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1.发明授权公开(公告)号：US11760921B2
公开(公告)日：2023-09-19
申请号：US16635904
申请日：2018-07-31
申请人： CHEVRON U.S.A. INC.
发明人： Dustin L. Walker , Gayani W. Pinnawala , Nabijan Nizamidin , Varadarajan Dwarakanath , Guo-Qing Tang , Dustin J. Lowry , Tetsuo Art Inouye , Taimur Malik
CPC分类号： C09K8/604 , C09K8/602 , C09K8/68 , C09K8/74 , C09K8/80 , C09K8/86 , E21B43/267 , E21B43/27 , E21B47/11 , C09K2208/10 , C09K2208/12 , C09K2208/26 , C09K2208/28 , C09K2208/32
摘要： Embodiments of the disclosure include compositions and methods that stabilize a injection fluid when exposed to reservoir conditions, reducing formation damage and increasing the amount of hydrocarbon recovered. Specifically, the formulation is a single-phase liquid surfactant package which comprises a non-ionic surfactant and optionally one or more secondary surfactants.
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公开(公告)号：US20220333003A1
公开(公告)日：2022-10-20
申请号：US17853283
申请日：2022-06-29
申请人： Chevron U.S.A. Inc.
发明人： Nabijan Nizamidin , Gayani W. Pinnawala , Guo-Qing Tang , Varadarajan Dwarakanath , Gregory A. Winslow , Jordan Taylor Isbell , Taimur Malik
IPC分类号： C09K8/584 , C09K8/588 , C09K8/60 , C09K8/66 , C09K8/68 , C09K8/80 , E21B43/20 , E21B43/26 , E21B47/11
摘要： Provided herein are compositions comprising borate-acid buffers, as well as methods of using these compositions in oil and gas operations, including enhanced oil recovery (EOR) operations, fracturing operations, stimulation operations, etc.
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公开(公告)号：US20240141767A1
公开(公告)日：2024-05-02
申请号：US18385775
申请日：2023-10-31
申请人： Chevron U.S.A. Inc.
发明人： Wei Wang , Wei Wei , Johannes Orlando Alvarez Ortiz , Guo-Qing Tang , Hao Sun , Dengen Zhou , Kelly Marie Krezinski , Chao Yan , Christopher Adam Griffith , Jon Edward Burger
IPC分类号： E21B43/16
CPC分类号： E21B43/164 , E21B2200/20
摘要： A method of improving a field operation that comprises a gas injection may include assessing a plurality of potential injection gases against a plurality of values of a plurality of parameters associated with a plurality of samples, where each of the plurality of potential injection gases comprises an acidic component, and where the plurality of parameters comprises fluid chemistry parameters and rock properties. The method may also include determining a proposed injection gas from among the plurality of potential injection gases for the field operation that comprises the gas injection to be performed using a first wellbore in fluidic communication with a first subterranean formation, a second wellbore in fluidic communication with the first subterranean formation, a third wellbore in fluidic communication with a second subterranean formation, or any combination thereof.
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公开(公告)号：US11753582B2
公开(公告)日：2023-09-12
申请号：US16635733
申请日：2018-07-31
申请人： CHEVRON U.S.A. INC.
发明人： Dustin L. Walker , Gayani W. Pinnawala , Nabijan Nizamidin , Varadarajan Dwarakanath , Guo-Qing Tang , Dustin J. Lowry , Tetsuo Art Inouye , Taimur Malik
CPC分类号： C09K8/604 , C09K8/602 , C09K8/68 , C09K8/74 , C09K8/80 , C09K8/86 , E21B43/267 , E21B43/27 , E21B47/11 , C09K2208/10 , C09K2208/12 , C09K2208/26 , C09K2208/28 , C09K2208/32
摘要： Described herein are compositions and methods that stabilize an injection fluid when exposed to reservoir conditions, reducing formation damage and increasing the amount of hydrocarbon recovered. Specifically, the formulation is a single-phase liquid surfactant package which comprises an anionic surfactant including a hydrophobic tail comprising from 6 to 60 carbon atoms and optionally one or more secondary surfactants.
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公开(公告)号：US11377586B2
公开(公告)日：2022-07-05
申请号：US16528183
申请日：2019-07-31
申请人： Chevron U.S.A. Inc.
