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1. 发明授权

US07008479B2 Methods and cement compositions for cementing in subterranean zones 有权
标题翻译：在地下区域固井的方法和水泥组合物
公开(公告)号：US07008479B2
公开(公告)日：2006-03-07
申请号：US10470612
申请日：2004-05-05
申请人： Jiten Chatterji , Roger S. Cromwell , Darrell C. Brenneis , Bobby J. King
发明人： Jiten Chatterji , Roger S. Cromwell , Darrell C. Brenneis , Bobby J. King
IPC分类号： C04B24/38
CPC分类号： C04B28/04 , C04B24/383 , C04B28/02 , C09K8/46 , C09K8/473 , C09K8/487 , C04B22/0026 , C04B38/103 , C04B40/0028 , C04B2103/48 , C04B24/12 , C04B24/161 , C04B24/32 , C04B22/002 , C04B38/10 , C04B2103/40 , C04B24/16
摘要： Methods of cementing in subterranean zones, improved cement compositions and improved additives are provided. The compositions are basically comprised of a hydraulic cement, sufficient water to form a slurry and an additive for providing improved rheology, fluid loss control and set retardation comprised of carboxymethylhydroxyethylcellulose having in the range of from about 0.62 to about 2.21 moles of hydroxyethyl substitution and in the range of from about 0.44 to about 0.52 degrees of carboxymethyl substitution and a 2% by weight aqueous solution of the carboxymethylhydroxyethylcellulose has a Höppler viscosity in the range of from about 55 mPa.s to about 359 mPa.s.
摘要翻译：提供了在地下区域固井的方法，改进的水泥组合物和改进的添加剂。组合物基本上由水硬性水泥，足够的水形成浆料和添加剂组成，用于提供改进的流变学，流体损失控制和由包含约0.62至约2.21摩尔羟乙基取代的羧甲基羟乙基纤维素的组合延迟，约0.44至约0.52度羧甲基取代的范围和2重量％的羧甲基羟乙基纤维素水溶液的Höppler粘度范围为约55mPa.s至约359mPa·s。

2. 发明授权

US06227294B1 Methods of cementing subterranean zones 有权
标题翻译：固井地下区的方法
公开(公告)号：US06227294B1
公开(公告)日：2001-05-08
申请号：US09569519
申请日：2000-05-12
申请人： Jiten Chatterji , Roger S. Cromwell , Bobby J. King , Dennis W. Gray , Darrell C. Brenneis
发明人： Jiten Chatterji , Roger S. Cromwell , Bobby J. King , Dennis W. Gray , Darrell C. Brenneis
IPC分类号： E21B33138
CPC分类号： C04B28/02 , C04B24/06 , C04B24/18 , C04B2103/22 , C04B2111/763 , C09K8/46 , C09K8/473 , C04B24/124 , C04B24/16 , C04B38/10 , C04B38/103 , C04B2103/0005
摘要： Improved methods of cementing in a subterranean zone penetrated by a well bore are provided. The methods are basically comprised of the steps of preparing a foamed cement composition comprised of hydraulic cement, a non-dispersing set retarder, sufficient water to form a slurry, sufficient gas to foam the slurry and a foaming and foam stabilizing surfactant mixture present in an amount sufficient to facilitate the formation of the foam and stabilize the foamed cement composition.
摘要翻译：提供了改进的穿透井眼的地下区域固井方法。这些方法基本上包括以下步骤：制备由水硬性水泥，非分散组合缓凝剂，足够的水形成浆料，足够的气体以使浆料发泡和泡沫稳定的表面活性剂混合物足以促进泡沫的形成并稳定泡沫水泥组合物。

3. 发明授权

US06708760B1 Methods and cement compositions for cementing in subterranean zones 失效
标题翻译：在地下区域固井的方法和水泥组合物
公开(公告)号：US06708760B1
公开(公告)日：2004-03-23
申请号：US10299294
申请日：2002-11-19
申请人： Jiten Chatterji , Roger S. Cromwell , Darrell C. Brenneis , Bobby J. King
发明人： Jiten Chatterji , Roger S. Cromwell , Darrell C. Brenneis , Bobby J. King
IPC分类号： E21B3313
CPC分类号： C04B28/04 , C04B24/383 , C04B28/02 , C09K8/46 , C09K8/473 , C09K8/487 , C04B22/0026 , C04B38/103 , C04B40/0028 , C04B2103/48 , C04B24/12 , C04B24/161 , C04B24/32 , C04B22/002 , C04B38/10 , C04B2103/40 , C04B24/16
摘要： Methods of cementing in subterranean zones, improved cement compositions and improved additives are provided. The compositions are basically comprised of a hydraulic cement, sufficient water to form a slurry and an additive for providing improved rheology, fluid loss control and set retardation comprised of carboxymethylhydroxyethylcellulose having in the range of from about 0.62 to about 2.21 moles of hydroxyethyl substitution and in the range of from about 0.44 to about 0.52 degrees of carboxymethyl substitution and a 2% by weight aqueous solution of the carboxymethylhydroxyethylcellulose has a Höppler viscosity in the range of from about 55 mPa.s to about 359 mPa.s.
摘要翻译：提供了在地下区域固井的方法，改进的水泥组合物和改进的添加剂。组合物基本上由水硬性水泥，足够的水形成浆料和添加剂组成，用于提供改进的流变学，流体损失控制和由包含约0.62至约2.21摩尔羟乙基取代的羧甲基羟乙基纤维素的组合延迟，约0.44至约0.52度羧甲基取代的范围和2重量％的羧甲基羟乙基纤维素水溶液的Höppler粘度范围为约55mPa.s至约359mPa·s。

