GREASE COMPOSITION - A lubricating grease composition for extra heavy duty extreme pressure applications comprises a major amount of a synthetic base oil a lithium complex thickener, at least one extreme pressure agent; and at least 5 wt. % of molybdenum disulfide, based on a total weight of the lubricating grease composition.09-17-2015
20150254499MULTI-VIEW 3D OBJECT RECOGNITION FROM A POINT CLOUD AND CHANGE DETECTION - A method of detecting objects in three-dimensional (3D) point clouds and detecting differences between 3D point clouds and the objects therein is disclosed. A method includes receiving a first scene 3D point cloud and a second scene 3D point cloud, wherein the first scene 3D point cloud and the second scene 3D point cloud include first and second target objects, respectively; aligning the first scene 3D point cloud and the second scene 3D point cloud; detecting the first and second target objects from the first scene 3D point cloud and the second scene 3D point cloud, respectively; comparing the detected first target object with the detected second target object; and identifying, based on the comparison, one or more differences between the detected first target object and the detected second target object. Further aspects relate to detecting changes of target objects within scenes of multiple 3D point clouds.09-10-2015
20150252625Transmitting Power Within A Wellbore - A system for applying power into a wellbore. The system can include a casing, a tubing string, a first and second isolator sub, a power source, and an electrical device. The casing has a first cavity running therethrough. The tubing string is disposed within the first cavity without contacting the casing, where the tubing string has a second cavity running therethrough. The first isolator sub is mechanically coupled to the tubing string and positioned between the neutral section and the power-transmitting section of the tubing string. The power source is electrically coupled to the power-transmitting section of the tubing string below the first isolator sub. The second isolator sub is mechanically coupled to the tubing string and positioned between the bottom neutral section and the power-transmitting section of the tubing string. The electrical device is electrically coupled to a bottom end of the power-transmitting section of the tubing string.09-10-2015
20150251171ALKANE DEHYDROGENATION PROCESS - Disclosed herein are processes for dehydrogenation of an alkane to an alkene using an iridium pincer complex. In the dehydrogenation reactions, hydrogen that is co-formed during the process must be removed for the chemical reaction to proceed and to prevent the excess hydrogen from poisoning the catalyst. In one embodiment the process comprises providing an alkane feedstock comprising at least one alkane and contacting the alkane with an iridium pincer complex in the presence of a hydrogen acceptor selected from the group consisting of ethylene, propene, or mixtures to form an alkene product. The processes disclosed herein can accomplish facile, low-temperature transfer dehydrogenation of alkanes with unprecedented selectivities and TONs at a reasonable rate of conversion.09-10-2015
20150247751INDUSTRIAL PROCESS MONITORING AND IMAGING - Exemplary embodiments include an apparatus for imaging a volume of material contained inside a vessel. The apparatus includes a plurality of synchronized acoustic sensors positioned at a periphery of an inner volume of the vessel. A processor combines the outputs of the acoustic sensors to identify at least one ambient noise source of the industrial process generating a noise field that illuminates an internal volume of the vessel and to provide an image of the material by temporal and spatial coherent processing of the transmission and reflection of the noise field generated by the noise source.09-03-2015
20150235544Apparatus, System and Methods for Alerting of Abnormal Drilling Conditions - A method of monitoring drilling conditions includes acquiring raw data from drilling equipment and conditioning the raw data to generate conditioned data. Conditioning the raw data includes removing outlier data values and/or filtering out noise. The method further includes processing the conditioned data to generate output values. Processing the conditioned data includes determining a slope of a first set of data values of the conditioned data. The first set of data values correspond to a regression length of time. Processing the conditioned data further includes determining whether a difference between the slope of the first set of data values and a median slope determined over a median window of time exceeds a threshold. The method also includes generating an alarm based on the output values to indicate an abnormal drilling condition.08-20-2015
20150233885SORPTION-BASED SENSING SYSTEM - The present invention relates to a sorption-based sensing system for sensing multiple selected species in a fluid. In one aspect, the sensing system comprises an optical conduit for guiding light from an input end to an output end, a detector for detecting at least one feature of the light at the output end associated with the optical characteristic, and an analyzer for determining at least one attribute of at least one of the multiple selected species in the fluid based on the detected feature. The optical conduit includes a sorptive portion having a set of different sorption properties associated with the multiple selected species. The sorptive portion is adapted to be positioned in the fluid to reversibly sorb at least one of the multiple selected species to vary an optical characteristic of the sorptive portion. In another aspect, there is provided a corresponding method for operating the sensing system.08-20-2015
20150233846SYSTEM AND METHOD FOR IDENTIFYING HYDROCARBON POTENTIAL IN A ROCK FORMATION USING X-RAY FLUORESCENCE - A system and a method for identifying a hydrocarbon sweet spot in a rock formation are disclosed. The method includes collecting a dataset comprising an elemental composition of one or more rock samples at various depths or locations, using an x-ray fluorescence device; analyzing the collected dataset of the one or more rock samples including analyzing the elemental composition of the one or more rock samples; establishing a time-correlative sample framework based on the collected dataset regarding the elemental composition of the one or more rock samples; performing a map-based spatial analysis comprising creating a distribution of concentration of one or more elements in the one or more rock samples in a geographical map generated within the framework; and identifying one or more locations of accumulation of hydrocarbons using the map-based spatial analysis.08-20-2015
20150233747Apparatus, System and Process For Characterizing Multiphase Fluids In A Fluid Flow Stream - A system for determining characteristics of a multiphase fluid includes pipe and multiple pairs of transducers positioned circumferentially around the pipe. Each pair of transducers includes a transmitting transducer and a receiving transducer. The transmitting transducer of each pair of transducers is oriented to transmit a respective acoustic signal toward the receiving transducer of the pair of transducers. The transmitting transducer of each pair of transducers is operable to transmit the respective acoustic signal sequentially with respect to other transmitting transducers of the multiple pairs of transducers. A reception of a first acoustic signal transmitted by a transmitting transducer of a first pair transducers of the multiple pairs of transducers is completed by a receiving transducer of the first pair transducers before a transmitting transducer of another pair of transducers of the multiple pairs of transducers transmits a second acoustic signal.08-20-2015
20150233224SYSTEM AND METHOD FOR ENHANCING OIL RECOVERY FROM A SUBTERRANEAN RESERVOIR - A system and method is disclosed for enhancing the distribution of an enhanced oil recovery fluid utilizing electrokinetic-induced migration for enhancing oil recovery from a subterranean reservoir. An enhanced oil recovery fluid is injected into the hydrocarbon bearing zone through the injection well. An electric field is generated through at least a portion of the hydrocarbon bearing zone to induce electrokinetic migration of the enhanced oil recovery fluid. Electrokinetic induced migration allows for the enhanced oil recovery fluid to contact portions of the reservoir that previously were unswept, which as a result enhances recovery of hydrocarbons through the production well.08-20-2015
20150226061SYSTEM AND METHOD FOR ESTIMATING FLOW CAPACITY OF A RESERVOIR - The disclosure relates to a computer implemented method and system for determining a flow geometry of a subsurface reservoir, as well as a method of hydrocarbon production with flooding. A general embodiment of the disclosure is a method for determining a flow geometry of a subsurface reservoir, the method comprising: (a) receiving production related data for the reservoir, wherein the reservoir is associated with a flooding operation; (b) generation a heterogeneity factor from the production related data; (c) calculating a flow geometry of displacement of hydrocarbons from the reservoir responsive to the heterogeneity factor; and (d) outputting the flow geometry.08-13-2015
20150224469APPARATUS FOR REDUCING ORGANIC HALIDE CONTAMINATION IN HYDROCARBON PRODUCTS USING A METAL CHLORIDE - This application provides an apparatus for making a hydrocarbon with a reduced amount of an organic halide, comprising: 08-13-2015
