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1. 发明申请

US20060272552A1 Emulsion admixtures for improving cement elasticity 失效
标题翻译：用于改善水泥弹性的乳液混合物
公开(公告)号：US20060272552A1
公开(公告)日：2006-12-07
申请号：US11502205
申请日：2006-08-10
申请人： B. Reddy , Krishna Ravi
发明人： B. Reddy , Krishna Ravi
IPC分类号： C04B24/00 , C04B14/00 , C04B40/00
CPC分类号： C04B24/2688 , C04B24/2641 , C04B24/2652 , C04B28/02 , C09K8/467 , Y02W30/94 , C04B18/146 , C04B2103/40 , C04B2103/50
摘要： Methods and cement compositions for sealing a subterranean zone penetrated by a wellbore. The cement compositions include cementitious material, a mixing fluid, at least one polar monomer, and at least one elasticity enhancing monomer.
摘要翻译：用于密封井眼穿透的地下区域的方法和水泥组合物。水泥组合物包括水泥质材料，混合流体，至少一种极性单体和至少一种弹性增强单体。

2. 发明申请

US20070151730A1 Cement compositions comprising particulate carboxylated elastomers and associated methods 有权
标题翻译：包含颗粒状羧化弹性体的水泥组合物和相关方法
公开(公告)号：US20070151730A1
公开(公告)日：2007-07-05
申请号：US11321113
申请日：2005-12-29
申请人： B. Reddy , Krishna Ravi
发明人： B. Reddy , Krishna Ravi
IPC分类号： E21B33/138
CPC分类号： C04B16/04 , C04B24/2611 , C04B24/2641 , C04B24/2652 , C04B28/02 , C04B2103/0052 , C04B2103/0058 , C04B2111/2038 , C04B2111/34 , C09K8/467 , C04B20/1033
摘要： Methods of cementing comprising: providing a cement composition comprising water, a cement, and a particulate elastomer comprising a carboxy group; and allowing the cement composition to set. Cement compositions comprising water, a cement, and a particulate elastomer comprising a carboxy group.
摘要翻译：粘合方法包括：提供包含水，水泥和包含羧基的颗粒弹性体的水泥组合物; 并允许水泥组合物固化。包含水，水泥和包含羧基的颗粒弹性体的水泥组合物。

3. 发明申请

US20070051516A1 Cement compositions comprising high aspect ratio materials and methods of use in subterranean formations 失效
标题翻译：包含高纵横比材料的水泥组合物和在地下地层中使用的方法
公开(公告)号：US20070051516A1
公开(公告)日：2007-03-08
申请号：US11595147
申请日：2006-11-09
申请人： B. Reddy , Gunnar Lende , Krishna Ravi
发明人： B. Reddy , Gunnar Lende , Krishna Ravi
IPC分类号： E21B33/13
CPC分类号： F02D9/109 , F02B31/085 , F02M26/22 , F02M26/53 , F02M26/54 , F02M35/10222 , F02M35/112 , Y02T10/146
摘要： Cement compositions that include high aspect ratio materials, and methods for using such cement compositions in subterranean formations are provided herein. An example of a method is a method of cementing in a subterranean formation. An example of a composition is a cement composition for use in a subterranean formation.
摘要翻译：本文提供了包括高纵横比材料的水泥组合物，以及在地下地层中使用这种水泥组合物的方法。方法的一个实例是在地层中固井的方法。组合物的实例是用于地下地层的水泥组合物。

4. 发明申请

US20060000611A1 Cement compositions comprising high aspect ratio materials and methods of use in subterranean formations 有权
公开(公告)号：US20060000611A1
公开(公告)日：2006-01-05
申请号：US10884756
申请日：2004-07-02
申请人： B. Reddy , Gunnar Lende , Krishna Ravi
发明人： B. Reddy , Gunnar Lende , Krishna Ravi
IPC分类号： E21B33/13 , C04B14/46 , C04B14/48
CPC分类号： C04B28/06 , C04B28/02 , C04B28/34 , C04B2111/00146 , C09K8/467 , Y02W30/92 , Y02W30/94 , C04B14/48 , C04B20/1025 , C04B18/08 , C04B18/146 , C04B14/42 , C04B20/1033 , C04B14/20 , C04B14/202
摘要： The present invention relates to subterranean well cementing operations, and more particularly, to cement compositions that include high aspect ratio materials, and methods for using such cement compositions in subterranean formations. An example of a method of the present invention is a method of cementing in a subterranean formation. An example of a composition of the present invention is a cement composition for use in a subterranean formation.

