公开(公告)号：WO2011158001A1

公开(公告)日：2011-12-22

申请号：PCT/GB2011/000918

申请日：2011-06-17

Applicant: HALLIBURTON ENERGY SERVICES INC ,  TARAFDAR, Abhijit ,  AK, Remitha ,  PATIL, Rahul, Chandrakant ,  WAGLE, Vikrant ,  CURTIS, Philip, Anthony

Inventor： TARAFDAR, Abhijit ,  AK, Remitha ,  PATIL, Rahul, Chandrakant ,  WAGLE, Vikrant

IPC: C09K8/12 ,  C09K8/40 ,  C09K8/52 ,  C09K8/66 ,  C09K8/70 ,  C04B18/16 ,  C04B28/02 ,  C04B28/04 ,  C04B28/08 ,  C09K8/42 ,  C09K8/46 ,  C09K8/467 ,  C09K8/473 ,  E21B33/13 ,  E21B47/00

CPC classification number: C09K8/514 ,  C04B28/02 ,  C04B2103/0028 ,  C09K8/12 ,  C09K8/40 ,  C09K8/487 ,  C04B2103/0049 ,  C04B2103/408 ,  C04B22/002 ,  C04B24/163 ,  C04B38/10 ,  C04B2103/406 ,  C04B24/2652 ,  C04B24/32 ,  C04B24/085 ,  C04B24/2688 ,  C04B24/02 ,  C04B24/38 ,  C04B24/16 ,  C04B24/2641

Abstract: According to an embodiment, a well treatment composition comprises: an aqueous liquid; a fluid loss additive, wherein the fluid loss additive comprises a high molecular weight, water-swellable polymer; and an amphiphilic dispersant, wherein the well treatment composition has an activity of at least 10%. According to another embodiment, a method of cementing in a subterranean formation comprises: introducing a cement composition into the subterranean formation, the cement composition comprising: (i) cement; (ii) water; and (iii) the well treatment composition; and allowing the cement composition to set.

Abstract translation: 根据一个实施方案，井处理组合物包含：水性液体; 流体损失添加剂，其中所述流体损失添加剂包括高分子量的水溶胀性聚合物; 和两亲性分散剂，其中所述井处理组合物具有至少10％的活性。 根据另一个实施方案，一种在地层中固井的方法包括：将水泥组合物引入所述地层中，所述水泥组合物包含：（i）水泥; （ii）水; 和（iii）井处理组合物; 并允许水泥组合物固化。

公开(公告)号：WO2015147781A1

公开(公告)日：2015-10-01

申请号：PCT/US2014/031591

申请日：2014-03-24

Applicant: HALLIBURTON ENERGY SERVICES, INC.

Inventor： PATIL, Sandip, P. ,  PATIL, Rahul, C. ,  AK, Remitha

IPC: C09K8/14 ,  C09K8/03 ,  E21B43/22

CPC classification number: C09K8/46 ,  C04B22/004 ,  C04B28/02 ,  C04B2111/00474 ,  C09K8/145 ,  C09K8/16 ,  C09K8/40 ,  C09K8/487 ,  C09K8/602 ,  C09K8/84 ,  C09K8/845 ,  C04B14/06 ,  C04B14/10 ,  C04B20/002 ,  C04B22/0026 ,  C04B2103/12 ,  C04B2103/46

Abstract: A method of treating a subterranean formation comprising: forming a treatment fluid by adding a desired volume of a liquid concentrate suspension to at least a base fluid, wherein the treatment fluid comprises the liquid concentrate suspension and the base fluid, and wherein the liquid concentrate suspension comprises: (A) water; (B) an additive; and (C) a magnesium silicate clay, wherein the clay increases the viscosity of the water, wherein the liquid concentrate suspension is stable for a time period of at least 2 weeks; and introducing the treatment fluid into the subterranean formation.

Abstract translation: 一种处理地下地层的方法，包括：通过向至少一种基础流体添加所需体积的液体浓缩物悬浮液来形成处理流体，其中处理流体包括液体浓缩物悬浮液和基础液体，并且其中液体浓缩物悬浮液 包括：（A）水; （B）添加剂; 和（C）硅酸镁粘土，其中粘土增加水的粘度，其中液体浓缩物悬浮液在至少2周的时间内是稳定的; 并将处理流体引入到地层中。

公开(公告)号：WO2011158003A1

公开(公告)日：2011-12-22

申请号：PCT/GB2011/000921

申请日：2011-06-17

Applicant: HALLIBURTON ENERGY SERVICES, INC. ,  SARAP, Girish, Dinkar ,  TARAFDAR, Abhijit ,  AK, Remitha ,  CURTIS, Philip, Anthony

Inventor： SARAP, Girish, Dinkar ,  TARAFDAR, Abhijit ,  AK, Remitha

IPC: C04B28/02 ,  C09K8/487

CPC classification number: C09K8/487 ,  C04B28/02 ,  C04B24/18 ,  C04B24/38 ,  C04B2103/0059 ,  C04B2103/0072 ,  C04B2103/46 ,  C04B24/2652 ,  C04B24/287 ,  C04B24/2623 ,  C04B24/2641