20150218888WELL CONSTRUCTION GEOSTEERING APPARATUS, SYSTEM, AND PROCESS - Embodiments of a geosteering system, method of operation, and associated media are disclosed. The system includes a computing system at a facility remote from at least one rig site. The computing system includes at least one processor and computer storage medium comprising computer-executable instructions which, when executed by the at least one processor, cause performance of a method of remotely controlling steering of a drilling process at the at least one rig site. The method includes receiving a data stream from the at least one rig site, the data stream including subsurface drilling data and directional survey data. The method also includes receiving, from a user, guidance regarding directional steering of a drilling apparatus at the at least one remote rig site. The method also includes communicating the guidance to the at least one rig site via a realtime communications connection.08-06-2015
20150211362SYSTEMS AND METHODS FOR MONITORING DRILLING FLUID CONDITIONS - Systems and methods are provided for monitoring a well for unwanted formation fluid influx and unwanted drilling fluid losses during a period in which drilling operations are performed for the well. Systems include at least two transducers spaced apart along a bell nipple or riser of a well system at a position below a flow line. The transducers obtain pressure and temperature differentials and are electronically coupled to a transmitter that transmits the measurements to a computer. Methods include utilizing this data to determine properties of the fluid in the well and can be utilized for kick detection. The measurements can be taken in a continuous and real-time fashion.07-30-2015
20150203420REMOVAL OF METALS FROM LIQUID PYROLYSIS OIL - The present disclosure generally relates to removing metals from liquid-phase pyrolysis oil, such as at or near room temperatures. Specifically, some embodiments of the disclosure relate to a method and a system for removing metals from pyrolysis oil using acidic ion-exchange resins. One embodiment relates to a method for removing metals from pyrolysis oil comprising combining pyrolysis oil and an organic solvent to form a pyrolysis oil mixture and removing metal from the pyrolysis oil mixture to produce a reduced metal content pyrolysis oil mixture. The metal can then be removed by using a strongly acidic ion-exchange resin.07-23-2015
20150198266CONDUIT DISPLACEMENT MITIGATION APPARATUS INCLUDING MESH LAYERS, METHODS AND SYSTEMS FOR USE WITH SUBSEA CONDUITS - Disclosed are apparatus, systems and methods for reducing displacement of a subsea conduit such as offshore hydrocarbon production pipeline, also referred to as pipeline walking or buckling, thus reducing the need for expensive pipeline anchoring or other mitigation solutions. A movement resistor adapted to be installed on a subsea conduit is provided having an inner portion adapted to receive and securely attach to a subsea conduit and at least one resistor portion adapted to resist induced forces. The at least one resistor portion includes a mesh layer therein that allows the passage of water but does not allow the passage of soil there through. At least one movement resistor can be installed along the length of a subsea conduit.07-16-2015
20150198265CONDUIT DISPLACEMENT MITIGATION APPARATUS INCLUDING SPRINGS, METHODS AND SYSTEMS FOR USE WITH SUBSEA CONDUITS - Disclosed are apparatus, systems and methods for reducing displacement of a subsea conduit such as offshore hydrocarbon production pipeline, also referred to as pipeline walking or buckling, thus reducing the need for expensive pipeline anchoring or other mitigation solutions. A movement resistor adapted to be installed on a subsea conduit is provided having an inner portion adapted to receive and securely attach to a subsea conduit and at least one resistor portion adapted to resist induced forces. The at least one resistor portion includes a spring element therein. At least one movement resistor can be installed along the length of a subsea conduit.07-16-2015
20150185347SYSTEM AND METHOD OF MITIGATING INSTABILITIES IN A PSEUDOACOUSTIC WAVE PROPAGATOR - A method is described that includes receiving one or more seismic measurements corresponding to a plurality of source and receiver locations and providing an earth model for a geologic medium having a heterogeneous tilted symmetry axis. The earth model includes a nonzero shear velocity in the direction of the symmetry axis. The one or more seismic measurements are propagated over a plurality of time-steps in accordance with the earth model and a set of energy-conservative pseudoacoustic equations. The set of energy-conservative pseudoacoustic equations describes one or more seismic wavefields and is derived from a set of energy non-conservative pseudoacoustic equations by approximating one or more derivative terms of the one or more seismic wavefields in the set of energy non-conservative pseudoacoustic equations.07-02-2015
20150185346SYSTEM AND METHOD OF MITIGATING INSTABILITIES IN A PSEUDOACOUSTIC WAVE PROPAGATOR - A method is described that includes providing an earth model for a geologic medium having a tilted symmetry axis. The earth model includes a nonzero shear velocity in the direction of the symmetry axis for at least a subset of locations within the geologic medium. The method further includes processing seismic measurements using a set of pseudoacoustic equations applied and the earth model. The set of pseudoacoustic equations includes a first equation and a second equation describing the one or more seismic wavefields. The processing includes propagating the one or more seismic wavefields over a plurality of time-steps in accordance with the set of pseudoacoustic equations, determining whether a respective time-step of the plurality of time-steps meets predetermined criteria and, when the respective time-step meets the predetermined criteria, applying a set of constraints distinct from the earth model and the set of pseudoacoustic equations to adjust the one or more seismic wavefields.07-02-2015
20150185345SYSTEM AND METHOD FOR SEISMIC IMAGING OF A COMPLEX SUBSURFACE - A system and method for seismic imaging of a complex subsurface volume of interest may include generating partial image gathers, aligning each of the partial image gathers based on frequency-dependent phase information to created aligned partial image gathers, and stacking the aligned partial image gathers to produce a seismic image of the subsurface.07-02-2015
20150178326HYDROCARBON DATA MANAGEMENT SOFTWARE EXECUTION SYSTEM - A hydrocarbon production tracking system and method of execution are disclosed. Generally, the system includes a plurality of processing units useable to execute a hydrocarbon production tracking system application that processes and tracks historical data regarding hydrocarbon production assets via a hydrocarbon production asset database including field operations data and formulas modeling field operations an organization over a lifetime of each of a plurality of hydrocarbon production assets associated with the organization. The hydrocarbon production asset database includes at least one covering index over the assets, and the queries to the database are handled by a plurality of processing units managed by a coordinating process.06-25-2015
20150177401Method of Correcting Velocity for Complex Surface Topography - Embodiments of a method for correcting velocity models for complex topographies are disclosed herein. In general, embodiments of the method utilize velocity corrections based on geomechanical effects to correct a velocity model to take into account complex surface topographies. In particular, embodiments of the method use a nucleus strain theory to determine the velocity corrections. Further details and advantages of various embodiments of the method are described in more detail herein.06-25-2015
20150177212UNDERWATER VEHICLE AND SENSOR - Described herein is an underwater vehicle having a vehicle body with a buoyancy controller adapted to vary the buoyancy of the vehicle in order to control motion of the vehicle through an underwater environment. The vehicle further includes a sampling system and a sensor arrangement. The sampling system is adapted to sequentially sample fluid from the underwater environment at specified sampling times resulting in a sample sequence, each sample associated with a sample time and a fluid flow rate. The sensor arrangement includes a plurality of molecule sensors adapted to sense organic molecules in each respective sample of the sample sequence.06-25-2015
20150160084Passive Pressure Sensing - A pressure sensor for sensing pressure of a fluid includes a diaphragm separator having a protrusion. The pressure sensor further includes a resonator, where the protrusion is in contact with the resonator on a first side of the resonator. The protrusion is positioned to exert an imparted force onto the resonator. The pressure sensor also includes a backing diaphragm positioned on a second side of the resonator. The backing diaphragm exerts a counter force onto the resonator in response to the imparted force.06-11-2015
20150159481SYSTEM, APPARATUS, AND METHOD FOR MONITORING A SUBSEA FLOW DEVICE - A system, apparatus, and method are provided for monitoring a subsea flow device such as a subsea flowline. The apparatus generally includes a thermoelectric device that is adapted to generate electric power from a thermal potential between the subsea flow device and the surrounding seawater. A sensor that is powered by the thermoelectric device is adapted to monitor one or more characteristics of the flow device, such as temperature or strain, and provide a communication that is indicative of the characteristic. The communication may be a radiation output or an acoustic output.06-11-2015
