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1. 发明授权

US08940670B2 Cement compositions comprising sub-micron alumina and associated methods 有权
标题翻译：包含亚微米级氧化铝和相关方法的水泥组合物
公开(公告)号：US08940670B2
公开(公告)日：2015-01-27
申请号：US13435701
申请日：2012-03-30
申请人： Rahul Chandrakant Patil , B. Raghava Reddy , Abhimanyu Deshpande , Christopher L. Gordon , Craig W. Roddy , Jiten Chatterji , Roger S. Cromwell
发明人： Rahul Chandrakant Patil , B. Raghava Reddy , Abhimanyu Deshpande , Christopher L. Gordon , Craig W. Roddy , Jiten Chatterji , Roger S. Cromwell
IPC分类号： C09K8/46 , C04B7/32 , E21B33/00 , C04B14/30 , C04B28/02 , C04B28/08 , C09K8/467 , C09K8/473 , C04B111/00
CPC分类号： C09K8/46 , C04B14/303 , C04B28/02 , C04B28/08 , C04B2111/00146 , C04B2111/00215 , C09K8/467 , C09K8/473 , C09K2208/10 , Y02W30/92 , Y02W30/94 , Y02W30/95 , C04B20/008 , C04B24/161 , C04B24/2611 , C04B24/2652 , C04B24/2676 , C04B2103/50 , C04B14/047 , C04B14/106 , C04B14/108 , C04B18/08 , C04B18/141 , C04B18/162 , C04B24/26 , C04B38/10 , C04B14/308
摘要： Methods and compositions that comprise sub-micron alumina for accelerating setting of a cement composition. An embodiment includes a method of cementing in a subterranean formation. The method may comprise introducing a cement composition into the subterranean formation, wherein the cement composition comprises hydraulic cement, sub-micron alumina, and water. The method further may comprise allowing the cement composition to set in the subterranean formation. Another embodiment includes a cement composition that may comprise hydraulic cement, sub-micron alumina, and water.
摘要翻译：包含亚微米氧化铝以促进水泥组合物固化的方法和组合物。一个实施例包括在地层中固井的方法。该方法可以包括将水泥组合物引入到地层中，其中水泥组合物包含水硬性水泥，亚微米级氧化铝和水。该方法还可以包括允许水泥组合物固定在地层中。另一个实施方案包括可以包含水硬性水泥，亚微米级氧化铝和水的水泥组合物。

2. 发明申请

US20120190769A1 Cement Compositions Comprising Sub-Micron Alumina and Associated Methods 有权
标题翻译：包含亚微米氧化铝的水泥组合物及相关方法
公开(公告)号：US20120190769A1
公开(公告)日：2012-07-26
申请号：US13435701
申请日：2012-03-30
申请人： Rahul Chandrakant Patil , B. Raghava Reddy , Abhimanyu Deshpande , Christopher L. Gordon , Craig W. Roddy , Jiten Chatterji , Roger S. Cromwell
发明人： Rahul Chandrakant Patil , B. Raghava Reddy , Abhimanyu Deshpande , Christopher L. Gordon , Craig W. Roddy , Jiten Chatterji , Roger S. Cromwell
IPC分类号： C09K8/46 , B82Y30/00
CPC分类号： C09K8/46 , C04B14/303 , C04B28/02 , C04B28/08 , C04B2111/00146 , C04B2111/00215 , C09K8/467 , C09K8/473 , C09K2208/10 , Y02W30/92 , Y02W30/94 , Y02W30/95 , C04B20/008 , C04B24/161 , C04B24/2611 , C04B24/2652 , C04B24/2676 , C04B2103/50 , C04B14/047 , C04B14/106 , C04B14/108 , C04B18/08 , C04B18/141 , C04B18/162 , C04B24/26 , C04B38/10 , C04B14/308
摘要： Methods and compositions that comprise sub-micron alumina for accelerating setting of a cement composition. An embodiment includes a method of cementing in a subterranean formation. The method may comprise introducing a cement composition into the subterranean formation, wherein the cement composition comprises hydraulic cement, sub-micron alumina, and water. The method further may comprise allowing the cement composition to set in the subterranean formation. Another embodiment includes a cement composition that may comprise hydraulic cement, sub-micron alumina, and water.
摘要翻译：包含亚微米氧化铝以促进水泥组合物固化的方法和组合物。一个实施例包括在地层中固井的方法。该方法可以包括将水泥组合物引入到地层中，其中水泥组合物包含水硬性水泥，亚微米级氧化铝和水。该方法还可以包括允许水泥组合物固定在地层中。另一个实施方案包括可以包含水硬性水泥，亚微米级氧化铝和水的水泥组合物。

