Patents Assigned to Chevron U.S.A. Inc.
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Patent number: 11466230Abstract: A process is provided for removing organic chlorides from glyceride oil. The process includes the steps of (a) reacting a glyceride oil comprising organic chlorides with a liquid aqueous system at a temperature of at least 80° C. to form a treated glyceride oil and (b) separating the treated glyceride oil from the liquid aqueous system. The treated glyceride oil has a reduced concentration of organic chlorides compared to the glyceride oil reacted in step (a).Type: GrantFiled: May 20, 2021Date of Patent: October 11, 2022Assignee: CHEVRON U.S.A. INC.Inventors: Lin Li, Michelle K. Young
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Patent number: 11465122Abstract: The present disclosure is directed to a method for making a MER framework type zeolite, a MER framework type zeolite having a stick-like morphology, and processes for the selective separation of carbon dioxide (CO2) from multi-component feedstreams containing CO2 using the zeolite.Type: GrantFiled: March 30, 2020Date of Patent: October 11, 2022Assignee: Chevron U.S.A. Inc.Inventor: Dan Xie
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Patent number: 11454733Abstract: A method is described for analysis of subsurface data including the use of physics-based modeling and experimental design that allows calculation of probabilities of physical subsurface properties. The method may include calculations of key controlling parameters. The method may include using multiple dimension scaling. The method may be executed by a computer system.Type: GrantFiled: November 25, 2019Date of Patent: September 27, 2022Assignee: Chevron U.S.A. Inc.Inventors: Tao Sun, Brian J. Willis, Maisha L. Amaru, Ashley D. Harris, Morgan David Sullivan
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Patent number: 11441085Abstract: Provided in one embodiment is an improved and more flexible process for preparing a finished base oil or a white oil product comprising passing a dewaxed base oil product to a distillation column and separating the dewaxed base oil product into fuel and base oil product streams. The base oil product streams are tested to determine if they meet desired specifications. Base oil product streams that meet the desired minimum base oil specifications are passed to a hydrofinishing reactor to prepare a white oil product, or passed to direct sale.Type: GrantFiled: December 30, 2020Date of Patent: September 13, 2022Assignee: Chevron U.S.A. Inc.Inventors: Kenny Peinado, Jay Parekh, Jifei Jia, Yihua Zhang, Guan-Dao Lei, Guang Zhang
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Patent number: 11442974Abstract: Responsive to a selection of a well (e.g., offset well), information coupled to the well may be obtained. Information coupled to the well may include structured information and unstructured information. A merged view of the obtained information may be presented. The merged view may provide a view of the structured information and the unstructured information organized according to a predefined presentation format and may facilitate analysis of the well (e.g., analysis of the offset well in planning a new well).Type: GrantFiled: October 30, 2020Date of Patent: September 13, 2022Assignee: Chevron U.S.A. Inc.Inventors: Devanand Ramchune, Ievgenii Froimson, Shana Bolen
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Patent number: 11441709Abstract: A restraint system configured to stabilize catalyst loading tubes. The restraint system includes a first restraint that has a first collar portion and a second collar portion. The restraint system further includes a first fastener configured to attach the first collar portion to a first tube segment and a second fastener configured to attach the second collar portion to the first tube segment. The restraint system also includes a first linkage having a first end and a second end, and a second linkage having a first end and a second end. The restraint system includes a second restraint having a third collar portion and a fourth collar portion. The restraint system further includes a third fastener and a fourth fastener. The first ends of the first and second linkage couple to the first restraint and the second ends of the first and second linkage couple to the second restraint.Type: GrantFiled: January 20, 2021Date of Patent: September 13, 2022Assignee: CHEVRON U.S.A. INC.Inventors: Albert E. Butterfield, IV, Christopher Robert Oliver, Anthony Colgan Mullek, Gregory Alexander Mullek
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Patent number: 11441477Abstract: Disclosed is a lubricating engine oil composition for use in down-sized boosted engines comprising a lubricating oil base stock as a major component, and at least one silane-containing compound. Also disclosed is a method for preventing or reducing low speed pre-ignition in a direct injected, boosted, spark ignited internal combustion engine, and the use of at least one silane-containing compound in a lubricating engine oil composition for preventing or reducing low speed pre-ignition in a direct injected, boosted, spark ignited internal combustion engine.Type: GrantFiled: May 9, 2019Date of Patent: September 13, 2022Assignees: CHEVRON ORONITE COMPANY LLC, CHEVRON U.S.A. INC.Inventors: John Robert Miller, Richard Eugene Cherpeck, Ian G. Elliott, Theresa Liang Gunawan, Amir Gamal Maria
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Patent number: 11439969Abstract: A process for shutting down a hydroprocessing reactor and for removing catalyst from the reactor, wherein the reactor includes a quench gas distribution system. The process comprises shutting off hydrocarbon feed to the reactor, stripping hydrocarbons from the catalyst, and cooling the reactor to a first threshold reactor temperature in the range of from 375-425° F. (190-218° C.). At least a portion of circulating gaseous medium flowing to the reactor is then routed through a temporary heat exchanger and cooling the gas to not less than 40° F. (4° C.). Once cooled, mixing the cooled gas with the circulating gaseous medium flowing to the reactor. Continuing steps routing and cooling until a second threshold temperature is reached wherein the reactor temperature is in a range between 120° F. and 250° F. (49° C.-121° C.). The reactor can then be purged with N2 gas, followed by introducing water into the reactor via the quench gas distribution system. The catalyst can then be safely removed from the reactor.Type: GrantFiled: August 31, 2020Date of Patent: September 13, 2022Assignee: Chevron U.S.A. Inc.Inventors: Maggie A. Eaves, Charles R. Davis, Jr., Greg A. Mullek, Clay Duncan, Jr., Jeff W. Johns