20150153475SUBSURFACE MODELING SYSTEMS AND METHODS HAVING AUTOMATED EXTRAPOLATION OF INCOMPLETE HORIZONS - At least some of method and system embodiments extrapolate any given set of horizons to cover a specified area of interest in such a manner that the horizons are conformable to each other. An automated dual-extrapolation approach is employed, beginning with horizon extrapolations using a proportional method where possible, and following that with a horizon extrapolations using a thickness-based method. With proper selection of the extrapolation order, the set of horizons remains fully conformable. The process of deriving a structural 3D model from partial horizons in fields lacking field-wide reference horizons is facilitated, making it more feasible to fully model complex fields and correct errors in such models.06-04-2015
20150153468SYSTEM AND METHOD FOR IDENTIFYING SUBSURFACE DISCONTINUITIES FROM SEISMIC DATA - Embodiments of a system and method for identifying discontinuities in a subsurface volume of interest are disclosed herein. Embodiments utilize analysis of azimuthal variations in trim statics corrections calculated on offset groups of flattened CDP gathers to identify discontinuities.06-04-2015
20150152716Method, System and Apparatus of Erosion Resistant Filtering Screen Structures - An improved particle or sand filtering apparatus, method and system is disclosed. The apparatus may be adapted to filter particles or sand from a particle-laden hydrocarbon fluid by employing a stacked multi-layered screen in an X-Y plane and having at least one screen comprised of a plurality of first wires and a plurality of second wires that are woven. The stacked screen may be placed within a production tubing in a wellbore for the production of hydrocarbons from the wellbore. The apparatus is configured to facilitate passage of particle-laden fluid through the screen in a direction that is substantially parallel to an X-Y plane of the screen.06-04-2015
20150149089DETERMINING RESERVES OF A RESERVOIR - This disclosure provides embodiments of computer implemented methods, computing apparatuses, and other methods for determining reserves of a reservoir. For example, an embodiment of the computer implemented method includes receiving field data for a field that comprises a reservoir, wherein the field data includes pressure data and cumulative production data. The embodiment further includes generating normalized pressure values for a plurality of timestamps using time, the pressure data, and the cumulative production data. The embodiment further includes generating a normalized pressure graph, wherein the normalized pressure graph includes a normalized pressure curve of the generated normalized pressure values.05-28-2015
20150148274CONTINUOUS LITHIUM COMPLEX GREASE MANUFACTURING PROCESS WITH A BORATED ADDITIVE - A continuous process with increased production throughput of a high dropping point lithium complex grease composition comprising the steps of heating a mixture of a C05-28-2015
20150143843INTEGRATION OF A SMALL SCALE LIQUEFACTION UNIT WITH AN LNG PLANT TO CONVERT END FLASH GAS AND BOIL-OFF GAS TO INCREMENTAL LNG. - Disclosed is a method of retrofitting a full-scale LNG plant to enhance the LNG production capacity of the LNG plant and a method for operating such a retrofit plant. A small scale LNG plant having a capacity less than 2 MTPA can be integrated with a main LNG plant having a capacity of at least 4 MTPA such that end flash gas and boil off gas from the main LNG plant can be liquefied by the small scale LNG plant as incremental LNG. It has been found that the production capacity of the integrated system can be improved by increasing the temperature of the gas stream exiting the main cryogenic heat exchanger of the main LNG plant between 5° C. and 30° C. as compared with the design temperature.05-28-2015
20150140623Synthesis of Diester-Based Lubricants from Enzymatically-Directed Epoxides - The present invention is generally directed to methods of making diester-based lubricant compositions, wherein formation of diester species proceeds via esterification of epoxide intermediates, and wherein the epoxide intermediates are generated via an enzymatically-driven mechanism. In some embodiments, the methods for making such diester-based lubricants utilize a biomass precursor and/or low value (e.g., Fischer-Tropsch (FT) olefins and/or alcohols) so as to produce high value diester-based lubricants. In some embodiments, such diester-based lubricants are derived from FT olefins and fatty acids. The fatty acids can be from a bio-based source (i.e., biomass, renewable source) or can be derived from FT alcohols via oxidation.05-21-2015
20150139822Cooling Devices And Methods For Use With Electric Submersible Pumps - Cooling devices for use with electric submersible pump motors include a refrigerator attached to the end of the electric submersible pump motor with the evaporator heat exchanger accepting all or a portion of the heat load from the motor. The cooling device can be a self-contained bolt-on unit, so that minimal design changes to existing motors are required.05-21-2015
20150136646LUBRICATING BASE OIL PRODUCTION - A process is provided for producing a heavy lubricating base oil by hydrocracking a lubricating oil feedstock at high yield. The lubricating oil feedstock contains a hydroprocessed stream that is difficult to process using a conventional catalyst system. The catalyst used in the process includes a mixed metal sulfide catalyst that comprises at least one Group VIB metal and at least one Group VIII metal. The process also provides for hydroisomerization and hydrofinishing process steps to prepare the lubricating base oil.05-21-2015
20150136645METHOD FOR MAKING MIDDLE DISTILLATES AND A HEAVY VACUUM GAS OIL FCC FEEDSTOCK - The present invention is directed to a refining process for producing hydroprocessed distillates and a heavy vacuum gas oil (HVGO). The process produces middle distillates that have reduced nitrogen and sulfur content, while simultaneously producing a 900° F.05-21-2015
20150136406Subsea Intervention Plug Pulling Device - A plug pulling device includes an elongated housing comprising a production tree connection interface, a shifting tool disposed within and along a substantial length the housing and comprising a distal end configured to couple to a tubing plug, and a seal disposed within the housing and formed around a portion of the shifting tool. The seal isolates a first portion of the housing from a second portion of the housing. The second portion of the housing is adjacent to the production tree connection interface. The shifting tool is configured to move partially in and out of the first portion of the housing when there is a pressure differential between the first portion of the housing and an environment external to the first portion of the housing.05-21-2015
20150132216METHOD FOR PREPARING CHA-TYPE MOLECULAR SIEVES USING COLLOIDAL ALUMINOSILICATE AND A NOVEL OCTAHYDROINDOLIUM-BASED STRUCTURE DIRECTING AGENT - The present invention is directed to a process for preparing CHA-type molecular sieves using a colloidal aluminosilicate in the presence of a octahydroindolium-based cationic structure directing agent.05-14-2015
20150127315Apparatus and Methods For Qualifying Compositions - A test apparatus for qualifying compositions used to reduce scale deposition in fluid, e.g., wax deposition in crude oil, is disclosed. The test apparatus includes a first reservoir capable of holding a first fluid, and a second rotatable reservoir disposed within the first reservoir, the second reservoir capable of holding a second fluid. The apparatus includes a fluid inlet through which the second fluid enters the second reservoir, and a fluid outlet through which the second fluid exits the second reservoir, wherein a bottom surface of the second rotatable reservoir is configured to be at least partially submerged in the first fluid so that precipitate from the first fluid can be deposited thereon.05-07-2015
20150126789Delaminated Zeolite Catalyzed Aromatic Alkylation - Provided is a method of alkylating an aromatic compound comprising contacting an aromatic compound and an alkylating agent in the presence of UCB-3 as a catalyst under reaction conditions suitable for aromatic alkylation. The aromatic compound preferably comprises benzene or toluene and the alkylation agent preferably comprises an olefin or alcohol. Lower temperature ranges can be used for the reaction, for example in the range of from 100 to 300° C.05-07-2015
20150120197Method of Transforming Reservoir Properties to a Seismic Attribute for Hydrocarbon and Lithology Identification - Embodiments of a method for transforming petrophysical properties into seismic attributes are disclosed herein. Embodiments of the method utilize an AVO expression which maps lithology to P-wave reflectivity at a particular angle through their λ/μ values (or equivalent elastic properties K/μ and γ). Rocks with different λ/μ will be projected to the different angle and reflectivity. The equation which transforms λ/μ to reflection angle may be referred to as a Generalized Angle Transform Equation (GATE). Further details and advantages of various embodiments of the method are described in more herein.04-30-2015