4. 发明申请

US20090054269A1 Methods and Compositions Utilizing Lost-Circulation Materials Comprising Composite Particulates 有权
标题翻译：使用包含复合颗粒的失循环材料的方法和组合
公开(公告)号：US20090054269A1
公开(公告)日：2009-02-26
申请号：US11844926
申请日：2007-08-24
申请人： Jiten Chatterji , Bobby J. King , Darrell C. Brenneis
发明人： Jiten Chatterji , Bobby J. King , Darrell C. Brenneis
IPC分类号： C09K8/10
CPC分类号： C09K8/5045 , C09K8/487 , C09K8/506
摘要： Disclosed embodiments relate to compositions and methods for using a composite particulate comprising a cellulosic fiber and a filler as a lost-circulation material. An example of a method of controlling lost circulation in a subterranean method, comprises contacting a subterranean formation with a fluid comprising a base fluid and a lost circulation material, wherein the lost circulation material comprises a composite particulate, and wherein the composite particulate comprises a cellulosic fiber and a filler. An example method of cementing comprises introducing a cement composition into a well bore penetrating a subterranean formation, wherein the cement compositions comprises a cement, water, and a lost-circulation material, and wherein the lost-circulation material comprises a lost-circulation material, and wherein the lost-circulation material comprises a cellulosic fiber and a filler. Example compositions include lost-circulation materials, treatment fluids and cement compositions.
摘要翻译：公开的实施方案涉及使用包含纤维素纤维和填料的复合颗粒作为缺失循环材料的组合物和方法。一种在地下方法中控制流失的方法的实例包括使地下地层与包含基础流体和缺失循环材料的流体接触，其中所述失水循环材料包括复合颗粒，并且其中所述复合颗粒包含纤维素纤维和填料。固井的一个示例性方法包括将水泥组合物引入穿透地层的井眼中，其中所述水泥组合物包括水泥，水和失循环材料，并且其中所述失循环材料包括失循环材料，并且其中所述失循环材料包括纤维素纤维和填料。实例组合物包括缺失循环材料，处理流体和水泥组合物。

5. 发明授权

US07612021B2 Methods and compositions utilizing lost-circulation materials comprising composite particulates 有权
标题翻译：使用包含复合颗粒的缺失循环材料的方法和组合物
公开(公告)号：US07612021B2
公开(公告)日：2009-11-03
申请号：US11844926
申请日：2007-08-24
申请人： Jiten Chatterji , Bobby King , Darrell C. Brenneis
发明人： Jiten Chatterji , Bobby King , Darrell C. Brenneis
IPC分类号： C09K8/487
CPC分类号： C09K8/5045 , C09K8/487 , C09K8/506
摘要： Disclosed embodiments relate to compositions and methods for using a composite particulate comprising a cellulosic fiber and a filler as a lost-circulation material. An example of a method of controlling lost circulation in a subterranean method, comprises contacting a subterranean formation with a fluid comprising a base fluid and a lost circulation material, wherein the lost circulation material comprises a composite particulate, and wherein the composite particulate comprises a cellulosic fiber and a filler. An example method of cementing comprises introducing a cement composition into a well bore penetrating a subterranean formation, wherein the cement compositions comprises a cement, water, and a lost-circulation material, and wherein the lost-circulation material comprises a lost-circulation material, and wherein the lost-circulation material comprises a cellulosic fiber and a filler. Example compositions include lost-circulation materials, treatment fluids and cement compositions.
摘要翻译：公开的实施方案涉及使用包含纤维素纤维和填料的复合颗粒作为缺失循环材料的组合物和方法。一种在地下方法中控制流失的方法的实例包括使地层与包含基础流体和缺失循环材料的流体相接触，其中所述失水循环材料包括复合颗粒，并且其中所述复合颗粒包含纤维素纤维和填料。固井的一个示例性方法包括将水泥组合物引入穿透地层的井眼中，其中所述水泥组合物包括水泥，水和失循环材料，并且其中所述失循环材料包括失循环材料，并且其中所述失循环材料包括纤维素纤维和填料。实例组合物包括缺失循环材料，处理流体和水泥组合物。

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