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1. 发明申请

US20110132605A1 Biodegradable Set Retarder For A Cement Composition 有权
标题翻译：水泥组合物的可生物降解凝结缓凝剂
公开(公告)号：US20110132605A1
公开(公告)日：2011-06-09
申请号：US12633507
申请日：2009-12-08
申请人： Girish Dinkar Sarap , Sandip Prabhakar Patil , Dibyadarshani Senapati , Abhijit Tarafdar
发明人： Girish Dinkar Sarap , Sandip Prabhakar Patil , Dibyadarshani Senapati , Abhijit Tarafdar
IPC分类号： C09K8/46 , E21B33/13 , C09K8/42
CPC分类号： C04B24/2641 , C04B24/2652 , C04B24/2664 , C04B24/383 , C04B28/02 , C04B2103/0046 , C04B2103/0053 , C04B2103/006 , C04B2103/22 , C09K8/428 , C09K8/467 , C04B22/0026
摘要： Compositions and methods are directed to a cement composition for use in a subterranean formation. In an embodiment the cement composition comprises: (A) cement; (B) water; and (C) a polymer, wherein the polymer: (i) consists essentially of a monomer or monomers selected from the group consisting of acrylic acid, esters of acrylic acid, maleic acid, methacrylic acid, esters of methacrylic acid, itaconic acid, fumeric acid, citraconic acid, mesoconic acid, and any alkali metal, alkaline earth metal, or ammonium salt of any of the foregoing, and any combination of any of the foregoing; (ii) has the following characteristics: (a) is water soluble; and (b) is biodegradable; and (iii) is capable of providing: (a) a thickening time of at least 2 hours for a test composition maintained under a temperature condition of 190° F. and a pressure of 5,160 psi; and (b) an initial setting time of less than 24 hours for the test composition maintained under a temperature condition of 217° F. and a pressure of 3,000 psi, wherein the test composition consists of 860 grams of Class-H Portland cement, 325 grams of deionized water, and 0.4% by weight of the cement of the polymer. In another embodiment the method comprises the steps of: (A) introducing the cement composition into the subterranean formation; and (B) allowing the cement composition to set after introduction into the subterranean formation.
摘要翻译：组合物和方法涉及用于地下地层的水泥组合物。在一个实施方案中，水泥组合物包含：（A）水泥; （B）水; 和（C）聚合物，其中聚合物：（i）基本上由选自丙烯酸，丙烯酸的酯，马来酸，甲基丙烯酸，甲基丙烯酸的酯，衣康酸，数字的单体或单体组成酸，柠康酸，中糖酸，以及任何上述任何一种的碱金属，碱土金属或铵盐，以及任何前述的任何组合; （ii）具有以下特征：（a）是水溶性的; 和（b）是可生物降解的; 和（iii）能够提供：（a）在190°F的温度条件和5,160psi的压力下保持的测试组合物的至少2小时的增稠时间; 和（b）在217°F的温度条件下保持的测试组合物的初始凝固时间小于24小时，并且压力为3,000psi，其中测试组合物由860克H类波特兰水泥，325 克的去离子水和0.4重量％的聚合物的水泥。在另一个实施方案中，该方法包括以下步骤：（A）将水泥组合物引入地下地层; 和（B）允许水泥组合物在引入地层之后凝固。

2. 发明申请

US20130085207A1 Biodegradable Set Retarder For A Cement Composition 有权
标题翻译：水泥组合物的可生物降解凝结缓凝剂
公开(公告)号：US20130085207A1
公开(公告)日：2013-04-04
申请号：US13433535
申请日：2012-03-29
申请人： Girish Dinkar Sarap , Sandip Prabhakar Patil , Dibyadarshani Senapati , Abhijit Tarafdar
发明人： Girish Dinkar Sarap , Sandip Prabhakar Patil , Dibyadarshani Senapati , Abhijit Tarafdar
IPC分类号： C04B24/26
CPC分类号： C04B24/2641 , C04B24/2652 , C04B24/2664 , C04B24/383 , C04B28/02 , C04B2103/0046 , C04B2103/0053 , C04B2103/006 , C04B2103/22 , C09K8/428 , C09K8/467 , C04B22/0026
摘要： Compositions and methods are directed to a cement composition for use in a subterranean formation. In an embodiment the cement composition comprises: (A) cement; (B) water; and (C) a polymer, wherein the polymer: (i) consists essentially of a monomer or monomers selected from the group consisting of acrylic acid, esters of acrylic acid, maleic acid, methacrylic acid, esters of methacrylic acid, itaconic acid, fumeric acid, citraconic acid, mesoconic acid, and any alkali metal, alkaline earth metal, or ammonium salt of any of the foregoing, and any combination of any of the foregoing.
摘要翻译：组合物和方法涉及用于地下地层的水泥组合物。在一个实施方案中，水泥组合物包含：（A）水泥; （B）水; 和（C）聚合物，其中聚合物：（i）基本上由选自丙烯酸，丙烯酸的酯，马来酸，甲基丙烯酸，甲基丙烯酸的酯，衣康酸，数字的单体或单体组成酸，柠康酸，中糖酸，以及上述任何一种的碱金属，碱土金属或铵盐，以及任何前述的任何组合。