20150118148NOVEL OXIDE MATERIALS AND SYNTHESIS BY FLUORIDE/CHLORIDE ANION PROMOTED EXFOLIATION - The present invention is directed to the synthesis of novel delaminated layered zeolite precursor materials prepared by fluoride/chloride anion-promoted exfoliation. The method comprises, for example, using a combination of fluoride and chloride anions at a mild pH in a non-aqueous solution to affect delamination of a layered zeolite precursor, generally comprising an organic solvent. The method may be used in conjunction with either acidification or sonication, or both. The resulting delaminated zeolite precursors are then isolated. Precursors that are then isolated lack amorphous silica content. The UCB-1 product is an example of such a novel oxide material and is obtained in yields in excess of 90% without the need for sonication.04-30-2015
20150118147NOVEL OXIDE MATERIALS AND SYNTHESIS BY FLUORIDE/CHLORIDE ANION PROMOTED EXFOLIATION - The present invention is directed to the synthesis of novel delaminated layered zeolite precursor materials prepared by fluoride/chloride anion-promoted exfoliation. The method comprises, for example, using a combination of fluoride and chloride anions at a mild pH in aqueous solution to affect delamination of a layered zeolite precursor. The method can also comprise using a combination of fluoride and chloride anions in a non-aqueous solution comprising an organic solvent. The method may be used in conjunction with either acidification or sonication, or both. The resulting delaminated zeolite precursors are then isolated. Precursors that are then isolated lack amorphous silica content. The UCB-04-30-2015
20150114635PROCESS FOR IN SITU UPGRADING OF A HEAVY HYDROCARBON USING ASPHALTENE PRECIPITANT ADDITIVES - Disclosed is a process for in situ upgrading of a heavy hydrocarbon comprising the steps of: (a) positioning a well in a reservoir containing a heavy hydrocarbon having an initial API gravity of less than or equal to about 20, an n-heptane asphaltene content as measured by the ASTM D-6560 of at least about 1 wt. %, and a viscosity at 35° C. greater than about 350 centistokes (cSt); (b) injecting one or more hydrocarbon solvents and one or more asphaltene precipitant additives into the well in any order at a ratio by volume of the solvent to the heavy hydrocarbon of at least from about 0.1:1 to about 20:1 under reservoir conditions so as to provide an upgraded hydrocarbon in the reservoir, wherein the upgraded hydrocarbon has an improved API gravity greater than the initial API gravity, a reduction in the asphaltene content, and a lower viscosity; and (c) producing the upgraded hydrocarbon from the well. The process of the present invention can be also carried out at higher temperatures such as by injecting steam with the one or more hydrocarbon solvents and the one or more asphaltene precipitant additives into the well in any order.04-30-2015
20150106019SYSTEM AND METHOD FOR REGULARIZING SEISMIC DATA - A system and method for regularizing irregularly sampled 5D seismic data by assigning each trace to a common midpoint bin and mapping each trace to an offset vector tile (OVT) with a calculated center azimuth; assembling an azimuth sector with all offsets of interest and a narrow range of the center azimuths from the OVTs; rotating the azimuth sector to align with an inline direction and a crossline dimension; selecting a subset of traces with a single crossline value to create an irregular 3D volume; regularizing the irregular 3D volume; and repeating as necessary to generate a regularly sampled seismic dataset. The regularization may include interpolation by an algorithm such as an anti-leakage Fourier interpolator. The regularly sampled seismic dataset may be used to characterize the subsurface by further processing such as tomography.04-16-2015
20150105236HYBRID FISCHER-TROPSCH CATALYSTS - Disclosed are hybrid Fischer-Tropsch catalysts containing cobalt deposited on hybrid supports. The hybrid supports contain an acidic zeolite component and a silica-containing material. It has been found that the use of the hybrid Fischer-Tropsch catalysts in synthesis gas conversion reactions results in high C04-16-2015
20150104364PROCESSES USING MOLECULAR SIEVE SSZ-96 - The present disclosure is directed to processes using a new crystalline molecular sieve designated SSZ-96, which is synthesized using a 1-butyl-1-methyl-octahydroindolium cation as a structure directing agent.04-16-2015
20150093327METHOD FOR PREPARING CHA-TYPE MOLECULAR SIEVES USING AN ALKALI METAL SILICATE PRECURSOR AND NOVEL STRUCTURE DIRECTING AGENTS - The present invention is directed to a process for preparing CHA-type molecular sieves using a colloidal aluminosilicate composition containing a cationic structure directing agent selected from the group consisting of N-cyclohexyl-N-methylpyrrolidinium, N-cyclohexyl-N-ethylpyrrolidinium, N-methyl-N-(3-methylcyclohexyl)pyrrolidinium, N-ethyl-N-(3-methylcyclohexyl)pyrrolidinium, N-methyl-N-(2-methylcyclohexyl)-pyrrolidinium, N-ethyl-N-(2-methylcyclohexyl)pyrrolidinium, and mixtures thereof.04-02-2015
20150091315Connection Fixture For Attaching To A Substantially Planar Structure And A Method For Use Thereof - Disclosed is a connection fixture capable of attaching without the use of bolts to a substantially planar structure having a plurality of vertical holes therein to be lifted to facilitate the lifting thereof. In one embodiment, the connection fixture includes first and second bracket portions capable of interlocking with one another and securely holding the substantially planar structure. In the interlocked position, the connection fixture has a pair of generally C shaped lips which surround the edges of the substantially planar structure, a pin which engages a vertical hole in the substantially planar structure, and a pair of aligned transverse holes. A shackle can be secured through the aligned transverse holes in the connection fixture.04-02-2015
20150090455Natural Gas Hydrate Reservoir Heating - A heating system for heating a natural gas hydrate reservoir. The heating system includes a fully enclosed wellbore extending through a portion of the natural gas hydrate reservoir. A heating fluid is passed through the wellbore to heat the portion of the natural gas hydrate reservoir. Additionally, a production system includes a perforated wellbore that is used to extract the natural gas hydrate water after heating.04-02-2015
20150089945HYBRID SOLAR AND FUEL-FIRED STEAM GENERATION SYSTEM AND METHOD - A method of generating steam using a combination of fuel and solar energy includes delivering liquid to a fuel-fired steam generator operating at least at partial load during a first time period, delivering liquid to a solar steam generator operating at least at partial load during a second time period, delivering saturated steam to a steam separator from at least one of the operating fuel-fired or solar steam generator, and delivering saturated vapor from the steam separator to a steam distribution system.04-02-2015
20150087872Base Oil Upgrading by Co-Feeding a Ketone or Beta-Keto-Ester Feedstock - This invention discloses a process for making high viscosity index lubricating base oils having a viscosity index of at least 110 by co-feeding a ketone or a beta-keto-ester feedstock with a lubricant oil feedstock directly to a hydrocracking unit to produce a hydrocracked stream. Then at least a portion of the hydrocracked stream is treated under hydroisomerization conditions to produce a high viscosity index lubricating base oil. The process may involve bypassing a hydrotreating or hydrofinishing step, which may result in improved efficiency and economics in producing high viscosity index lubricating base oils.03-26-2015
20150078993METHOD FOR PREPARING MWW-TYPE MOLECULAR SIEVES - The present invention is directed to a process for preparing MWW-type molecular sieves using 1,3-diisobutylimidazolium as a structure directing agent.03-19-2015
20150078992METHOD FOR PREPARING CHA-TYPE MOLECULAR SIEVES USING COLLOIDAL ALUMINOSILICATE AND NOVEL STRUCTURE DIRECTING AGENTS - The present invention is directed to a process for preparing CHA-type molecular sieves using a colloidal aluminosilicate in the presence of a cationic structure directing agent selected from the group consisting of N-cyclohexyl-N-methylpyrrolidinium, N-methyl-N-(3-methylcyclohexyl)pyrrolidinium, N-ethyl-N-(3-methylcyclohexyl)pyrrolidinium, and mixtures thereof.03-19-2015
20150075273ALTERNATIVE GAUGING SYSTEM FOR PRODUCTION WELL TESTING AND RELATED METHODS - A method for measuring a well fluid parameter includes diverting a fluid through a first loop comprising one or more fluid parameter measurement components, determining a gross flow rate of the fluid, recirculating the fluid through a second loop upon determining the gross flow rate is below a threshold amount, and measuring the fluid parameter upon the gross flow rate reaching or exceeding the threshold amount.03-19-2015
20150073185Novel Catalyst Complex and Use Thereof in Alkane Oligomerization - Provided is a Group 9 novel metal catalyst complex further comprising a ketone-containing cocatalyst. The metal catalyst complex is useful in generating olefins from alkanes with great efficiency. In one embodiment, provided is an iridium catalyst complex useful in the dehydrogenation of alkanes comprising a ketone-containing cocatalyst and iridium complexed with a tridentate ligand. Also provided is a novel dehydrogenation method which utilizes the catalyst composition. In other embodiments, a novel process for preparing oligomers from alkanes utilizing the catalyst composition is provided.03-12-2015
