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    • 5. 发明申请
    • VISCOSIFYING FRICTION REDUCERS
    • 粘附性摩擦降低剂
    • WO2016137945A2
    • 2016-09-01
    • PCT/US2016/019062
    • 2016-02-23
    • SOLVAY USA INC.
    • LIN, GenyaoVILLAFANE, LouisSAWANT, KailasCHEN, Shih-RueyFREDERICK, Kevin
    • C09K8/36C09K8/32
    • C09K8/64C09K8/36C09K8/68C09K8/725C09K8/82C09K2208/14C09K2208/28E21B43/26
    • 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.
    • 包含O / A比率为约1:8至约10:1的油相(O)和水相(A)的油包水乳液; 其中所述油包水乳液包含油相作为连续相,所述连续相包含惰性疏水性液体,至少一种水不溶性疏水性单体和至少一种表面活性剂,并且水相作为不同颗粒的分散相 包含水和水溶性聚合物的油相,所述水溶性聚合物包含:(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重量%至约35重量%的量存在。 还提供了油包水乳液,其包含O / A比为约1:8至约10:1的油相(O)和水相(A) 其中所述油包水乳液包含作为连续相的油相,所述连续相包含惰性疏水性液体和至少一种表面活性剂,并且所述水相作为包含水和水溶性的油相中的不同颗粒的分散相 (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性单体的聚合物; 其中所述水溶性聚合物以所述油包水乳液的10重量%至35重量%的量存在。 还提供了用油包水乳液处理一部分地下地层的方法。