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公开(公告)号：US06715553B2
公开(公告)日：2004-04-06
申请号：US10159590
申请日：2002-05-31
申请人： B. Raghava Reddy , Krishna M. Ravi , James E. Griffith , Frank Zamora , Karen Luke , John L. Dennis, Jr. , Ricky A. Cox
发明人： B. Raghava Reddy , Krishna M. Ravi , James E. Griffith , Frank Zamora , Karen Luke , John L. Dennis, Jr. , Ricky A. Cox
IPC分类号： E21B2114
CPC分类号： C09K8/38
摘要： Improved methods of generating gas in and foaming aqueous well fluids introduced into a subterranean zone are provided. A method of the invention includes the steps of combining with an alkaline aqueous well fluid one or more gas generating chemicals and a mixture of foaming and foaming stabilizing surfactants so that the gas generating chemical or chemicals react with the alkaline aqueous well fluid and gas and foam are formed in the well fluid while it is being pumped, and then pumping the well fluid into the subterranean zone.
摘要翻译： 提供了改进的引入到地下区域中的产生气体并引发水井井液的方法。 本发明的方法包括以下步骤：将一种或多种产生气体的化学品与发泡稳定表面活性剂的混合物与碱性水性井液混合，使得产生气体的化学物质或化学物质与碱性水性井液以及气体和泡沫 在泵送时在井液中形成，然后将井流体泵入地下区域。
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公开(公告)号：US07156175B2
公开(公告)日：2007-01-02
申请号：US10789712
申请日：2004-02-27
申请人： B. Raghava Reddy , Krishna M. Ravi , James E. Griffith , Frank Zamora , Karen Luke , John L. Dennis, Jr. , Ricky A. Cox
发明人： B. Raghava Reddy , Krishna M. Ravi , James E. Griffith , Frank Zamora , Karen Luke , John L. Dennis, Jr. , Ricky A. Cox
CPC分类号： C09K8/38
摘要： The present invention relates to methods of chemically generating gas in aqueous fluids utilized in the drilling and completion of wells such as drilling fluids, spacer fluids, and aqueous acid solutions. In one embodiment, the invention provides a method of preventing the formation of fractures in a subterranean formation during a drilling operation. In other embodiments, the present invention provides methods of separating a first fluid and a second fluid in a subterranean formation; methods of forming lightweight well treatment fluids; methods of enhancing the permeability of a subterranean zone; lightweight drilling fluids; lightweight spacer fluids; foamed aqueous acidic well treatment fluids; and methods of making foamed aqueous and aqueous acidic well treatment fluids.
摘要翻译： 本发明涉及在钻井液，间隔液和含水酸溶液的钻井和完井中使用的含水流体中化学产生气体的方法。 在一个实施例中，本发明提供了一种在钻井操作期间防止在地层中形成裂缝的方法。 在其它实施例中，本发明提供了分离地下地层中的第一流体和第二流体的方法; 形成轻型井处理液的方法; 提高地下区域渗透性的方法; 轻型钻井液; 轻质间隔液; 发泡水性酸性处理液; 以及制造发泡的含水和酸性水溶液的处理流体的方法。
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公开(公告)号：US06992048B2
公开(公告)日：2006-01-31
申请号：US10792999
申请日：2004-03-04
IPC分类号： C09K3/00
CPC分类号： C04B20/12 , C04B28/02 , C04B28/04 , C04B38/02 , C04B40/0633 , C04B2103/0067 , C09K8/46 , C09K8/473 , C09K8/516 , C09K8/518 , C09K8/703 , Y10S507/902 , C04B2103/42 , C04B20/10 , C04B20/1029 , C04B24/12 , C04B24/129 , C04B2103/0095 , C04B22/002 , C04B22/06 , C04B22/068 , C04B24/383 , C04B2103/48 , C04B2103/445 , C04B14/042 , C04B14/047 , C04B14/06 , C04B14/08 , C04B14/10 , C04B14/301 , C04B20/1025 , C04B20/1037 , C04B20/123 , C04B2103/10 , C04B20/1033
摘要： The present invention relates to methods of generating gas in and foaming well treating fluids during pumping of the treating fluids or after the treating fluids are placed in a subterranean zone, or both. A method of the present invention provides a method of making a foamed well fluid that comprises a gas comprising the steps of combining an aqueous fluid, a surfactant, an encapsulated activator, and a gas generating chemical, the gas generating chemical being present in an amount in the range of from about 0.1% to 100% of a water component in the aqueous well fluid; and allowing the gas generating chemical and the encapsulated activator to react so that gas is generated in the aqueous fluid to form a foamed well fluid. Methods of cementing, fracturing, cementing compositions, fracturing fluid compositions, and foamed well fluid compositions also are provided.