Abstract: According to an embodiment, a fluid loss additive comprises a biodegradable grafted copolymer, wherein the copolymer comprises: (i) a first polymer comprising a monomer or monomers selected from the group consisting of acrylamido-2-methylpropane sulfonic acid, N-N dimethyl acrylamide, N-vinyl-N- methylaceamide, N-vinylformamide, N-vinylpyrrolidone, acrylonitrile, acrylamide, acrylomorpholine, vinyl alcohol, maleic anhydride, acrylic acid, and any combination thereof; and (ii) a second polymer, wherein the first polymer is grafted onto the second polymer. According to another embodiment, a method of cementing in a low-temperature subterranean formation comprises: introducing a cement composition into the subterranean formation comprising: (i) cement; (ii) water; and (iii) the fluid loss additive; and allowing the cement composition to set. According to another embodiment, a method of cementing in a high-temperature subterranean formation comprises: introducing a cement composition into the subterranean formation comprising: (i) cement; (ii) water; (iii) a clay; and (iv) the fluid loss additive; and allowing the cement composition to set.

Abstract translation: 根据一个实施方案，流体损失添加剂包括可生物降解的接枝共聚物，其中所述共聚物包含：（i）第一聚合物，其包含选自丙烯酰胺基-2-甲基丙磺酸，NN二甲基丙烯酰胺，N 乙烯基-N-甲基酰胺，N-乙烯基甲酰胺，N-乙烯基吡咯烷酮，丙烯腈，丙烯酰胺，丙烯酰吗啉，乙烯醇，马来酸酐，丙烯酸及其任意组合; 和（ii）第二聚合物，其中第一聚合物接枝到第二聚合物上。 根据另一个实施方案，一种在低温地下地层中固井的方法包括：将水泥组合物引入所述地层中，包括：（i）水泥; （ii）水; 和（iii）流体损失添加剂; 并允许水泥组合物固化。 根据另一个实施方案，一种在高温地下地层中固井的方法包括：将水泥组合物引入所述地层中，包括：（i）水泥; （ii）水; （iii）粘土; 和（iv）流体损失添加剂; 并允许水泥组合物固化。

公开(公告)号：WO2011154693A1

公开(公告)日：2011-12-15

申请号：PCT/GB2011/000858

申请日：2011-06-07

Applicant: HALLIBURTON ENERGY SERVICES, INC ,  TARAFDAR, Abhijit ,  AK, Remitha ,  CURTIS, Philip, Anthony

Inventor： TARAFDAR, Abhijit ,  AK, Remitha

IPC: C09K8/03 ,  C09K8/36 ,  C09K8/40 ,  C09K8/66 ,  C09K8/70 ,  C04B18/16 ,  C04B28/02 ,  C04B28/04 ,  C04B28/08 ,  C09K8/42 ,  C09K8/46 ,  C09K8/467 ,  C09K8/473 ,  E21B47/00 ,  C09K8/28

CPC classification number: C09K8/03 ,  C04B28/02 ,  C04B2103/0035 ,  C04B2103/0036 ,  C04B2103/46 ,  C09K8/467 ,  C09K8/487 ,  C09K8/502 ,  C04B14/10 ,  C04B24/38 ,  C04B24/2641 ,  C04B24/2652 ,  C04B24/2664 ,  C04B24/383 ,  C04B2103/0049 ,  C04B2103/0082

Abstract: The present invention provides a well treatment composition comprising: a water- soluble, organic liquid, wherein the organic liquid comprises the continuous phase of the well treatment composition, and wherein the organic liquid comprises a polyglycol or a derivative of polyglycol; a fluid loss additive, wherein the fluid loss additive is insoluble in the organic liquid, and wherein the fluid loss additive comprises a high molecular weight, water-swellable polymer; and a suspending agent, wherein the suspending agent comprises an organophilic clay, wherein the well treatment composition has an activity of at least 15%. The present invention also provides a method of cementing in a subterranean formation comprising: introducing a cement composition into the subterranean formation, the cement composition comprising: (i) cement; (ii) water; and (iii) the well treatment composition; and allowing the cement composition to set after introduction into the subterranean formation.

Abstract translation: 本发明提供一种井处理组合物，其包含：水溶性有机液体，其中所述有机液体包含所述井处理组合物的连续相，并且其中所述有机液体包含聚二醇或聚二醇衍生物; 流体损失添加剂，其中所述流体损失添加剂不溶于所述有机液体，并且其中所述流体损失添加剂包含高分子量的水溶胀性聚合物; 和悬浮剂，其中所述悬浮剂包含亲有机粘土，其中所述井处理组合物具有至少15％的活性。 本发明还提供了一种在地层中固井的方法，包括：将水泥组合物引入地层，所述水泥组合物包括：（i）水泥; （ii）水; 和（iii）井处理组合物; 并且允许水泥组合物在引入地层之后固化。