20150070186System and Method For Remote Sensing - A system, method and device may be used to monitor conditions in a borehole. Well tubing and casing act as a conductive pair for delivering power to one or more downhole active sensors. At the surface, power and signal are isolated so that the same conductive pair may act to transmit the sensor signals to the surface. In an embodiment, the sensor signals are RF signals and the surface electronics demodulate the RF signals from the sensor power.03-12-2015
20150068952TWO-STAGE HYDROCRACKING PROCESS FOR MAKING HEAVY LUBRICATING BASE OIL FROM A HEAVY COKER GAS OIL BLENDED FEEDSTOCK - The present invention is directed to a refining process for producing heavy lubricating base oils (LBO) from a blended hydrocarbonaceous feedstock containing a heavy coker gas oil, a visbroken gas oil, heavy cycle oil, oils from residue hydrocracking, aromatic extract or any other feedstock normally not conducive to lube oil basestock production, using a two-stage hydrocracking process.03-12-2015
20150066461METHODS AND SYSTEMS FOR HISTORICAL, GEOLOGICAL MODELING TO PRODUCE AN ESTIMATED DISTRIBUTION OF HYDROCARBONS TRAPPED IN SUBSURFACE CLATHRATES - Methods and systems for historical, geological modeling for producing an estimated distribution of hydrocarbons trapped in subsurface clathrates are disclosed. One method includes instantiating a basin model of a geological area of interest, and, for each of a plurality of predetermined geological times up to a geologic present day: determining one or more changes to the basin model, calculating, at each of a plurality of locations within the basin model, a temperature and a pressure, determining an existence and a location of a clathrate stability zone based on the calculated temperatures and pressures, and estimating one or more clathrate concentrations and hydrocarbon volumes in the clathrate stability zone. The method further includes calibrating a present day clathrate concentration and hydrocarbon volume derived from the basin model against calibration data obtained from one or more locations within the geological area of interest, thereby providing a model of the present day clathrate concentration and hydrocarbon volume at each of the plurality of locations.03-05-2015
20150066450UNIFIED APPLICATION FRAMEWORK FOR FINITE-DIFFERENCE MODELING - A finite difference wavefield modeling framework decouples the tasks of physical modeling and hardware-software optimization through the use of a platform-agnostic intermediate representation in the form of a dataflow graph. In at least some embodiments a wavefield simulation method includes specifying a kernel of operations to be applied at each point in a space and representing the kernel as a platform-agnostic dataflow graph. For each of multiple implementation platforms, the method further includes: deriving from the platform-agnostic graph a customized graph for the implementation platform; translating the customized graph into configuration information for the implementation platform; supplying the configuration information to the implementation platform to obtain a wavefield simulator; and employing the wavefield simulator to repeatedly apply said kernel of operations to each point in the space with specified input or output signals.03-05-2015
20150053423STUFFING BOX ISOLATION APPARATUS AND METHODS OF USING - A stuffing box isolation apparatus and method for use with a stuffing box at a wellhead. The stuffing apparatus includes an anchor component that secures the apparatus within the stuffing box, when inserted into an open bore of a stuffing box. The apparatus further includes a sealing element that is expandable to sealingly engage an inner surface of the stuffing box. The expansion of the sealing element effectively seals the open bore of the stuffing box, preventing release of wellbore fluids and/or back-flow of the produced fluids.02-26-2015
20150053410SYSTEM, APPARATUS AND METHOD FOR WELL DELIQUIFICATION - Embodiments of an apparatus, a system, and a method are provided for deliquification of a production well. The apparatus can be a production tube that receives produced fluid from a subterranean reservoir and provides a pathway for transmission of the produced fluid to a surface location. The production tube includes a nozzle disposed therewithin and an opening positioned proximate to the nozzle through which a foaming agent is introduced into the production tube. The nozzle has a first end that defines an inlet, a second end distal to the first end that defines an outlet, and a passageway extending between the first end and the second end such that the produced fluid received by the inlet is delivered to the outlet. The passageway defines a region of decreased cross-sectional area that agitates the produced fluid passing through the nozzle thereby increasing mixing of the foaming agent.02-26-2015
20150053406PRE-TENSING SECTIONS OF CONCENTRIC TUBULARS - A method for pre-tensing sections of concentric tubulars in a wellbore. The method can include mechanically coupling an inside tubing pipe to an inside tubing string disposed in the wellbore. The method can also include mechanically coupling a second tubing to a second tubing string disposed in the wellbore. The method can further include suspending, by the first tubing, the first tubing, the first tubing string, the second tubing string, and the second tubing. The method can also include inserting, while suspending the first tubing, the first tubing string, the second tubing string, and the second tubing by the first tubing, a first slip into the first space between the first tubing and the second tubing. The method can further include inserting the first tubing, the first tubing string, the second tubing string, the second tubing, and the first slip further into the wellbore.02-26-2015
20150052804DIESEL FUEL COMPOSITION - A fuel composition is disclosed comprising a major amount of hydrocarbons boiling in the diesel range and an effective deposit-controlling amount of at least one stability additive or at least one antioxidant additive or mixtures thereof, and wherein the fuel composition contains no more than 30 ppm of active detergent additive or active dispersant additive or mixtures thereof.02-26-2015
20150051838SYSTEM AND METHOD OF DETERMINING AND OPTIMIZING WATERFLOOD PERFORMANCE - A system and method of map based assessment of waterflood are provided. The method includes generating a water injection influence (WII) map by mapping one or more connectivity parameters derived from a capacitance resistance model; calculating a recovery factor (RF) and pore volumes injected (PVI) for each injector influence region in one or more influence regions defined from the connectivity parameters; determining a maximum of the recovery factor versus the pore volume injected using a curve fit extrapolation; determining a volume of injection water needed or a number of injectors needed based on recovery factor versus pore volumes injected; calculating a voidage replacement ratio (VRR) within each injector influence region; determining a target voidage replacement ratio by selecting an average voidage replacement ratio with a most recent interval of time; and determining a number of infill wells with drilling schedule to maintain the determined target voidage ratio.02-19-2015
20150038598SYSTEM, PROCESS AND REACTOR FOR CONDUCTING A SYNTHESIS GAS CONVERSION REACTION - A synthesis gas conversion process and system are disclosed. Fresh syngas from a methane reformer is used as a sweep zone gas feed which is caused to flow across a water permselective membrane in a membrane reactor. The water permselective membrane is adjacent a synthesis gas conversion reaction zone in which synthesis gas is contacted with a catalyst and converted to effluent including water. Water is removed from the reaction zone through the membrane and passes out of the reactor with the sweep zone gas. The water is then removed from the sweep zone gas forming a modified gas feed which is fed to the reaction zone. The modified gas feed has a preferred H02-05-2015
20150037171ELECTRIC SUBMERSIBLE PUMP HAVING A PLURALITY OF MOTORS OPERATIVELY COUPLED THERETO AND METHODS OF USING - A downhole electric submersible pump system includes a plurality of motors operatively coupled on a common shaft with an electric submersible pump and a downhole switch mechanism for providing an electrical circuit to each motor of the plurality of motors, wherein the downhole switch mechanism allows power to be delivered to at least one motor. A downhole switch mechanism located in a wellbore, the downhole switch mechanism including an electrical power input for receiving power from an electrical cable and at least two electrical power outputs connected to at least two motors operatively coupled with one or more electric submersible pumps, wherein the downhole switch mechanism is actuated from the surface via the electrical cable and allows power to be delivered to at least one motor of the at least two motors coupled with the one or more electric submersible pumps. A method is also provided.02-05-2015
20150032426SYSTEM AND METHOD FOR ESTIMATING A RESERVOIR PARAMETER USING JOINT STOCHASTIC INVERSION OF MULTISOURCE GEOPHYSICAL DATA - A system and a method for estimating a reservoir parameter are provided. The method includes calculating a plurality of priors using a Markov random field, the plurality of priors comprising probability distributions of a plurality of litho-types; calculating posterior distributions based on the priors, the posterior distribution depending upon measured geophysical data, geophysical attributes and reservoir parameters; and determining at least a portion of litho-types in the plurality of litho-types that correlate most with the measured geophysical data.01-29-2015