摘要翻译： 本发明涉及在泵送处理流体期间或在将处理流体放置在地下区域中之后或在两者之间产生气体并在其中良好地处理流体的方法。 本发明的方法提供了一种制造发泡井液的方法，该方法包括一种气体，包括以下步骤：将含水流体，表面活性剂，包封的活化剂和产生气体的化学物质混合，所述气体发生化学物质的量以 在水井液中约0.1％至100％的水组分的范围内; 并且允许气体发生化学物质和包封的活化剂反应，使得在含水流体中产生气体以形成发泡井液。 还提供了固井，压裂，固井组合物，压裂液组合物和发泡井液组合物的方法。
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公开(公告)号：US06722434B2
公开(公告)日：2004-04-20
申请号：US10159588
申请日：2002-05-31
IPC分类号： E21B4322
CPC分类号： C04B20/12 , C04B28/02 , C04B28/04 , C04B38/02 , C04B40/0633 , C04B2103/0067 , C09K8/46 , C09K8/473 , C09K8/516 , C09K8/518 , C09K8/703 , Y10S507/902 , C04B2103/42 , C04B20/10 , C04B20/1029 , C04B24/12 , C04B24/129 , C04B2103/0095 , C04B22/002 , C04B22/06 , C04B22/068 , C04B24/383 , C04B2103/48 , C04B2103/445 , C04B14/042 , C04B14/047 , C04B14/06 , C04B14/08 , C04B14/10 , C04B14/301 , C04B20/1025 , C04B20/1037 , C04B20/123 , C04B2103/10 , C04B20/1033
摘要： Improved methods of generating gas in and foaming well treating fluids introduced into a subterranean zone are provided. A method of the invention includes the steps of combining one or more gas generating chemicals with the well treating fluid and combining one or more delayed encapsulated activators having selected release times with the well treating fluid containing the gas generating chemicals so that the gas generating chemicals react with the delayed encapsulated oxidizing agent activators and gas and foam are formed in the treating fluid while the treating fluid is being pumped and after being placed in the subterranean zone.
摘要翻译： 提供了改进的引入井下区域的产生气体和发泡好的处理流体的方法。 本发明的方法包括以下步骤：将一种或多种产生气体的化学品与井处理流体组合，并将具有选定释放时间的一种或多种延迟封装的活化剂与含有产生气体的化学物质的井处理流体混合，使气体产生化学物质反应 在处理流体被泵送并且被放置在地下区域之后，在处理流体中形成延迟的包封氧化剂活化剂和气体和泡沫。
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公开(公告)号：US06964302B2
公开(公告)日：2005-11-15
申请号：US10686098
申请日：2003-10-15
申请人： Karen Luke , B. Raghava Reddy , Russell M. Fitzgerald , Frank Zamora , Glen C. Fyten , Keith A. Rispler , Donald A. Getzlaf , Dennis W. Gray , Sears T. Dealy
发明人： Karen Luke , B. Raghava Reddy , Russell M. Fitzgerald , Frank Zamora , Glen C. Fyten , Keith A. Rispler , Donald A. Getzlaf , Dennis W. Gray , Sears T. Dealy
IPC分类号： C04B7/32 , C04B14/04 , C04B28/02 , C09K8/46 , C09K8/467 , E21B21/14 , E21B33/13 , E21B33/138
CPC分类号： C09K8/487 , C04B14/047 , C04B28/02 , C04B2103/46 , C09K8/46 , C09K8/467 , C09K8/473 , Y02W30/92 , Y02W30/94 , C04B18/08 , C04B2103/10 , C04B2103/34 , C04B2103/50 , C04B20/1022 , C04B14/104 , C04B22/10 , C04B22/143 , C04B22/147 , C04B24/06 , C04B24/383 , C04B12/04 , C04B14/10 , C04B24/2623 , C04B24/2652 , C04B24/38 , C04B14/28 , C04B18/146 , C04B24/16 , C04B38/10 , C04B40/0039 , C04B2103/40
摘要： Methods and cement compositions are provided for sealing a subterranean zone penetrated by a wellbore, wherein the cement composition comprises zeolite, cementitious material, and a mixing fluid.
