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1. 发明申请

WO2022236395A1 COLLOIDAL GAS APHRON-CONTAINING ACID BASED MATRIX ACIDIZING OR FRACTURE ACIDIZING FLUID, AND METHODS OF STIMULATING HYDROCARBONS IN A SUBTERRANEAN FORMATION THEREWITH 审中-公开
公开(公告)号：WO2022236395A1
公开(公告)日：2022-11-17
申请号：PCT/CA2021/050655
申请日：2021-05-11
申请人： UNIQUEM INC.
发明人： MIRZAEI, Amir A. , RAD, Hirbod
IPC分类号： C09K8/74 , C09K8/52 , C09K8/536 , E21B43/22 , E21B43/26 , C09K2208/32 , C09K8/72
摘要： Described herein is an acidizing fluid. The acidizing fluid comprises a colloidal gas aphron-containing acid (CGAA) composition. The fluid is typically for use in matrix acidizing or fracture acidizing procedures and may be applied before, during, and/or after perforation. Also described are various methods, including methods of fracking, stimulation, and perforation.

2. 发明申请

WO2022203492A1 FORMULACIÓN ÁCIDA A BASE DE SURFACTANTES Y SU USO COMO AGENTE DISOLVENTE DE CARBONATO DE CALCIO Y DOLOMÍA PARA PREVENIR LA FORMACIÓN DE INCRUSTACIONES EN LA INDUSTRIA PETROLERA 审中-公开
公开(公告)号：WO2022203492A1
公开(公告)日：2022-09-29
申请号：PCT/MX2022/050025
申请日：2022-03-23
申请人： CHEMISERVIS, S.A. DE C.V.
发明人： JIMÉNEZ OSORIO, José del Carmen
IPC分类号： C09K8/04 , C09K8/528 , C09K8/72 , C09K8/74
摘要： La presente invención provee una formulación ácida a base de surfactantes y su uso como agente disolvente de carbonato de calcio y dolomía para prevenir la formación de incrustaciones en la industria petrolera, el cual se utiliza en trabajos de estimulaciones en formaciones de carbonato de calcio y dolomía, y tiene como función secundaria eliminar el enjarre producido por los fluidos de perforación base agua de mar que contienen altas concentraciones de polímeros orgánicos o sintéticos en yacimientos petroleros.

3. 发明申请

WO2022076813A1 HYDRAULIC FRACTURING IN HYDROCARBON-BEARING RESERVOIRS 审中-公开
公开(公告)号：WO2022076813A1
公开(公告)日：2022-04-14
申请号：PCT/US2021/054157
申请日：2021-10-08
申请人： SAUDI ARABIAN OIL COMPANY , ARAMCO SERVICES COMPANY
发明人： LIANG, Feng , LIU, Hui-Hai , HAN, Yanhui , BARTKO, Kirk M. , SAINI, Rajesh Kumar
IPC分类号： C09K8/70 , C09K8/72 , C09K8/80
摘要： A subterranean zone can be treated by introducing a mixture of an acid-generating material and a proppant (for example, in a pad fluid or a pre-pad fluid) to the subterranean zone. Fractures and microfractures are created in the subterranean zone using the mixture of the acid-generating material and the proppant. The proppant is positioned within the fractures and microfractures to keep them open.

4. 发明申请

WO2021183739A1 SYSTEMS, METHODS, AND COMPOSITIONS FOR RESERVOIR STIMULATION TREATMENT DIVERSION USING THERMOCHEMICALS 审中-公开
公开(公告)号：WO2021183739A1
公开(公告)日：2021-09-16
申请号：PCT/US2021/021862
申请日：2021-03-11
申请人： SAUDI ARABIAN OIL COMPANY , ARAMCO SERVICES COMPANY , KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
发明人： AL-NAKHLI, Ayman , MAHMOUD, Mohamed Ahmed Nasr Eldin
IPC分类号： C09K8/504 , C09K8/516 , C09K8/72 , C09K8/74
摘要： Reservoir stimulation treatment diversion methods, systems, and compositions, one method including identifying a reservoir requiring liquid stimulation treatment in a lesser-permeability portion of the reservoir; identifying a greater-permeability portion of the reservoir, the greater-permeability portion of the reservoir having a greater permeability than the lesser-permeability portion; disposing a gas in the greater-permeability portion of the reservoir; injecting a liquid stimulation treatment into the reservoir; and allowing the gas in the greater-permeability portion of the reservoir to divert the liquid stimulation treatment into the lesser-permeability portion to stimulate fluid production from the lesser-permeability portion of the reservoir.

5. 发明申请

WO2020247241A1 LOW TEMPERATURE DIVERSION IN WELL COMPLETION OPERATIONS USING A LANGBEINITE COMPOUND 审中-公开
公开(公告)号：WO2020247241A1
公开(公告)日：2020-12-10
申请号：PCT/US2020/034967
申请日：2020-05-28
申请人： LYONDELLBASELL ADVANCED POLYMERS INC.
发明人： TODD, Bradley, L.
IPC分类号： C09K8/50 , C09K8/516 , C09K8/72
摘要： Treatment fluids for use in fluid loss control, diversion, and plugging operations and methods of use are disclosed. The treatment fluids contain a degradable particular langbeinite material that temporarily creates a physical barrier to fluid flow before degrading over time with little to no effect on the environment. This degradable additive can be combined with other traditional downhole additives such as surfactants, viscosity ing agents, biocides and the like, allowing for a wide variety of applications in hydrocarbon reservoirs.