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Patent number: 11436514Abstract: A requirements knowledge graph may include nodes for different elements of a requirement's relationship to physical characteristics, such as the requirement and the associated unsafe conditions, control objects, and hazards. A connection between nodes may define a relationship between the corresponding elements. The requirement, that is decomposed into a subject, an object, a predicate, and a context, may define a rule for the control object in the unsafe condition to avoid the hazard. A model for a plan (e.g., drilling plan for a well, design for a drilling tool) may be constructed based on the requirements knowledge graph. The plan may be generated based on the model.Type: GrantFiled: April 1, 2020Date of Patent: September 6, 2022Assignee: Chevron U.S.A. Inc.Inventors: Larry A. Bowden, Jr., Juan Esteban E. Montero, Shuxing Cheng, Adam M. Reeder, Xin Feng, Steven R. Szabo
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Patent number: 11434080Abstract: A tank cover lifting tool is configured to remove or attach tank covers. The tank cover lifting tool includes a handle center support, a first handle connected to one end of the handle center support, and a second handle connected to another end of the handle center support. In addition, the tank cover lifting tool includes a first lifting block that is locked on the handle center support and that is configured to engage a first tank cover handle of a tank cover. Further, the tank cover lifting tool includes a second lifting block that is locked on the handle center support and that is configured to engage a second tank cover handle of the tank cover.Type: GrantFiled: December 14, 2020Date of Patent: September 6, 2022Assignee: CHEVRON U.S.A. INC.Inventor: Albert E. Butterfield, IV
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Publication number: 20220275691Abstract: An artificial lift system utilizing a downhole impeller-style pump and a motor at the surface. The system includes a centralizer for use with the rod string or tubing. The centralizer centralizes a rotating rod at intermediate points within the tubing string. The centralizer includes a plurality of flexure springs and bearings. A rod string tensioner induces a tension load on the rod string.Type: ApplicationFiled: July 30, 2020Publication date: September 1, 2022Applicant: Chevron U.S.A. Inc.Inventors: James Daniel Montoya, Jose Alberto Gamboa, Matthew John Bower
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Publication number: 20220275690Abstract: A centralizer for use in high speed rotor dynamics applications includes a housing having a first end portion and a second end portion. The centralizer further includes a rotatable shaft positioned within a cavity of the housing. The centralizer also includes flexure springs that are each attached to and extend between the first end portion and the second end portion. The flexure springs are compressible toward a middle portion of the housing that is between the first end portion and the second end portion. The centralizer further includes roller wheels attached to the flexure springs.Type: ApplicationFiled: July 30, 2020Publication date: September 1, 2022Applicant: Chevron U.S.A. Inc.Inventor: James Daniel MONTOYA
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Patent number: 11423197Abstract: Systems and methods for estimating reservoir productivity as a function of position in a subsurface volume of interest are disclosed. Exemplary implementations may: obtain subsurface data and well data corresponding to a subsurface volume of interest; obtain a parameter model; use the subsurface data and the well data to generate multiple production parameter maps; apply the parameter model to the multiple production parameter maps to generate refined production parameter values; generate multiple refined production parameter graphs; display the multiple refined production parameter graphs; generate one or more user input options; receive a defined well design and the one or more user input options selected by a user to generate limited production parameter values; generate a representation of estimated reservoir productivity as a function of position in the subsurface volume of interest using the defined well design and visual effects; and display the representation.Type: GrantFiled: February 20, 2019Date of Patent: August 23, 2022Assignee: CHEVRON U.S.A. INC.Inventors: Shane James Prochnow, Liliia Reddy, Petros Papazis, Lewis Li, Julian Thorne
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Patent number: 11421150Abstract: Disclosed are compositions and methods for the pressure protection of existing wells during infill drilling operations. The methods can include injecting an aqueous pressure protection composition into an unconventional subterranean formation via an existing wellbore in fluid communication with a rock matrix of the unconventional subterranean formation prior to and/or during injection of a fracturing fluid into the unconventional subterranean formation via a new wellbore in fluid communication with the rock matrix of the unconventional subterranean formation; and producing a hydrocarbon from the existing wellbore during and/or after the injection of the fracturing fluid into the unconventional subterranean formation via the new wellbore.Type: GrantFiled: July 7, 2020Date of Patent: August 23, 2022Assignee: Chevron U.S.A. Inc.Inventors: Samiha Said Elsayed Morsy, Nabijan Nizamidin, Taimur Malik, Mohsen S. Tagavifar