3. 发明授权

US08476203B2 Cement compositions comprising sub-micron alumina and associated methods 有权
公开(公告)号：US08476203B2
公开(公告)日：2013-07-02
申请号：US12651662
申请日：2010-01-04
申请人： Rahul Chandrakant Patil , B. Raghava Reddy , Abhimanyu Deshpande , Christopher L. Gordon , Craig W. Roddy , Jiten Chatterji , Roger S. Cromwell
发明人： Rahul Chandrakant Patil , B. Raghava Reddy , Abhimanyu Deshpande , Christopher L. Gordon , Craig W. Roddy , Jiten Chatterji , Roger S. Cromwell
IPC分类号： C04B7/32 , C04B7/02 , C04B7/12 , C04B7/345 , E21B33/00
CPC分类号： C09K8/46 , C04B14/303 , C04B28/02 , C04B28/08 , C04B2111/00146 , C04B2111/00215 , C09K8/467 , C09K8/473 , C09K2208/10 , Y02W30/92 , Y02W30/94 , Y02W30/95 , C04B20/008 , C04B24/161 , C04B24/2611 , C04B24/2652 , C04B24/2676 , C04B2103/50 , C04B14/047 , C04B14/106 , C04B14/108 , C04B18/08 , C04B18/141 , C04B18/162 , C04B24/26 , C04B38/10 , C04B14/308
摘要： Methods and compositions that comprise sub-micron alumina for accelerating setting of a cement composition. An embodiment includes a method of cementing in a subterranean formation. The method may comprise introducing a cement composition into the subterranean formation, wherein the cement composition comprises hydraulic cement, sub-micron alumina, and water. The method further may comprise allowing the cement composition to set in the subterranean formation. Another embodiment includes a cement composition that may comprise hydraulic cement, sub-micron alumina, and water.

4. 发明申请

US20100095871A1 Cement Compositions Comprising Sub-Micron Alumina and Associated Methods 有权
标题翻译：包含亚微米氧化铝的水泥组合物及相关方法
公开(公告)号：US20100095871A1
公开(公告)日：2010-04-22
申请号：US12651662
申请日：2010-01-04
申请人： Rahul Chandrakant Patil , B. Raghava Reddy , Abhimanyu Deshpande , Christopher L. Gordon , Craig W. Roddy , Jiten Chatterji , Roger S. Cromwell
发明人： Rahul Chandrakant Patil , B. Raghava Reddy , Abhimanyu Deshpande , Christopher L. Gordon , Craig W. Roddy , Jiten Chatterji , Roger S. Cromwell
IPC分类号： C04B7/32 , C04B7/00 , C04B7/02 , C04B7/12 , C04B7/345 , C04B7/14 , C04B7/24 , C04B28/02 , C04B9/00 , C04B24/26
CPC分类号： C09K8/46 , C04B14/303 , C04B28/02 , C04B28/08 , C04B2111/00146 , C04B2111/00215 , C09K8/467 , C09K8/473 , C09K2208/10 , Y02W30/92 , Y02W30/94 , Y02W30/95 , C04B20/008 , C04B24/161 , C04B24/2611 , C04B24/2652 , C04B24/2676 , C04B2103/50 , C04B14/047 , C04B14/106 , C04B14/108 , C04B18/08 , C04B18/141 , C04B18/162 , C04B24/26 , C04B38/10 , C04B14/308
摘要： Methods and compositions that comprise sub-micron alumina for accelerating setting of a cement composition. An embodiment includes a method of cementing in a subterranean formation. The method may comprise introducing a cement composition into the subterranean formation, wherein the cement composition comprises hydraulic cement, sub-micron alumina, and water. The method further may comprise allowing the cement composition to set in the subterranean formation. Another embodiment includes a cement composition that may comprise hydraulic cement, sub-micron alumina, and water.
摘要翻译：包含亚微米氧化铝以促进水泥组合物固化的方法和组合物。一个实施例包括在地层中固井的方法。该方法可以包括将水泥组合物引入到地层中，其中水泥组合物包含水硬性水泥，亚微米级氧化铝和水。该方法还可以包括允许水泥组合物固定在地层中。另一个实施方案包括可以包含水硬性水泥，亚微米级氧化铝和水的水泥组合物。

5. 发明授权

US06881708B2 Compositions for solving lost circulation problems 有权
标题翻译：解决流通问题的组合
公开(公告)号：US06881708B2
公开(公告)日：2005-04-19
申请号：US10283877
申请日：2002-10-30
申请人： B. Raghava Reddy , Jiten Chatterji , Roger S. Cromwell
发明人： B. Raghava Reddy , Jiten Chatterji , Roger S. Cromwell
IPC分类号： C09K8/508 , C09K7/00
CPC分类号： C09K8/5083
摘要： A method and composition is provided for sealing a subterranean zone penetrated by a well bore and restoring lost circulation, wherein the composition basically comprises a mixture of latex, melamine-formaldehyde resin, and a catalyst.
摘要翻译：提供了一种方法和组合物，用于密封由井眼穿透的地下区域并恢复失去的循环，其中组合物基本上包括胶乳，三聚氰胺 - 甲醛树脂和催化剂的混合物。

6. 发明授权

US06508306B1 Compositions for solving lost circulation problems 有权
公开(公告)号：US06508306B1
公开(公告)日：2003-01-21
申请号：US09999313
申请日：2001-11-15
申请人： B. Raghava Reddy , Jiten Chatterji , Roger S. Cromwell
发明人： B. Raghava Reddy , Jiten Chatterji , Roger S. Cromwell
IPC分类号： E21B33138
CPC分类号： C09K8/5083
摘要： A method and composition is provided for sealing a subterranean zone penetrated by a well bore and restoring lost circulation, wherein the composition basically comprises a mixture of latex, melamine-formaldehyde resin, and a catalyst.