3. 发明授权

US08869895B2 Biodegradable set retarder for a cement composition 有权
标题翻译：用于水泥组合物的可生物降解的阻滞剂
公开(公告)号：US08869895B2
公开(公告)日：2014-10-28
申请号：US12633507
申请日：2009-12-08
申请人： Girish Dinkar Sarap , Sandip Prabhakar Patil , Dibyadarshani Senapati , Abhijit Tarafdar
发明人： Girish Dinkar Sarap , Sandip Prabhakar Patil , Dibyadarshani Senapati , Abhijit Tarafdar
IPC分类号： E21B33/13 , C09K8/00 , C04B14/00
CPC分类号： C04B24/2641 , C04B24/2652 , C04B24/2664 , C04B24/383 , C04B28/02 , C04B2103/0046 , C04B2103/0053 , C04B2103/006 , C04B2103/22 , C09K8/428 , C09K8/467 , C04B22/0026
摘要： Compositions and methods are directed to a cement composition for use in a subterranean formation. In an embodiment the cement composition comprises: (A) cement; (B) water; and (C) a polymer, wherein the polymer: (i) consists essentially of a monomer or monomers selected from the group consisting of acrylic acid, esters of acrylic acid, maleic acid, methacrylic acid, esters of methacrylic acid, itaconic acid, fumeric acid, citraconic acid, mesoconic acid, and any alkali metal, alkaline earth metal, or ammonium salt of any of the foregoing, and any combination of any of the foregoing; (ii) has the following characteristics: (a) is water soluble; and (b) is biodegradable; and (iii) is capable of providing: (a) a thickening time of at least 2 hours for a test composition maintained under a temperature condition of 190° F. and a pressure of 5,160 psi; and (b) an initial setting time of less than 24 hours for the test composition maintained under a temperature condition of 217° F. and a pressure of 3,000 psi, wherein the test composition consists of 860 grams of Class-H Portland cement, 325 grams of deionized water, and 0.4% by weight of the cement of the polymer. In another embodiment the method comprises the steps of: (A) introducing the cement composition into the subterranean formation; and (B) allowing the cement composition to set after introduction into the subterranean formation.
摘要翻译：组合物和方法涉及用于地下地层的水泥组合物。在一个实施方案中，水泥组合物包含：（A）水泥; （B）水; 和（C）聚合物，其中聚合物：（i）基本上由选自丙烯酸，丙烯酸的酯，马来酸，甲基丙烯酸，甲基丙烯酸的酯，衣康酸，数字的单体或单体组成酸，柠康酸，中糖酸，以及任何上述任何一种的碱金属，碱土金属或铵盐，以及任何前述的任何组合; （ii）具有以下特征：（a）是水溶性的; 和（b）是可生物降解的; 和（iii）能够提供：（a）在190°F的温度条件和5,160psi的压力下保持的测试组合物的至少2小时的增稠时间; 和（b）在217°F的温度条件下保持的测试组合物的初始凝固时间小于24小时，并且压力为3,000psi，其中测试组合物由860克H类波特兰水泥，325 克的去离子水和0.4重量％的聚合物的水泥。在另一个实施方案中，该方法包括以下步骤：（A）将水泥组合物引入地层; 和（B）允许水泥组合物在引入地层之后凝固。