20150032378PREDICTING INTERBED MULTIPLES IN SEISMIC DATA USING BEAM DECOMPOSITION - A method of attenuating interbed multiples in multiply-reflected seismic waves is performed at a computer system, the method comprising: providing multiple beams of seismic data and an earth model related to a geological volume; selecting one of the beams as an input beam associated with a pair of source and detector located near a top surface of the geological volume; determining at least one of (i) a source-side stationary pegleg arrival and a corresponding detector-side primary beam and (ii) a detector-side stationary pegleg arrival and a corresponding source-side primary beam; predicting an interbed multiples beam using at least one of (i) the detector-side primary beam delayed by the source-side stationary pegleg arrival and (ii) the source-side primary beam delayed by the detector-side stationary pegleg arrival; and deconvolving the predicted interbed multiples beam with the input beam to remove at least a portion of interbed multiples present in the input beam.01-29-2015
20150032377SYSTEM AND METHOD FOR REMAINING RESOURCE MAPPING - A method for mapping remaining hydrocarbon resources in a subsurface reservoir, includes generating a pressure depletion map of the subsurface reservoir based on a pressure depletion dataset representing a pressure change in at least one well over a time interval, obtaining a hydrocarbon pore thickness map of the subsurface reservoir based on a hydrocarbon pore thickness dataset representing hydrocarbon pore thickness substantially at a beginning of the time interval, using the pressure depletion map and the hydrocarbon pore thickness map, generating a remaining resource map of the subsurface reservoir, for each of a plurality of infill wells located in the subsurface reservoir and operated during a portion of the time interval, determining an estimated ultimate recovery value, using each estimated ultimate recovery value with data from the remaining resource map for the locations of the infill wells to determine a correlation, and using the correlations and the remaining resource map, evaluating a location for a proposed infill well.01-29-2015
20150030465METHODS AND SYSTEMS FOR REAL-TIME MONITORING AND OPTIMIZING THE PERFORMANCE OF RECIPROCATING COMPRESSORS - Disclosed are systems and methods for monitoring the performance of a plurality of reciprocating compressors having components made by at least two different manufacturers. A source of reciprocating compressor data associated with a plurality of reciprocating compressors and a source of reciprocating compressor component specifications associated with the plurality of reciprocating compressors are in communication with a computer processor. The computer processor obtains at least one measured value from the source of reciprocating compressor data and at least one specification value from the source of reciprocating compressor component specifications, performs at least one calculation using the at least one measured value and the at least one specification value to calculate at least one calculated performance value, compares the at least one calculated value to a user-defined calculated value limit selected from the group consisting of an upper alarm limit, a lower alarm limit, an upper deviation limit, a lower deviation limit, a maximum value, a minimum value and combinations thereof, and initiates an alert to a user of any calculated value exceeding the user-defined calculated value limit every user-defined period of time.01-29-2015
20150027717Process For Subsea Deployment of Drilling Equipment - An apparatus, system and process for deployment of subsea drilling equipment through a moon pool of a drilling vessel is disclosed. The drilling equipment may include a subsea mudlift pump (MLP) that is configured to be deployed below the surface of the ocean and is adapted for conducting dual gradient drilling (DGD) operations. In the apparatus and process, the MLP may be suspended temporarily aboard the vessel by a holding mechanism. The MLP may be combined first with a lower marine riser package (LMRP) prior to suspension of the MLP and/or MLP/LMRP aboard the drilling vessel. An equipment combination, comprising at least a MLP and a LMRP, may be with a BOP, the mating occurring at a position below the surface of the ocean. In one aspect, the BOP may be separately deployed into the ocean, and then subsequently mated subsea with the LMRP and/or a MLP/LMRP combined equipment package.01-29-2015
20150025869System and Method of Implementing Finite Difference Time Domain Models with Multiple Accelerated Processing Components (APCs) - Embodiments of a method for implementing a finite difference time domain modeling with multiple APCs are disclosed herein. The disclosed methods and systems overcome the memory capacity limitation of APCs by having each APC perform multiple timesteps on a small piece of the computational domain or data volume in a APC queued manner. The cost of transferring data between host and compute accelerator can then be amortized over multiple timesteps, greatly reducing the amount of PCI bandwidth required to sustain high propagation speeds. The APC queued nature of the algorithm achieves linear scaling of PCI throughput with increasing number of APCs, allowing the algorithm to scale up to many dozens of APCs in some embodiments.01-22-2015
20150025285REGENERATION OF OLEFIN TREATING ADSORBENTS FOR REMOVAL OF OXYGENATE CONTAMINANTS - Processes for eliminating oxygenates and water from a light hydrocarbon processing system, wherein oxygenates are removed from a light hydrocarbon stream by adsorption of the oxygenates on an oxygenate adsorption unit to provide a deoxygenated hydrocarbon stream, the oxygenate adsorption unit is regenerated via a regenerant stream to provide an oxygenated regenerant stream comprising the oxygenates, and the oxygenated regenerant stream is subjected to hydro-deoxygenation to convert the oxygenates into paraffins and water, wherein the water may also be permanently removed from the system.01-22-2015
20150025284OXYGENATE REMOVAL FROM LIGHT HYDROCARBON PROCESSING - Processes for eliminating water and oxygenates from a light hydrocarbon processing system, wherein oxygenates are removed from a light hydrocarbon stream by adsorption of the oxygenates on a primary oxygenate adsorption unit to provide a deoxygenated hydrocarbon stream, the primary oxygenate adsorption unit is regenerated via a first regenerant stream to provide an oxygenated first regenerant stream, the oxygenated first regenerant stream is deoxygenated via a secondary oxygenate adsorption unit, and the secondary oxygenate adsorption unit is regenerated via a second regenerant stream to provide an oxygenated second regenerant stream for permanent removal from the system.01-22-2015
20150023564SYSTEM AND METHOD FOR ESTIMATING POROSITY DISTRIBUTION IN SUBTERRANEAN RESERVOIRS - A system and method for estimating porosity distribution in a region of interest of a geologic formation from a resistivity image log representative of the geologic formation is disclosed. A normalization factor representative of a rock matrix based on a first resistivity value and an image point factor based on a second resistivity value are calculated and compared to identify points in the resistivity image log that correspond to the secondary porosity. The normalization factor and image point factor are recalculated based on a different first resistivity value and a different second resistivity value as necessary to identify additional points in the resistivity image log that correspond to the secondary porosity until a termination criterion is met. The method may further include a porosity calibration operation and one or more artifact corrections.01-22-2015
20150013993DOWNHOLE CONSTRUCTION OF VACUUM INSULATED TUBING - A method for adjusting a pressure within a wellbore. The method can include inserting a first tubing into the wellbore. The method can also include mechanically coupling a bottom coupling feature of a multiple connection bushing to the first tubing. The method can further include mechanically coupling a second tubing to a first top coupling feature of the multiple connection bushing. The method can also include mechanically coupling a third tubing to a second top coupling feature of the multiple connection bushing, where the third tubing has an inner diameter that is greater than an outer diameter of the second tubing. The method can further include inserting the multiple connection bushing, the second tubing and the third tubing into the wellbore. The method can also include adjusting the pressure within a space between the second tubing, the third tubing, and the multiple connection bushing.01-15-2015
20140379262METHOD OF QUANTIFYING HYDROTHERMAL IMPACT - Methods for quantifying a hydrothermal impact on a stratigraphic unit are disclosed herein. In particular, the described methods may be used to quantify hydrothermal anomalies of a stratigraphic unit of a geological reservoir, where porosity reduction in the stratigraphic unit would have been accelerated some point or points in the past. Embodiments of the method generally comprise (a) receiving first data indicative of a reservoir temperature associated with the stratigraphic unit, (b) receiving second data indicative of estimates of the trapping temperatures associated with a plurality of fluid inclusions in a sample of the stratigraphic unit, (c) generating comparison data indicative of a comparison between the first data and the second data, and (d) generating based on the comparison data an impact parameter indicative of a hydrothermal impact on the stratigraphic unit.12-25-2014