摘要翻译： 提供方法和水泥组合物用于密封由井筒穿透的地下区域，其中所述水泥组合物包含沸石，水泥质材料和混合流体。
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公开(公告)号：US07285166B2
公开(公告)日：2007-10-23
申请号：US11126626
申请日：2005-05-11
申请人： Karen Luke , B. Raghava Reddy , Russell M. Fitzgerald , Frank Zamora , Glen C. Fyten , Keith A. Rispler , Donald A. Getzlaf , Dennis W. Gray , Sears T. Dealy
发明人： Karen Luke , B. Raghava Reddy , Russell M. Fitzgerald , Frank Zamora , Glen C. Fyten , Keith A. Rispler , Donald A. Getzlaf , Dennis W. Gray , Sears T. Dealy
CPC分类号： C09K8/487 , C04B14/047 , C04B28/02 , C04B2103/46 , C09K8/46 , C09K8/467 , C09K8/473 , Y02W30/92 , Y02W30/94 , C04B18/08 , C04B2103/10 , C04B2103/34 , C04B2103/50 , C04B20/1022 , C04B14/104 , C04B22/10 , C04B22/143 , C04B22/147 , C04B24/06 , C04B24/383 , C04B12/04 , C04B14/10 , C04B24/2623 , C04B24/2652 , C04B24/38 , C04B14/28 , C04B18/146 , C04B24/16 , C04B38/10 , C04B40/0039 , C04B2103/40
摘要： Methods and cement compositions are provided for sealing a subterranean zone penetrated by a wellbore, wherein the cement composition comprises zeolite, cementitious material, and a mixing fluid.
摘要翻译： 提供方法和水泥组合物用于密封由井筒穿透的地下区域，其中所述水泥组合物包含沸石，水泥质材料和混合流体。
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公开(公告)号：US20050126781A1
公开(公告)日：2005-06-16
申请号：US11048293
申请日：2005-01-31
申请人： B. Raghava Reddy , Krishna Ravi , Karen Luke , Rickey Morgan
发明人： B. Raghava Reddy , Krishna Ravi , Karen Luke , Rickey Morgan
IPC分类号： C04B28/04 , C04B38/02 , C09K8/46 , C09K8/473 , C09K8/516 , C09K8/518 , C09K8/70 , E21B33/13 , E21B43/22
CPC分类号： C04B20/12 , C04B28/02 , C04B28/04 , C04B38/02 , C04B40/0633 , C04B2103/0067 , C09K8/46 , C09K8/473 , C09K8/516 , C09K8/518 , C09K8/703 , Y10S507/902 , C04B2103/42 , C04B20/10 , C04B20/1029 , C04B24/12 , C04B24/129 , C04B2103/0095 , C04B22/002 , C04B22/06 , C04B22/068 , C04B24/383 , C04B2103/48 , C04B2103/445 , C04B14/042 , C04B14/047 , C04B14/06 , C04B14/08 , C04B14/10 , C04B14/301 , C04B20/1025 , C04B20/1037 , C04B20/123 , C04B2103/10 , C04B20/1033
摘要： The present invention relates to methods of generating gas in and foaming well treating fluids during pumping of the treating fluids or after the treating fluids are placed in a subterranean zone, or both. A method of the present invention provides a method of treating a subterranean zone comprising the steps of providing a well treating fluid that comprises a water component, a gas generating chemical, and an encapsulated activator, placing the well treating fluid in a subterranean zone, and allowing the gas generating chemical to react so that a gas is generated in the cement composition. Methods of cementing, fracturing, cementing compositions, fracturing fluid compositions, and foamed well fluid compositions also are provided.