4. 发明授权

US08728231B2 Biodegradable set retarder for a cement composition 有权
标题翻译：用于水泥组合物的可生物降解的阻滞剂
公开(公告)号：US08728231B2
公开(公告)日：2014-05-20
申请号：US13433535
申请日：2012-03-29
申请人： Girish Dinkar Sarap , Sandip Prabhakar Patil , Dibyadarshani Senapati , Abhijit Tarafdar
发明人： Girish Dinkar Sarap , Sandip Prabhakar Patil , Dibyadarshani Senapati , Abhijit Tarafdar
IPC分类号： E21B33/13 , C09K8/00 , C04B14/00
CPC分类号： C04B24/2641 , C04B24/2652 , C04B24/2664 , C04B24/383 , C04B28/02 , C04B2103/0046 , C04B2103/0053 , C04B2103/006 , C04B2103/22 , C09K8/428 , C09K8/467 , C04B22/0026
摘要： Compositions and methods are directed to a cement composition for use in a subterranean formation. In an embodiment the cement composition comprises: (A) cement; (B) water; and (C) a polymer, wherein the polymer: (i) consists essentially of a monomer or monomers selected from the group consisting of acrylic acid, esters of acrylic acid, maleic acid, methacrylic acid, esters of methacrylic acid, itaconic acid, fumeric acid, citraconic acid, mesoconic acid, and any alkali metal, alkaline earth metal, or ammonium salt of any of the foregoing, and any combination of any of the foregoing.
摘要翻译：组合物和方法涉及用于地下地层的水泥组合物。在一个实施方案中，水泥组合物包括：（A）水泥; （B）水; 和（C）聚合物，其中聚合物：（i）基本上由选自丙烯酸，丙烯酸的酯，马来酸，甲基丙烯酸，甲基丙烯酸的酯，衣康酸，数字的单体或单体组成酸，柠康酸，中糖酸，以及上述任何一种的碱金属，碱土金属或铵盐，以及任何前述的任何组合。

5. 发明授权

US08741818B2 Lost circulation compositions and associated methods 有权
公开(公告)号：US08741818B2
公开(公告)日：2014-06-03
申请号：US13443934
申请日：2012-04-11
申请人： Krishna Ravi , Rahul Chandrakant Patil , Sandip Prabhakar Patil , Sairam K S Pindiprolu , Craig W. Roddy , Ricky Covington , Jiten Chatterji , D. Chad Brenneis
发明人： Krishna Ravi , Rahul Chandrakant Patil , Sandip Prabhakar Patil , Sairam K S Pindiprolu , Craig W. Roddy , Ricky Covington , Jiten Chatterji , D. Chad Brenneis
IPC分类号： C09K8/48 , E21B33/13
CPC分类号： C09K8/16 , C04B28/02 , C04B28/08 , C04B2103/0035 , C04B2111/00146 , C09K8/40 , C09K8/46 , C09K8/473 , C09K8/487 , C09K8/5045 , C09K8/516 , C09K2208/10 , Y02W30/94 , C04B14/062 , C04B14/10 , C04B14/28 , C04B14/30 , C04B18/146 , C04B20/008 , C04B2103/46
摘要： An embodiment includes a method of servicing a well bore. The method may comprise introducing a lost circulation composition into a lost circulation zone, the lost circulation composition comprising hydraulic cement, nano-particles, amorphous silica, clay, and water. The method further may comprise allowing the lost circulation composition to set in the lost circulation zone. Another embodiment includes a lost circulation composition. The lost circulation may comprise hydraulic cement, nano-particles, amorphous silica, clay, and water.

6. 发明申请

US20120325478A1 Cement Compositions and Methods of Using the Same 有权
标题翻译：水泥组合物及其使用方法
公开(公告)号：US20120325478A1
公开(公告)日：2012-12-27
申请号：US13606632
申请日：2012-09-07
申请人： Ramesh Muthusamy , Tushar Sureshgiri Gosavi , Rahul Chandrakant Patil , Ashok K. Santra , Sandip Prabhakar Patil , Kameswara Sri Sairam Pindiprolu
发明人： Ramesh Muthusamy , Tushar Sureshgiri Gosavi , Rahul Chandrakant Patil , Ashok K. Santra , Sandip Prabhakar Patil , Kameswara Sri Sairam Pindiprolu
IPC分类号： E21B33/13 , C09K8/487 , C09K8/48 , C09K8/46
CPC分类号： C04B28/021 , C04B28/18 , C04B2111/1037 , C04B2111/2015 , C04B2111/2092 , C04B2111/22 , C04B2111/23 , C09K8/426 , C09K8/467 , C09K8/473 , E21B33/138 , Y02W30/92 , Y02W30/93 , Y02W30/94 , C04B14/047 , C04B14/10 , C04B14/106 , C04B14/16 , C04B18/08 , C04B18/125 , C04B18/141 , C04B18/146 , C04B22/0093 , C04B2103/12 , C04B2103/22 , C04B2103/40 , C04B2103/44 , C04B2103/46 , C04B2103/50 , C04B7/32
摘要： The present invention relates to cement compositions and their use in cementing operations. The cements comprise an aluminosilicate; a sodium aluminate, a calcium aluminate, a potassium aluminate, or a combination thereof; and water. In some cases the cement does not include Portland cement. The cement may be used in a subterranean formation having corrosive components therein, wherein the set cement sheath is resistant to degradation from the corrosive components within the subterranean formation.
摘要翻译：本发明涉及水泥组合物及其在固井作业中的应用。水泥包括硅铝酸盐; 铝酸钠，铝酸钙，铝酸钾或其组合; 和水。在某些情况下，水泥不包括波特兰水泥。水泥可用于其中具有腐蚀性成分的地下地层中，其中固定的水泥护套耐地下地层内腐蚀性成分的降解。