发明人： Nabijan Nizamidin , Gayani W. Pinnawala , Guo-Qing Tang , Varadarajan Dwarakanath , Gregory A. Winslow , Jordan Taylor Isbell , Taimur Malik
IPC分类号： C09K8/584 , C09K8/588 , C09K8/60 , C09K8/66 , C09K8/68 , C09K8/80 , E21B43/20 , E21B43/26 , E21B47/11
摘要： Provided herein are compositions comprising borate-acid buffers, as well as methods of using these compositions in oil and gas operations, including enhanced oil recovery (EOR) operations, fracturing operations, stimulation operations, etc.
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公开(公告)号：US11834609B2
公开(公告)日：2023-12-05
申请号：US16635906
申请日：2018-07-31
申请人： CHEVRON U.S.A. INC.
发明人： Dustin L. Walker , Gayani W. Pinnawala , Nabijan Nizamidin , Varadarajan Dwarakanath , Guo-Qing Tang , Dustin J. Lowry , Tetsuo Art Inouye , Taimur Malik
CPC分类号： C09K8/604 , C09K8/602 , C09K8/68 , C09K8/74 , C09K8/80 , C09K8/86 , E21B43/267 , E21B43/27 , E21B47/11 , C09K2208/10 , C09K2208/12 , C09K2208/26 , C09K2208/28 , C09K2208/32
摘要： Embodiments of the disclosure include compositions and methods that stabilize a injection fluid when exposed to reservoir conditions, reducing formation damage and increasing the amount of hydrocarbon recovered. Specifically, the formulation is a single-phase liquid surfactant package which comprises a surfactant and optionally one or more secondary surfactants. Also provided are methods of using the stabilized injection fluids in stimulation operations.
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公开(公告)号：US11787998B2
公开(公告)日：2023-10-17
申请号：US17853283
申请日：2022-06-29
申请人： Chevron U.S.A. Inc.
发明人： Nabijan Nizamidin , Gayani W. Pinnawala , Guo-Qing Tang , Varadarajan Dwarakanath , Gregory A. Winslow , Jordan Taylor Isbell , Taimur Malik
IPC分类号： C09K8/584 , C09K8/588 , C09K8/60 , C09K8/66 , C09K8/68 , C09K8/80 , E21B43/20 , E21B43/26 , E21B47/11
CPC分类号： C09K8/584 , C09K8/588 , C09K8/602 , C09K8/665 , C09K8/68 , C09K8/80 , E21B43/20 , E21B43/26 , E21B47/11
摘要： Provided herein are compositions comprising borate-acid buffers, as well as methods of using these compositions in oil and gas operations, including enhanced oil recovery (EOR) operations, fracturing operations, stimulation operations, etc.
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公开(公告)号：US10677706B2
公开(公告)日：2020-06-09
申请号：US16229616
申请日：2018-12-21
申请人： Chevron U.S.A. Inc.
发明人： Douglas K. McCarty , Jon E. Burger , Lin Li , Guo-Qing Tang , Marcus O. Wigand , Varadarajan Dwarakanath , Dyung Tien Vo
IPC分类号： G01N15/08 , C09K8/60 , E21B49/00 , E21B49/08 , E21B43/26 , C09K8/66 , C09K8/68 , C09K8/88 , G01N33/24
摘要： A workflow to optimize a fracturing fluid for injection into a subterranean formation is provided. The workflow comprises measurement of fundamental properties and characteristics of reservoir rock and fluid, their interaction with fracturing fluid, computer-based models and laboratory performance testing to select preferred fracturing base fluid and additives package for use in fracturing/re-fracturing stimulation of specific shale formations to enhance hydrocarbon recovery.
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公开(公告)号：US10197489B2
公开(公告)日：2019-02-05
申请号：US15222716
申请日：2016-07-28
申请人： Chevron U.S.A. Inc.
发明人： Douglas K. McCarty , Jon E. Burger , Lin Li , Guo-Qing Tang , Marcus O. Wigand , Varadarajan Dwarakanath , Dyung Tien Vo
IPC分类号： G01N15/08 , C09K8/60 , E21B49/00 , E21B49/08 , E21B43/26 , C09K8/66 , C09K8/68 , C09K8/88 , G01N33/24
摘要： A workflow to optimize a fracturing fluid for injection into a subterranean formation is provided. The workflow comprises measurement of fundamental properties and characteristics of reservoir rock and fluid, their interaction with fracturing fluid, computer-based models and laboratory performance testing to select preferred fracturing base fluid and additives package for use in fracturing/re-fracturing stimulation of specific shale formations to enhance hydrocarbon recovery.
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