5. 发明申请

US20050113262A1 Variable density fluids and methods of use in subterranean formations 有权
标题翻译：可变密度流体和地下地层中使用的方法
公开(公告)号：US20050113262A1
公开(公告)日：2005-05-26
申请号：US10721055
申请日：2003-11-24
申请人： Krishna Ravi , Donald Whitfill , B. Reddy
发明人： Krishna Ravi , Donald Whitfill , B. Reddy
IPC分类号： C09K7/00
CPC分类号： C09K8/03 , C09K8/536 , C09K8/70 , C09K8/92
摘要： The present invention provides variable density fluid compositions and methods for using such compositions in a subterranean formation. One exemplary embodiment of the variable density fluid compositions of the present invention comprises a variable density fluid comprising: a base fluid; and a portion of elastic particles, the elastic particles having an isothermal compressibility factor in the range of from about 1.5×10−3 (1/psi) to about 1.5×10−9 (1/psi).
摘要翻译：本发明提供了可变密度流体组合物和在地下地层中使用这种组合物的方法。本发明的可变密度流体组合物的一个示例性实施方案包括可变密度流体，其包含：基础流体; 和一部分弹性颗粒，弹性颗粒具有在约1.5×10 -3（1 / psi）至约1.5×10 -9 -9范围内的等温可压缩因子（1psi）。

6. 发明申请

US20060122071A1 Oilwell sealant compositions comprising alkali swellable latex 失效
公开(公告)号：US20060122071A1
公开(公告)日：2006-06-08
申请号：US11010117
申请日：2004-12-08
申请人： B. Reddy , Mark Savery , Krishna Ravi , Donald Whitfill
发明人： B. Reddy , Mark Savery , Krishna Ravi , Donald Whitfill
IPC分类号： E21B43/00 , C09K8/00
CPC分类号： C09K8/5045 , C09K8/506 , C09K8/508
摘要： Sealant compositions comprising an alkali swellable latex and a pH increasing material and methods of using the same to service a wellbore are provided. In one embodiment, the sealant composition can be used in a wellbore and includes an alkali swellable latex and a pH increasing material. The sealant composition can have a pH of from about 7 to about 14. In other embodiments, the pH increasing material includes a base-producing material. The base-producing material can include alkali and alkali earth metal carbonates, alkali and alkali earth metal bicarbonates, alkali and alkali earth metal hydroxides, alkali and alkali earth metal oxides, alkali and alkali earth metal phosphates, alkali and alkali earth metal hydrogen phosphates, alkali and alkaline earth metal sulphides, alkali and alkaline earth metal salts of silicates, alkali and alkaline earth metal salts of aluminates, water soluble or water dispersible organic amines, polymeric amine, amino alcohols, or combinations thereof.

7. 发明申请

US20070151484A1 Cement compositions comprising particulate carboxylated elastomers and associated methods 有权
公开(公告)号：US20070151484A1
公开(公告)日：2007-07-05
申请号：US11321268
申请日：2005-12-29
申请人： B. Reddy , Krishna Ravi
发明人： B. Reddy , Krishna Ravi
IPC分类号： C04B24/26 , C09K8/42
CPC分类号： C04B28/02 , C09K8/42 , C04B2103/0058 , C04B2103/65 , C04B24/2641 , C04B24/2676
摘要： Methods of cementing comprising: providing a cement composition comprising water, a cement, and a particulate elastomer comprising a carboxy group; and allowing the cement composition to set. Cement compositions comprising water, a cement, and a particulate elastomer comprising a carboxy group.