7. 发明授权

US09284224B2 Cement compositions and methods of using the same 有权
标题翻译：水泥组合物及其使用方法
公开(公告)号：US09284224B2
公开(公告)日：2016-03-15
申请号：US13606632
申请日：2012-09-07
申请人： Ramesh Muthusamy , Tushar Sureshgiri Gosavi , Rahul Chandrakant Patil , Ashok K. Santra , Sandip Prabhakar Patil , Kameswara Sri Sairam Pindiprolu
发明人： Ramesh Muthusamy , Tushar Sureshgiri Gosavi , Rahul Chandrakant Patil , Ashok K. Santra , Sandip Prabhakar Patil , Kameswara Sri Sairam Pindiprolu
IPC分类号： E21B33/138 , C04B28/02 , C09K8/467 , C09K8/42 , C09K8/473 , C04B28/18 , C04B111/10 , C04B111/20 , C04B111/22 , C04B111/23
CPC分类号： C04B28/021 , C04B28/18 , C04B2111/1037 , C04B2111/2015 , C04B2111/2092 , C04B2111/22 , C04B2111/23 , C09K8/426 , C09K8/467 , C09K8/473 , E21B33/138 , Y02W30/92 , Y02W30/93 , Y02W30/94 , C04B14/047 , C04B14/10 , C04B14/106 , C04B14/16 , C04B18/08 , C04B18/125 , C04B18/141 , C04B18/146 , C04B22/0093 , C04B2103/12 , C04B2103/22 , C04B2103/40 , C04B2103/44 , C04B2103/46 , C04B2103/50 , C04B7/32
摘要： Cement compositions may comprise an aluminosilicate; a sodium aluminate, a calcium aluminate, a potassium aluminate, or a combination thereof; and water. In some cases, the cement does not include Portland cement. The cement may be used in a subterranean formation having corrosive components therein, wherein the set cement sheath is resistant to degradation from the corrosive components within the subterranean formation.
摘要翻译：水泥组合物可以包含硅铝酸盐; 铝酸钠，铝酸钙，铝酸钾或其组合; 和水。在某些情况下，水泥不包括波特兰水泥。水泥可用于其中具有腐蚀性成分的地下地层中，其中固定的水泥护套耐地下地层内腐蚀性成分的降解。

8. 发明申请

US20120192768A1 Lost Circulation Compositions and Associated Methods 有权
标题翻译：失去的流通组成和相关方法
公开(公告)号：US20120192768A1
公开(公告)日：2012-08-02
申请号：US13443934
申请日：2012-04-11
申请人： Krishna Ravi , Rahul Chandrakant Patil , Sandip Prabhakar Patil , Sairam KS Pindiprolu , Craig Roddy , Ricky Convington , Jiten Chatterji , D. Chad Brenneis
发明人： Krishna Ravi , Rahul Chandrakant Patil , Sandip Prabhakar Patil , Sairam KS Pindiprolu , Craig Roddy , Ricky Convington , Jiten Chatterji , D. Chad Brenneis
IPC分类号： C04B28/06 , C04B28/04 , C04B18/06 , C04B28/08 , C04B2/02 , C08K3/00 , C04B14/00 , C04B28/14 , B82Y30/00
CPC分类号： C09K8/16 , C04B28/02 , C04B28/08 , C04B2103/0035 , C04B2111/00146 , C09K8/40 , C09K8/46 , C09K8/473 , C09K8/487 , C09K8/5045 , C09K8/516 , C09K2208/10 , Y02W30/94 , C04B14/062 , C04B14/10 , C04B14/28 , C04B14/30 , C04B18/146 , C04B20/008 , C04B2103/46
摘要： An embodiment includes a method of servicing a well bore. The method may comprise introducing a lost circulation composition into a lost circulation zone, the lost circulation composition comprising hydraulic cement, nano-particles, amorphous silica, clay, and water. The method further may comprise allowing the lost circulation composition to set in the lost circulation zone. Another embodiment includes a lost circulation composition. The lost circulation may comprise hydraulic cement, nano-particles, amorphous silica, clay, and water.
摘要翻译：一个实施例包括维修井眼的方法。该方法可以包括将失去循环组合物引入失去循环区域，所述失水循环组合物包含水硬性水泥，纳米颗粒，无定形二氧化硅，粘土和水。该方法还可以包括使丢失的循环组合物设置在流失区中。另一个实施方案包括丢失的循环组合物。损失的循环可以包括水硬性水泥，纳米颗粒，无定形二氧化硅，粘土和水。

