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    GELLING FLUIDS AND RELATED METHODS OF USE
    3.
    发明申请
    GELLING FLUIDS AND RELATED METHODS OF USE 审中-公开
    胶凝流体和相关的使用方法

    公开(公告)号：WO2017066585A1

    公开(公告)日：2017-04-20

    申请号：PCT/US2016/057063

    申请日：2016-10-14

    Applicant: RHODIA OPERATIONS ,  LIM, SueAnn ,  NDONG, Rose ,  SHEN, Lingjuan ,  RABIE, Ahmed ,  DAHANAYAKE, Manilal, S.

    Inventor： LIM, SueAnn ,  NDONG, Rose ,  SHEN, Lingjuan ,  RABIE, Ahmed ,  DAHANAYAKE, Manilal, S.

    IPC: C09K8/68 ,  C09K8/035 ,  C09K105/00

    CPC classification number: C09K8/74 ,  C09K2208/12 ,  C09K2208/32 ,  E21B43/25

    Abstract: Methods of acidizing a subterranean formation penetrated by a wellbore that include the steps of (a) injecting into the wellbore at a pressure below subterranean formation fracturing pressure a treatment fluid having a first viscosity and including an aqueous acid and a gelling agent of Formula (II): wherein R 1 is (C x H y ), wherein x ranges from 17 to 21 and y = 2x+1or 2x-1; R 5 is hydrogen or -CH 3 ; R 6 is -CH 2 -CH 2 -CH 2 -; and R 2 , R 3 , and R 4 are each -CH 3 ; (b) forming at least one void in the subterranean formation with the treatment fluid; and (c) allowing the treatment fluid to attain a second viscosity that is greater than the first viscosity.

    Abstract translation: 酸化被井筒穿透的地下地层的方法，其包括以下步骤：（a）在低于地下地层压裂压力的压力下将具有第一粘度并包括含水酸的处理流体注入井筒中 和式（II）的胶凝剂：其中R 1为（C≡Hy），其中x为17至21，并且 y = 2x + 1或2x-1; R 5是氢或-CH 3 3; R 6是-CH 2 -CH 2 -CH 2 -CH 2 - 。 且R 2，R 3和R 4各自为-CH 3 3;以及R 2，R 3和R 4各自为-CH 3。 （b）用所述处理流体在所述地下地层中形成至少一个空隙; 和（c）使处理流体达到大于第一粘度的第二粘度。

    VISCOSIFYING FRICTION REDUCERS
    5.
    发明申请
    VISCOSIFYING FRICTION REDUCERS 审中-公开
    粘附性摩擦降低剂

    公开(公告)号：WO2016137945A2

    公开(公告)日：2016-09-01

    申请号：PCT/US2016/019062

    申请日：2016-02-23

    Applicant: SOLVAY USA INC.

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

    IPC: C09K8/36 ,  C09K8/32

    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。

    SHEAR RECOVERY FOR VISCOSIFYING SURFACTANTS IN STIMULATION FLUIDS
    9.
    发明申请
    SHEAR RECOVERY FOR VISCOSIFYING SURFACTANTS IN STIMULATION FLUIDS 审中-公开
    对刺激流体中粘性表面活性剂的剪切回收

    公开(公告)号：WO2017205599A1

    公开(公告)日：2017-11-30

    申请号：PCT/US2017/034424

    申请日：2017-05-25

    Applicant: RHODIA OPERATIONS ,  NDONG, Rose ,  LIN, Genyao ,  KESAVAN, Subramanian ,  VILLAFANE, Louis ,  ZHOU, Jian

    Inventor： NDONG, Rose ,  LIN, Genyao ,  KESAVAN, Subramanian ,  VILLAFANE, Louis ,  ZHOU, Jian

    IPC: C09K8/60 ,  C09K8/68 ,  C09K8/584

    Abstract: A method of reducing shear recovery time of a viscosifying surfactant fluid system that includes introducing a viscosifying surfactant fluid system into a subterranean formation, wherein the fluid includes a major portion of a surfactant and a hydrophobically-modified associative polymer in a concentration sufficient to shorten the shear recovery time of the fluid system compared to the shear recovery time of the fluid system without the polymer.

    Abstract translation: 一种减少增粘表面活性剂流体体系的剪切恢复时间的方法，其包括将增粘表面活性剂流体体系引入地下地层中，其中所述流体包括主要部分的表面活性剂和疏水改性缔合 聚合物的浓度足以缩短流体系统的剪切恢复时间，与没有聚合物的流体系统的剪切恢复时间相比较。

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