7. 发明授权

US06554068B1 Method of downhole fluid separation and displacement and a plug utilized therein 失效
标题翻译：井下流体分离和移位方法及其中使用的塞子
公开(公告)号：US06554068B1
公开(公告)日：2003-04-29
申请号：US10058700
申请日：2002-01-29
申请人： Jiten Chatterji , B. Raghava Reddy , Frank Zamora , Roger S Cromwell
发明人： Jiten Chatterji , B. Raghava Reddy , Frank Zamora , Roger S Cromwell
IPC分类号： E21B3312
CPC分类号： E21B33/16
摘要： A method of downhole fluid displacement and a plug utilized in the method according to which the plug is inserted in a pipe between two fluids for separating and displacing one of the fluids. The plug has a specific gravity of less than the fluid above it, so that, after the displacement operation, the plug floats to the top of the latter fluid for recovery.
摘要翻译：一种井下流体排量的方法和在该方法中使用的塞子，根据该方法，塞子插入两个流体之间的管道中，用于分离和移动其中一个流体。塞子的比重小于其上方的流体，使得在移动操作之后，塞子漂浮到后者流体的顶部用于恢复。

8. 发明授权

US08720562B2 Wellbore cementing compositions and methods of making and using same 失效
标题翻译：井筒固井组合物及其制备和使用方法
公开(公告)号：US08720562B2
公开(公告)日：2014-05-13
申请号：US12907209
申请日：2010-10-19
申请人： B. Raghava Reddy , Rahul Chandrakant Patil , Sandip Pati
发明人： B. Raghava Reddy , Rahul Chandrakant Patil , Sandip Pati
IPC分类号： E21B33/13
CPC分类号： C09K8/467 , C04B24/38 , C04B24/383 , C04B28/02 , C09K8/487 , C04B20/023 , C04B20/04
摘要： A method of cementing a wellbore comprising preparing a wellbore cementing composition comprising a cementitious materials and a modified biopolymer additive wherein the modified biopolymer additive is the reaction product of a process comprising contacting a biopolymer and an organic carbonate to form a reaction mixture and subjecting the reaction mixture to a temperature of from about 100° F. to about 250° F. and placing the wellbore cementing fluid in the wellbore. A method of cementing a wellbore comprising contacting a modified biopolymer additive with a cementitious slurry to produce a wellbore cementing composition having an initial viscosity, v0; placing the wellbore cementing composition to a desired depth in a subterranean formation wherein the wellbore cementing composition has a transitional viscosity, vt, during placement in the subterranean formation and a final viscosity, vf, at the desired depth wherein vf≧vt>v0; and allowing the wellbore cementing composition to set.
摘要翻译：一种固井井的方法，包括制备包含水泥质材料和改性生物聚合物添加剂的井眼胶结组合物，其中改性生物聚合物添加剂是包括使生物聚合物和有机碳酸酯接触以形成反应混合物并使反应混合物至约100°F至约250°F的温度，并将井眼固井液置于井筒中。一种固井井的方法，包括使改性的生物聚合物添加剂与水泥浆料接触以产生具有初始粘度v0的井眼胶结组合物; 将井眼胶结剂组合物放置在地下地层中所需的深度，其中井眼胶结剂组合物在放置在地层中时具有过渡粘度vt，并且在期望深度处具有最终粘度vf，其中vf≥vt> v0; 并允许井筒固井组合物固化。

9. 发明授权

US06858566B1 Methods of generating gas in and foaming well cement compositions 失效
标题翻译：产生气体和发泡好的水泥组合物的方法
公开(公告)号：US06858566B1
公开(公告)日：2005-02-22
申请号：US10159001
申请日：2002-05-31
申请人： B. Raghava Reddy , Karen Luke , Bryan K. Waugh , Roger S. Cromwell
发明人： B. Raghava Reddy , Karen Luke , Bryan K. Waugh , Roger S. Cromwell
IPC分类号： C04B38/02 , C09K8/46 , C09K8/473 , C09K3/00 , C04B16/08 , E21B33/13
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。

10. 发明授权

US08100180B2 Method of servicing a wellbore with a sealant composition comprising solid latex 失效
标题翻译：使用包含固体胶乳的密封剂组合物来维护井筒的方法
公开(公告)号：US08100180B2
公开(公告)日：2012-01-24
申请号：US12622983
申请日：2009-11-20
申请人： B. Raghava Reddy , Ronald E. Sweatman , Christopher L. Gordon
发明人： B. Raghava Reddy , Ronald E. Sweatman , Christopher L. Gordon
IPC分类号： E21B33/13
CPC分类号： C09K8/508 , C09K8/24 , C09K8/32 , C09K8/5045 , C09K8/512
摘要： A method of servicing a wellbore comprising placing a sealant composition comprising solid latex into the wellbore.
摘要翻译：一种维修井眼的方法，包括将包含固体胶乳的密封剂组合物放入井筒中。

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