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Patent number: 11415593Abstract: A portable air fan measurement tool that is configured to measure air flow and air temperature. The air fan measurement tool includes a base comprising a magnet, the magnet being configured to attach the base to an air fan ring of an air fan. The portable air fan measurement tool also includes a vertical support having a first end configured to engage the base. The portable air fan measurement tool further includes an angular support having a first end configured to engage the vertical support and a horizontal support having a first end configured to engage a second end of the angular support. Moreover, the portable air fan measurement tool includes a boom having a first end configured to engage a second end of the vertical support and a second end of the horizontal support, and a plurality of air fan measurement devices that are disposed on the boom.Type: GrantFiled: May 26, 2021Date of Patent: August 16, 2022Assignee: CHEVRON U.S.A. INC.Inventors: Albert E. Butterfield, IV, Jeffrey Brandon Dooley, Ronald W. Hill, Ian Addington Luna
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Patent number: 11414327Abstract: A system can include a multi-material fluid having a mixture of a first material and a second material. The system can also include a first vessel into which the multi-material fluid is disposed. The system can further include a first sonication device disposed, at least in part, in the multi-material fluid in the first vessel. The first sonication device, when operating, can emit ultrasound waves into the multi-material fluid. The ultrasound waves separate the first material and the second material from each other in the first vessel.Type: GrantFiled: June 15, 2020Date of Patent: August 16, 2022Assignees: CHEVRON U.S.A. INC., ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITYInventors: Carl W. Lam, Hong Luo, Yuanming Guo, Emmy Pruitt, Paul Dahlen
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Patent number: 11407959Abstract: Described herein is a process, comprising: a) selecting an API Group II base stock with selected viscosity index and pour point; b) blending a base oil with the base stock, and c) adding to the base oil: i) a liquid ethylene propylene copolymer viscosity modifier that reduces a traction coefficient, and ii) an additive package, to make a driveline fluid that has a defined viscosity index and excellent shear stability. Also provided is a driveline fluid composition having the high viscosity index and excellent shear stability, comprising: a) a base oil comprising from 50 wt % to 100 wt % API Group II base stock; b) a liquid ethylene propylene copolymer viscosity modifier that reduces a traction coefficient; and c) an additive package. Further provided is a method for lubricating an axle or manual transmission by supplying the driveline fluid composition.Type: GrantFiled: July 28, 2016Date of Patent: August 9, 2022Assignees: The Lubrizol Corporation, Chevron U.S.A. Inc.Inventors: Hyun-Soo Hong, John Aleksonis Zakarian, Sona Sivakova, Tomoya Higuchi, Christopher Engel, Farrukh Qureshi
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Patent number: 11409013Abstract: A method is described for property estimation including receiving a seismic dataset representative of a subsurface volume of interest and a well log from a well location within the subsurface volume of interest; identifying seismic traces in the seismic dataset that correspond to the well location to obtain a subset of seismic traces; windowing the subset of seismic traces and the well log to generate windowed seismic traces and a windowed well log; multiplying the windowed seismic traces and the windowed well log by a random matrix to generate a plurality of training datasets; and training a neural network using the plurality of training datasets. The method may be executed by a computer system.Type: GrantFiled: March 11, 2020Date of Patent: August 9, 2022Assignee: Chevron U.S.A. Inc.Inventors: Ke Wang, Laura L. Bandura, Dimitri Bevc, James P. Disiena, Adam Dean Halpert, Bruce A. Power, Ellen Xiaoxia Xu
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Publication number: 20220244418Abstract: A method is described for localized seismic imaging around a wellbore. The method uses at least one non-conventional seismic source such as an electrical submersible pump to generate seismic signals which are reflected by the surrounding wellbore and rock formation and recorded by a fiber optic cable or downhole geophones. The seismic data is then processed and imaged to generate an image of the volume around the wellbore. The method may be executed by a computer system.Type: ApplicationFiled: February 2, 2022Publication date: August 4, 2022Applicant: CHEVRON U.S.A. INC.Inventor: Kevin John DAVIES
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Patent number: 11403497Abstract: Embodiments of categorizing fractures in a subsurface formation are provided herein. One embodiment comprises obtaining at least one borehole image for a plurality of fractures in a subsurface formation and at least one resistivity log for the plurality of fractures of the surface formation. The embodiment comprises determining first aperture data based on the at least one borehole image for the plurality of fractures and determining second aperture data based on the at the least one resistivity log for the plurality of fractures. The embodiment comprises comparing the first aperture data based on the at least one borehole image and the second aperture data based on at least one resistivity log to determine whether to categorize each fracture of the plurality of fractures as a naturally occurring fracture or a non-naturally occurring fracture. The embodiment comprises generating an output indicating the categorization of each fracture and displaying the output.Type: GrantFiled: January 29, 2020Date of Patent: August 2, 2022Assignee: CHEVRON U.S.A. INC.Inventors: Bo Gong, Hanming Wang