9. 发明授权

US08685903B2 Lost circulation compositions and associated methods 有权
标题翻译：失水循环成分及相关方法
公开(公告)号：US08685903B2
公开(公告)日：2014-04-01
申请号：US13052471
申请日：2011-03-21
申请人： Krishna Ravi , Rahul Chandrakant Patil , Sandip Prabhakar Patil , Sairam KS Pindiprolu , Craig W. Roddy , Jiten Chatterji , D. Chad Brenneis , Ricky Covington
发明人： Krishna Ravi , Rahul Chandrakant Patil , Sandip Prabhakar Patil , Sairam KS Pindiprolu , Craig W. Roddy , Jiten Chatterji , D. Chad Brenneis , Ricky Covington
IPC分类号： C09K8/48 , E21B33/13
CPC分类号： C09K8/16 , C04B28/02 , C04B28/08 , C04B2103/0035 , C04B2111/00146 , C09K8/40 , C09K8/46 , C09K8/473 , C09K8/487 , C09K8/5045 , C09K8/516 , C09K2208/10 , Y02W30/94 , C04B14/062 , C04B14/10 , C04B14/28 , C04B14/30 , C04B18/146 , C04B20/008 , C04B2103/46
摘要： An embodiment includes a method of servicing a well bore. The method may comprise introducing a lost circulation composition into a lost circulation zone, the lost circulation composition comprising hydraulic cement, nano-particles, amorphous silica, clay, and water. The method further may comprise allowing the lost circulation composition to set in the lost circulation zone. Another embodiment includes a lost circulation composition. The lost circulation may comprise hydraulic cement, nano-particles, amorphous silica, clay, and water.
摘要翻译：一个实施例包括维修井眼的方法。该方法可以包括将失去循环组合物引入失去循环区域，所述失水循环组合物包含水硬性水泥，纳米颗粒，无定形二氧化硅，粘土和水。该方法还可以包括使丢失的循环组合物设置在流失区中。另一个实施方案包括丢失的循环组合物。损失的循环可以包括水硬性水泥，纳米颗粒，无定形二氧化硅，粘土和水。

10. 发明申请

US20130284439A1 WIDE TEMPERATURE RANGE CEMENT RETARDER 有权
标题翻译：宽温度范围水泥延迟器
公开(公告)号：US20130284439A1
公开(公告)日：2013-10-31
申请号：US13458718
申请日：2012-04-27
申请人： Tushar Sureshgir Gosavi , Ramesh Muthusamy , Rahul Chandrakant Patil , Sandip Prabhakar Patil
发明人： Tushar Sureshgir Gosavi , Ramesh Muthusamy , Rahul Chandrakant Patil , Sandip Prabhakar Patil
IPC分类号： E21B33/13 , C09K8/467
CPC分类号： C04B24/2688 , C04B24/163 , C04B28/02 , C09K8/467 , C04B24/003 , C04B24/18 , C04B24/2641 , C04B2103/20 , C04B2103/46
摘要： According to an embodiment, a composition is provided that can be used in a cementing. The composition includes at least: (i) a hydraulic cement; and (ii) a copolymer comprising at least the monomeric units (a) through (d) of the following formula: wherein the monomeric units (a) through (d) can be any sequence and any proportion in the copolymer. With water, the composition of the hydraulic cement and such a copolymer becomes a cement composition. According to the method, the cement composition is introduced into a well and allowed to set in the well.
摘要翻译：根据一个实施方案，提供可用于胶结剂的组合物。该组合物至少包括：（i）水硬性水泥; 和（ii）至少包含下式的单体单元（a）至（d）的共聚物：其中单体单元（a）至（d）可以是共聚物中的任何顺序和任何比例。使用水，水硬性水泥和这种共聚物的组成成为水泥组合物。根据该方法，将水泥组合物引入孔中并将其置于孔中。

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