20140373603Reducing False Alarms with Multi-modal Sensing for Pipeline Blockage - A detection system and method of operation are disclosed. The system includes a first sensor coupled to a pipe associated with a pump and generates temperature data associated with a temperature of the pipe. The system includes a second sensor positioned within an acoustic sensing distance from the pump and that generates sound data associated with a sound of the pump. The system includes a processing device configured to execute data instructions to store a baseline temperature signature and a baseline acoustic signature, and receive the temperature data from the first sensor and the sound data from the second sensor. The processing device is configured to, based on (1) a determination that flow through the pipe is reduced by comparing temperature data to the baseline temperature signature, and (2) a determination that the pump remains operational based on comparing the acoustic data to the baseline acoustic signature, generate an indication that the pipe is blocked.12-25-2014
20140371496SOLVENT-ENHANCED BIOMASS LIQUEFACTION - The present invention provides an improved method for solvent liquefaction of biomass to produce liquid products such as transportation fuel. The method uses a novel solvent combination that promotes liquefaction relatively quickly, and it reduces the need to transport large amounts of hydrogen or hydrogen-carrying solvents. It operates at lower pressure than previous methods, does not require a catalyst or hydrogen gas or CO input, and provides very high conversion of biomass into a bio-oil that can be further processed in a petroleum refinery. It also beneficially provides a way to recycle a portion of the crude liquefaction product for use as part of the solvent combination for the biomass liquefaction reaction.12-18-2014
20140371105MERCURY SENSOR FOR DETECTING, DIFFERENTIATING, AND MEASURING ORGANIC AND INORGANIC MERCURY COMPOUNDS - The invention relates to a sensor assembly to detect and quantify organic and/or inorganic mercury compounds, including elemental mercury that may be present in gases or liquids, such as natural gas, air, condensates, crude oil, refined petroleum gas or liquids, and water including connate water, condensed water and water containing hydrate inhibitor(s). The sensor assembly includes a housing having a flow channel defined by an inlet, a sensor array, and an outlet. The sensor array is based on the differential sorption properties measured using a surface acoustic wave (SAW) sensor array, a chemiresistor array, or a combination of the two.12-18-2014
20140358510SYSTEM AND METHOD FOR CHARACTERIZING UNCERTAINTY IN SUBTERRANEAN RESERVOIR FRACTURE NETWORKS - A system and method for characterizing uncertainty in a subterranean fracture network by obtaining a natural fracture network, obtaining dynamic data, simulating hydraulic fracturing and microseismic events based on the natural fracture network and the dynamic data, generating a stimulated reservoir volume (SRV), and quantifying the uncertainty in the SRV. It may also include narrowing the uncertainty in the SRV through the use of Design of Experiment methods and characterizing the SRV using static and/or dynamic data.12-04-2014
20140358440System and Method For Characterizing Geological Systems Using Statistical Methodologies - Geological systems are automatically categorized based on one or more characteristics. Datasets from one or more sources related to a space of a geological system are transformed, cropped and analyzed using lacunarity-based statistical methodologies. The one or more analyzed datasets describe characteristics of the transformed dataset within the space of the geological system. The characteristics of the distribution of the transformed dataset are compared with one or more characteristics of one or more previously categorized geological systems. The space within the geological system is categorized based upon an indication that the characteristics of the transformed data set of the space within the geological system is similar to the characteristics of one or more previously categorized geological systems.12-04-2014
20140357915METHOD FOR REDUCING ORGANIC HALIDE CONTAMINATION IN HYDROCARBON PRODUCTS USING A METAL CHLORIDE - We provide a catalytic process to reduce an organic halide in a hydrocarbon, comprising: 12-04-2014
20140356280Delamination of Borosilicate Layered Zeolite - Provided is a surfactant-free, single-step synthesis of delaminated aluminosilicate zeolites. The process comprises the step of heating a borosilicate zeolite precursor in a metal salt solution, e.g., an aluminum nitrate solution, zinc nitrate solution or manganese nitrate solution. The delaminated aluminosilicate zeolite product is then recovered from the solution.12-04-2014
20140350321PROCESS AND APPARATUS FOR SAFE DISPOSAL OF USED IONIC LIQUID CATALYST - We provide a process and apparatus for preparing a used ionic liquid catalyst for safe disposal, comprising hydrolyzing the used ionic liquid catalyst comprising an anhydrous metal halide with a basic solution at a temperature from −20° C. to 90° C. to produce a hydrolyzed product, evolve a hydrogen halide gas, and dissolve the hydrogen halide gas into the basic solution.11-27-2014
20140348729PROCESS FOR SEPARATING AND RECOVERING METALS - A process for treating spent catalyst containing heavy metals, e.g., Group VIB metals and Group VIII metals is provided. In one embodiment after deoiling, the spent catalyst is treated with an ammonia leach solution under conditions sufficient to dissolve the group VIB metal and the Group VIII metal into the leaching solution, forming a leach slurry. After solid-liquid separation to recover a leach solution, chemical precipitation and solids repulping is carried out to obtain an effluent stream containing ammonium sulfate (Amsul), ammonium sulfamate, Group VB, Group VIB and Group VIII metals. Following sulfidation, the Group VIII metal is fully removed and Group VB and Group VI metals are partially removed from the Amsul stream. In the additional steps of oxydrolysis and iron precipitation, an effective amount of ferric ion at a pre-select pH is added to form insoluble complexes with the Group VB and Group VIB metals, which upon liquid-solid separation produces an effluent ammonium sulfate stream containing less than 10 ppm each of the Group VB and Group VIB metals.11-27-2014
20140345872LASER ASSISTED SYSTEM FOR CONTROLLING DEEP WATER DRILLING EMERGENCY SITUATIONS - There is provided a high power laser riser blowout preventer system and controller for operation thereof. The system utilizes high power laser cutters that are associated with the riser and the blowout preventer to provide an integrated operation to quickly weaken or cut tubulars to address potential emergency and emergency situations that can arise during deep sea drilling.11-27-2014
20140343175PROCESSES AND SYSTEMS FOR SYNTHESIS GAS CONVERSION USING A HYBRID FISCHER-TROPSCH CATALYST IN A COMPACT HEAT EXCHANGE REACTOR - Disclosed are a process and a system for synthesis gas conversion. The process includes contacting a synthesis gas feed of hydrogen and carbon monoxide having a H11-20-2014
20140342961DIESTER-BASED ENGINE OIL FORMULATIONS WITH IMPROVED LOW NOACK AND COLD FLOW PROPERTIES - The present invention is generally directed to diester-based multi-grade engine oil formulations. The diesters employed have a number a performance benefits in lubricant applications—among them: biodegradability, extreme temperature performance, oxidative stability, solubility for additives and deposit and sludge precursors, flash and fire points. However, ester usage in lubricants has been quite limited due to their high cost. We utilize new proprietary diesters, structurally different from traditional diesters, which are made from fatty acids and alpha olefins in simple processing steps, yet feature performance similar to more traditional lubricant esters.11-20-2014
20140342960BASE OIL BLEND UPGRADING PROCESS WITH A DIESTER BASE OIL TO YIELD IMPROVED COLD FLOW PROPERTIES AND LOW NOACK - The present invention is generally directed to diester-based base oils and base oil blends with improved cold flow properties and improved Noack. The diesters employed have a number a performance benefits in lubricant applications—among them: biodegradability, extreme temperature performance, oxidative stability, solubility for additives and deposit and sludge precursors, flash and fire points. However, ester usage in lubricants has been quite limited due to their high cost. We utilize new proprietary diesters, structurally different from traditional diesters, which are made from fatty acids and alpha olefins in simple processing steps, yet feature performance similar to more traditional lubricant esters.11-20-2014
20140342959DIESTER-BASED BASE OIL BLENDS WITH IMPROVED COLD FLOW PROPERTIES AND LOW NOACK - The present invention is generally directed to diester-based base oils and base oil blends with improved cold flow properties and improved Noack. The diesters employed have a number a performance benefits in lubricant applications—among them: biodegradability, extreme temperature performance, oxidative stability, solubility for additives and deposit and sludge precursors, flash and fire points. However, ester usage in lubricants has been quite limited due to their high cost. We utilize new proprietary diesters, structurally different from traditional diesters, which are made from fatty acids and alpha olefins in simple processing steps, yet feature performance similar to more traditional lubricant esters.11-20-2014