8. 发明申请

US20070062691A1 Methods of formulating a cement composition 有权
标题翻译：配制水泥组合物的方法
公开(公告)号：US20070062691A1
公开(公告)日：2007-03-22
申请号：US11228099
申请日：2005-09-16
申请人： B. Reddy , Krishna Ravi
发明人： B. Reddy , Krishna Ravi
IPC分类号： E21B47/00 , E21B33/13
CPC分类号： C04B28/02 , C04B40/0032 , C04B2290/10 , C09K8/428 , C04B14/024 , C04B20/0048 , C04B24/26 , C04B16/04 , C04B24/28 , C04B24/42
摘要： A method of cementing a wellbore in a subterranean formation, comprising formulating a cement composition that may be suitable for long-term zonal isolation of the subterranean formation by evaluating a subterranean formation, preparing a base cement composition, determining the compressive strength of the base cement composition, determining the tensile strength of the base cement composition, and adjusting the ratio of compressive strength to tensile strength as need to within a first optimizing range to form a first optimized cement composition, and placing the optimized cement composition in the wellbore.
摘要翻译：一种在地层中固井的方法，包括配制一种水泥组合物，该水泥组合物可适用于通过评估地下地层来长期地层析地下地层，制备基础水泥组合物，确定基础水泥的抗压强度确定基础水泥组合物的拉伸强度，并根据需要在第一优化范围内调节压缩强度与拉伸强度的比例，以形成第一优化的水泥组合物，并将优化的水泥组合物置于井眼中。

9. 发明申请

US20060096759A1 Methods and compositions for controlling lost circulation in subterranean operations 有权
标题翻译：控制地下作业中流失的方法和组成
公开(公告)号：US20060096759A1
公开(公告)日：2006-05-11
申请号：US10982016
申请日：2004-11-05
申请人： B. Reddy , Donald Whitfill , Krishna Ravi , Mark Savery
发明人： B. Reddy , Donald Whitfill , Krishna Ravi , Mark Savery
IPC分类号： E21B33/138 , E21B21/00
CPC分类号： C09K8/16 , C09K8/5045 , C09K8/508 , C09K8/516 , C09K2208/18
摘要： A lost circulation composition, that comprises a first portion of particles having a weight mean particle size of less than about 20 microns, a second portion of particles having a weight mean particle size in the range of from about 25 microns to about 400 microns, and a third portion of particles having a weight mean particle size in the range of from about 450 microns to about 1,500 microns, wherein the lost circulation composition has a multimodal particle size distribution, is provided, wherein resilient particles, particles comprising a thermoset polymer laminate, or a combination thereof are present in the lost circulation composition in an amount of at least about 20% by weight of the lost circulation composition, is provided. Drilling fluids, methods of controlling lost circulation, and methods of increasing an effective fracture gradient while drilling also are provided.
摘要翻译：一种失去循环的组合物，其包含重量平均粒度小于约20微米的第一部分颗粒，重量平均粒径在约25微米至约400微米范围内的第二部分颗粒，以及提供了重量平均粒度在约450微米至约1,500微米范围内的颗粒的第三部分，其中所述缺失循环组合物具有多峰粒度分布，其中弹性颗粒包含热固性聚合物层压体的颗粒，或其组合在损失循环组合物中的含量为至少约20重量％的损失循环组合物的量。提供钻井液，控制流失的方法以及在钻井时提高有效断裂梯度的方法。

10. 发明申请

US20050028981A1 Elastomeric admixtures for improving cement elasticity 有权
标题翻译：用于改善水泥弹性的弹性外加剂
公开(公告)号：US20050028981A1
公开(公告)日：2005-02-10
申请号：US10939878
申请日：2004-09-03
申请人： B. Reddy , Krishna Ravi
发明人： B. Reddy , Krishna Ravi
IPC分类号： C04B24/26 , C04B28/02 , C09K8/46 , E21B33/13
CPC分类号： C04B24/2652 , C04B28/02 , C09K8/46 , C04B14/062
摘要： A method and cementing composition for sealing a subterranean zone penetrated by a well bore, wherein the cementing composition comprises a mixture of cementitious material, acrylonitrile butadiene styrene (ABS), and sufficient water to form a slurry.
摘要翻译：一种用于密封由井眼穿透的地下区域的方法和固井组合物，其中所述胶结组合物包含水泥质材料，丙烯腈 - 丁二烯 - 苯乙烯（ABS）和足够的水的混合物以形成浆料。

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