公开(公告)号：US20180244974A1

公开(公告)日：2018-08-30

申请号：US15755113

申请日：2016-08-25

Applicant: SOLVAY USA INC.

Inventor： Kailas SAWANT ,  Louis VILLAFANE ,  Kevin FREDERICK ,  Shih-Ruey CHEN ,  Randy LOEFFLER

IPC: C09K8/36 ,  C09K8/64 ,  C09K8/72 ,  C09K8/82

CPC classification number: C09K8/36 ,  C09K8/64 ,  C09K8/725 ,  C09K8/82 ,  C09K2208/28

Abstract: A water-in-oil emulsion having an oil phase (O) and an aqueous phase (A) at an O/A ratio of from about 1:8 to about 10:1; wherein the water-in-oil emulsion includes the oil phase as a continuous phase that includes an inert hydrophobic liquid, and the aqueous phase as a dispersed phase of distinct particles in the oil phase that includes water, a water soluble polymer, and at least one surfactant; wherein the water soluble polymer includes from about 1 to about 60 weight percent of one or more cationic monomers, wherein the amount is by total weight of the water soluble polymer; wherein the water soluble polymer is present in an amount from about 5 to about 40 weight percent of the water-in-oil emulsion; and wherein an aqueous solution prepared by inverting the water-in-oil emulsion by adding it to water has at least comparable viscosity build to an aqueous solution made from a water-in-oil emulsion of the same composition containing 15 weight percent more water soluble polymer. Also provided is a method of treating a portion of a subterranean formation that includes the steps of: (a) providing a water-in-oil emulsion according to the present disclosure; (b) inverting the water-in-oil emulsion by adding it to water at from about 0.1 to about 5 gallons of water-in-oil emulsion per thousand gallons of water to form a friction reducing treatment solution containing from about 0.0005 weight percent to about 0.12 weight percent water soluble polymer based on the weight of the treatment solution; and (c) introducing the treatment solution into the portion of the subterranean formation.

公开(公告)号：US20160251567A1

公开(公告)日：2016-09-01

申请号：US15050824

申请日：2016-02-23

Applicant: Solvay USA Inc.

Inventor： Genyao LIN ,  Louis VILLAFANE ,  Kailas SAWANT ,  Shih-Ruey CHEN ,  Kevin FREDERICK

IPC: C09K8/64 ,  C09K8/82 ,  C09K8/72 ,  C09K8/36

CPC classification number: C09K8/64 ,  C09K8/36 ,  C09K8/68 ,  C09K8/725 ,  C09K8/82 ,  C09K2208/14 ,  C09K2208/28 ,  E21B43/26

Abstract: A water-in-oil emulsion that includes an oil phase (O) and an aqueous phase (A) at an O/A ratio of from about 1:8 to about 10:1; wherein the water-in-oil emulsion includes the oil phase as a continuous phase that includes an inert hydrophobic liquid, at least one water-insoluble hydrophobic monomer, and at least one surfactant, and the aqueous phase as a dispersed phase of distinct particles in the oil phase that includes water and a water soluble polymer that includes: (i) at least one acrylamide monomer and (ii) at least one acrylic acid monomer; wherein the water soluble polymer is present in an amount from about 10 to about 35 weight percent of the water-in-oil emulsion. Also provided is water-in-oil emulsion that includes an oil phase (O) and an aqueous phase (A) at an O/A ratio of from about 1:8 to about 10:1; wherein the water-in-oil emulsion includes the oil phase as a continuous phase that includes an inert hydrophobic liquid and at least one surfactant, and the aqueous phase as a dispersed phase of distinct particles in the oil phase that includes water and a water soluble polymer that includes: (i) at least one acrylamide monomer, (ii) at least one acrylic acid monomer, and (iii) at least one water soluble hydrophobic monomer; wherein the water soluble polymer is present in an amount from 10 to 35 weight percent of the water-in-oil emulsion. Methods of treating a portion of a subterranean formation with a water-in-oil emulsion are also provided.

Abstract translation: 包含油相（O）和水相（A）的油包水乳液，O / A比为约1:8至约10:1; 其中所述油包水乳液包括作为连续相的油相，其包含惰性疏水性液体，至少一种水不溶性疏水单体和至少一种表面活性剂，并且所述水相作为不同颗粒的分散相 包括水和水溶性聚合物的油相包括：（i）至少一种丙烯酰胺单体和（ii）至少一种丙烯酸单体; 其中所述水溶性聚合物以所述油包水乳液的约10至约35重量％的量存在。 还提供了包含油相（O）和水相（A）的油包水乳液，O / A比为约1:8至约10:1; 其中所述油包水乳液包括作为连续相的油相，其包含惰性疏水性液体和至少一种表面活性剂，所述水相作为油相中不同颗粒的分散相，包括水和水溶性 聚合物，其包括：（i）至少一种丙烯酰胺单体，（ii）至少一种丙烯酸单体，和（iii）至少一种水溶性疏水单体; 其中水溶性聚合物以油包水乳液的10至35重量％的量存在。 还提供了用油包水乳液处理部分地下地层的方法。