20140340082Formation Core Sample Holder Assembly And Testing Method For Nuclear Magnetic Resonance Measurements - A core sample holder assembly for performing a laboratory magnetic resonance measurement of a core sample taken from a hydrocarbon containing formation is provided. The assembly comprises a pressure chamber provided by a hull and one or more flanges are sealingly coupled with the hull. A flexible core sample holder sleeve is arranged within the pressure chamber and is sealingly coupled with at least one of the flanges. An overburden fluid injection port is in fluid communication with an annular space between the hull and the flexible sleeve and is configured to inject overburden fluid into an annular space between the hull and the flexible sleeve. A pressure regulator is configured to maintain the overburden fluid in the annular space at an elevated pressure. A radio-frequency antenna, within the pressure chamber and wrapped around the sample holder sleeve, is configured to receive an electromagnetic-signal from the core sample. In use, the core sample is arranged substantially within the sleeve.11-20-2014
20140336286Modified Fischer-Tropsch Monolith Catalysts and Methods For Preparation and Use Thereof - Disclosed are hybrid synthesis gas conversion catalysts containing at least one Fischer-Tropsch component and at least one acidic component deposited on a monolith catalyst support for use in synthesis gas conversion processes and methods for preparing the catalysts. Also disclosed are synthesis gas conversion processes in which the hybrid synthesis gas conversion catalysts are contacted with synthesis gas to produce a hydrocarbon product containing at least 50 wt % C11-13-2014
20140331952METHOD FOR INCREASING THE MAXIMUM OPERATING SPEED OF AN INTERNAL COMBUSTION ENGINE OPERATED IN A LOW TEMPERATURE COMBUSTION MODE - Disclosed herein is a method for increasing the maximum operating speed of an internal combustion engine operated in a low temperature combustion ignition mode, the method comprising operating the engine with a fuel composition comprising (a) gasoline having a Research Octane Number (RON) greater than 85 and (b) one or more cetane improvers.11-13-2014
20140330523METHOD OF ENHANCING FLAT SPOTS IN THREE-DIMENSIONAL SEISMIC INTERPRETATION - Embodiments of a method for enhancing flat spots in 3D seismic interpretation are disclosed herein. Embodiments of the method generally involve an operation of horizontally stacking (summing) traces within a user defined elongate area. The user may define the size and shape of the elongate area. In addition, the elongate area may be automatically aligned to a user defined axis such as without limitation, the structure strike. By aligning an elongate area operator with a selected or user selected axis, and with appropriate choice of axis length, it is possible to constrain the stacking operation within geologic strata, allowing the user to image even narrow flat events that wrap around a subterranean structure. Further details and advantages of various embodiments of the method are described in more detail herein.11-06-2014
20140328454SYSTEM AND METHOD FOR DETERMINING AN ORIENTATION OF RESERVOIR GEOBODIES FROM UNORIENTED CONVENTIONAL CORES - A system and method for determining an orientation of a reservoir feature from an unoriented core. The method includes selecting an arbitrary inclined plane in a longitudinal or transverse cross sectional CT scan image of the unoriented core; flattening the inclined plane by realigning all voxels within a volume of the unoriented core so as to obtain a horizontal plane in a realigned core; selecting a transverse cross sectional CT scan image of the realigned core where a desired feature is present; determining a correcting angle to be added to an angle of a flat-bed contact plane of the realigned core relative to a reference mark in the realigned core to obtain a correct inclination angle relative to compass map coordinates; determining a first angle between a direction perpendicular to the feature relative to the reference mark; and determining a second angle by adding the correcting angle to the first angle.11-06-2014
20140326463SYSTEM AND METHOD FOR WATERFLOODING OFFSHORE RESERVOIRS - A mobile water injection system and method for performing waterflooding in offshore reservoirs, and more particularly to enhance oil recovery in marginal offshore reservoirs is disclosed. The mobile water injection system and method include portable equipment, including a submersible pump to recover water from a body of water, a water storage tank, filtration and chemical treatment equipment to treat the recovered water, and an injection pump to pump the treated water at high pressure into the reservoir such that the residual oil is driven to adjacent production wells to increase oil recovery.11-06-2014
20140311885COKE DRUM QUENCH PROCESS - Processes for quenching coke in a coke drum of a delayed coker unit that more thoroughly cool the coke, eliminate hot spots in the coke bed, and remove residual hydrocarbons from the coke prior to venting the coke drum may comprise a ramp quench phase and a pressure quench phase after the ramp quench phase. During the ramp quench phase, the coke drum internal pressure may rise to a maximum pressure level and then fall to a transitional pressure level. At least one control valve may be actuated at the transitional pressure level to increase the coke drum internal pressure from the transitional pressure level to a pulsed pressure level of the pressure quench phase.10-23-2014
20140303051LUBRICATING GREASE COMPOSITION - A lubricating grease composition for extra heavy duty extreme pressure applications comprises a major amount of a synthetic base oil a lithium complex thickener, at least one extreme pressure agent; and at least 5 wt. % of molybdenum disulfide, based on a total weight of the lubricating grease composition.10-09-2014
20140299756SYSTEM AND METHOD FOR PROVIDING A REPLENISHABLE RECEPTACLE FOR TAGGER AND/OR TRACER MATERIAL IN A WELLBORE - This disclosure relates to systems and methods associated with a replenishable receptacle for tagger and/or tracer material in a wellbore. The system may include a receptacle configured to contain tracer material and release tracer material into fluid flowing in a wellbore responsive to the fluid flowing adjacent to the receptacle, The tracer material includes a distinctive element or chemical configured to facilitate determining information associated with movement of fluid in the wellbore. A rate of the release of the tracer material may be related to a rate of flow of the fluid in the wellbore. The receptacle may be further configured to be refilled with tracer material responsive to the tracer material contained by the receptacle being depleted. Refilling the receptacle may be performed via one or more of a wireline, a coiled tubing, a tractor, a robot, a work-string and/or tubing from a light intervention vessel, and/or other approaches.10-09-2014
20140299558WATER DECANTING BARREL - Processes and apparatus for rapidly and efficiently removing liquid from a catalyst slurry comprising catalyst particles. A decanting barrel for dewatering the catalyst slurry may comprise a barrel body having a perforated portion, a reservoir in fluid communication with the perforated portion, and an evacuation conduit in fluid communication with the reservoir. In a process for removing the liquid from the catalyst slurry, the decanting barrel may be disposed in a container, the catalyst slurry may be added to the container, the liquid may be transferred from the catalyst slurry to the reservoir via the perforated portion of the barrel body, and the liquid may be removed from the reservoir via the evacuation conduit.10-09-2014
20140299322CONTROLLING PRESSURE DURING PERFORATING OPERATIONS - A method for controlling pressure in a wellbore during a perforating operation is disclosed. The method can include positioning a perforating tool within the wellbore, where the perforating tool comprises a gun and an energetic chamber. The method can also include igniting an energetic within the energetic chamber to generate a propellant. The method can further include igniting at least one charge within the gun, where the at least one charge is ignited toward a wall of the wellbore adjacent to the gun. The method can also include directing the propellant from the energetic chamber into the gun.10-09-2014
20140291206CATALYTIC PROCESSES AND SYSTEMS FOR BASE OIL PRODUCTION USING ZEOLITE SSZ-32X - Processes and catalyst systems are provided for dewaxing a hydrocarbon feedstock to form a lubricant base oil. A layered catalyst system of the present invention may comprise a first hydroisomerization dewaxing catalyst disposed upstream from a second hydroisomerization dewaxing catalyst. Each of the first and second hydroisomerization dewaxing catalysts may be selective for the isomerization of n-paraffins. The first hydroisomerization catalyst may have a higher level of selectivity for the isomerization of n-paraffins than the second hydroisomerization dewaxing catalyst. At least one of the first and second hydroisomerization dewaxing catalysts comprises small crystallite zeolite SSZ-32x.10-02-2014

Patent applications by Chevron U.S.A. Inc.

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