摘要翻译： 本发明涉及在泵送处理流体期间或在将处理流体放置在地下区域中之后或在两者之间产生气体并在其中良好地处理流体的方法。 本发明的方法提供了一种处理地下区域的方法，包括以下步骤：提供包含水组分，产气化学物质和包封的活化剂的井处理流体，将井处理流体置于地下区域，以及 允许气体发生化学品反应，使得在水泥组合物中产生气体。 还提供了固井，压裂，固井组合物，压裂液组合物和发泡井液组合物的方法。
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公开(公告)号：US07297664B2
公开(公告)日：2007-11-20
申请号：US10901507
申请日：2004-07-28
申请人： Ashok K. Santra , Karen Luke , B. Raghava Reddy
发明人： Ashok K. Santra , Karen Luke , B. Raghava Reddy
CPC分类号： C09K8/16
摘要： Zeolite and Class F fly ash compositions are provided for use as cement-free settable fluids such as settable spotting fluids and cementitious compositions.
摘要翻译： 提供沸石和F级粉煤灰组合物用作无水泥的可固化流体，例如可固化点样液和水泥组合物。
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公开(公告)号：US06858566B1
公开(公告)日：2005-02-22
申请号：US10159001
申请日：2002-05-31
CPC分类号： C04B38/02 , C04B2103/0067 , C09K8/46 , C09K8/473 , C04B28/04 , C04B40/0028 , C04B40/0633 , C04B2103/0095
摘要： The present invention relates to methods of generating gas in and forming cement compositions that may be introduced into a subterranean zone. A method of the present invention provides a method of generating gas in a cement composition that comprises providing the cement composition comprising a hydraulic cement and water; providing an oxidizing agent; providing at least one gas generating chemical; and contacting the cement composition with the oxidizing agent and/or the gas generating chemical downstream of at least one cement pump so that a gas is generated in the cement composition downstream of at least one cement pump. Methods of foaming cement compositions are also provided.
摘要翻译： 本发明涉及在可以引入地下区域中产生气体并形成水泥组合物的方法。 本发明的方法提供了一种在水泥组合物中产生气体的方法，该方法包括提供包含水硬性水泥和水的水泥组合物; 提供氧化剂; 提供至少一种产气化学品; 以及使所述水泥组合物与至少一个水泥泵下游的氧化剂和/或气体发生化学物质接触，使得在至少一个水泥泵下游的水泥组合物中产生气体。 还提供了发泡水泥组合物的方法。
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公开(公告)号：US06616753B2
公开(公告)日：2003-09-09
申请号：US10013974
申请日：2001-12-11
申请人： B. Raghava Reddy , Karen Luke
发明人： B. Raghava Reddy , Karen Luke
IPC分类号： C04B2214
CPC分类号： C09K8/5045 , C04B22/142 , C04B28/02 , C04B2111/0012 , C09K8/46 , C09K8/5083 , C04B2103/0085 , C04B2103/445 , C04B24/2652 , C04B2103/44 , C04B22/147 , C04B22/148 , C04B22/149 , C04B24/22
摘要： Methods and compositions for sealing subterranean zones penetrated by well bores are provided. The methods basically comprise the steps of introducing a sealing composition into the subterranean zone comprised of a hydraulic cement, sufficient water to form a slurry and a rapidly acting thixotropy providing gelling agent, and allowing the sealing composition to remain at rest in the zone whereby the sealing composition rapidly gels and then sets into a hard impermeable mass therein.
摘要翻译： 提供了用于密封井眼穿透的地下区域的方法和组合物。 所述方法基本上包括将密封组合物引入包括水硬性水泥，足够的水以形成浆料的地下区域和提供胶凝剂的快速作用的触变性，并允许密封组合物在该区域中保持静止的步骤 密封组合物迅速凝胶化，然后将其固化成硬质不渗透物质。
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