6. 发明申请

WO2019245983A1 WELLBORE COMPOSITION 审中-公开
公开(公告)号：WO2019245983A1
公开(公告)日：2019-12-26
申请号：PCT/US2019/037516
申请日：2019-06-17
申请人： HEXION INC. , HEXION RESEARCH BELGIUM S.A.
发明人： JIANG, Li , BEETGE, Jan
IPC分类号： C09K8/74 , C09K8/00 , C09K8/60 , C09K8/72
摘要： The embodiments described herein generally relate to methods and chemical compositions for use with wellbore treatment processes. In one embodiment, a composition is provided comprising a mineral acid and a retardation agent selected from the group of an amine containing compound, an amide containing compound, lignosulfonate, and combinations thereof.

7. 发明申请

WO2019245410A1 СПОСОБ СЕЛЕКТИВНОЙ ОБРАБОТКИ ПРИЗАБОЙНОЙ ЗОНЫ ПЛАСТА 审中-公开
公开(公告)号：WO2019245410A1
公开(公告)日：2019-12-26
申请号：PCT/RU2019/050008
申请日：2019-01-28
申请人： ОБЩЕСТВО С ОГРАНИЧЕННОЙ ОТВЕТСТВЕННОСТЬЮ "ВИ-ЭНЕРДЖИ"
发明人： СЕРГЕЕВ, Виталий Вячеславович
IPC分类号： E21B43/22 , E21B43/27 , C09K8/502 , C09K8/72 , B82Y30/00
摘要： Осуществляют три и более этапов обработки призабойной зоны пласта с расчетной периодичностью реализации этапов, причем реализацию второго и каждого последующего этапа осуществляют при снижении коэффициента продуктивности и/или суточного дебита нефти скважины на 25% и более за последние 6 месяцев эксплуатации скважины. При этом на первом и втором этапе призабойную зону пласта обрабатывают последовательно высокостабильной эмульсионной системой с содержанием наночастиц двуокиси кремния, кислотной композицией и водным раствором хлористого калия или хлористого кальция. На третьем и последующих этапах призабойную зону пласта обрабатывают последовательно высокостабильной эмульсионной системой с содержанием наночастиц двуокиси кремния, композицией поверхностно-активных веществ и спиртов и водным раствором хлористого калия или хлористого кальция. Техническим результатом заявленного изобретения является повышение термостабильности эмульсионной системы, увеличение темпа разработки нефтегазоносного объекта, увеличение продолжительности положительного эффекта и дополнительная добыча нефти.

8. 发明申请

WO2019195368A1 METHOD FOR FRACTURING IN HYDROCARBON RESERVOIRS 审中-公开
公开(公告)号：WO2019195368A1
公开(公告)日：2019-10-10
申请号：PCT/US2019/025504
申请日：2019-04-03
申请人： SAUDI ARABIAN OIL COMPANY , ARAMCO SERVICES COMPANY
发明人： LIANG, Feng , LIU, Hui-Hai , HAN, Yanhui , BARTKO, Kirk, M. , SAINI, Rajesh Kumar
IPC分类号： C09K8/70 , C09K8/72 , C09K8/80
摘要： A subterranean zone can be treated by introducing an acid-generating material and a proppant to the subterranean zone. Fractures are created in the subterranean zone using the acid-generating material. The proppant is positioned within the created fractures to keep the fractures open.

9. 发明申请

WO2019028083A1 INJECTION FLUIDS COMPRISING AN ANIONIC SURFACTANT FOR TREATING UNCONVENTIONAL FORMATIONS 审中-公开
公开(公告)号：WO2019028083A1
公开(公告)日：2019-02-07
申请号：PCT/US2018/044707
申请日：2018-07-31
申请人： CHEVRON U.S.A. INC.
发明人： WALKER, Dustin L. , PINNAWALA ARACHCHILAGE, Gayani , NIZAMIDIN, Nabi , DWARAKANATH, Varadarajan , TANG, Guo-Qing , LOWRY, Dustin J. , INOUYE, Tetsuo Art , MALIK, Taimur
IPC分类号： C09K8/584 , C09K8/60 , C09K8/66 , C09K8/72 , C09K8/86
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 an anionic surfactant and optionally one or more secondary surfactants.

10. 发明申请

WO2019013799A1 DELIVERY SYSTEM FOR OIL-SOLUBLE WELL TREATMENT AGENTS AND METHODS OF USING THE SAME 审中-公开
公开(公告)号：WO2019013799A1
公开(公告)日：2019-01-17
申请号：PCT/US2017/041904
申请日：2017-07-13
申请人： BAKER HUGHES, A GE COMPANY, LLC
发明人： BHADURI, Sumit , DEBENEDICTIS, Frances H , GUPTA, D.V. Satyanarayana
IPC分类号： C09K8/57 , C09K8/58 , C09K8/60 , C09K8/66 , C09K8/72 , E21B43/00 , C09K8/52
摘要： A system for slowly releasing an oil-soluble well treatment agent into a well or a subterranean formation includes a composite of the oil-soluble well treatment agent associated with a second component. The amount of the oil-soluble well treatment agent in the composite is from 20 to 35 weight percent and the average particle size of the oil-soluble well treatment agent in the composite is less than or equal to 1 micrometer. The composite may further contain a water-soluble well treatment agent.

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