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    • 8. 发明申请
    • SYSTEM AND METHODS FOR BREAKING FRICTION REDUCERS IN-SITU
    • 系统和方法在现场打破摩擦减少器
    • WO2017074326A1
    • 2017-05-04
    • PCT/US2015/057651
    • 2015-10-27
    • HALLIBURTON ENERGY SERVICES, INC.
    • CHUNG, HsinChenCHOPADE, Prashant Dinkar
    • E21B43/26C09K8/88E21B43/17C09K8/60
    • C09K8/887C09K8/528C09K8/602C09K8/605C09K8/68C09K8/685C09K8/74C09K8/882C09K2208/14C09K2208/24C09K2208/26C09K2208/28C09K2208/32
    • The present disclosure generally relates to a system and methods for breaking friction reducers in subterranean formations in-situ during hydraulic fracturing operations. A method of fracturing a subterranean formation is disclosed, including providing a well treating fluid, adding a friction reducer into a water phase of an emulsion, adding a breaker into the water phase, and injecting the well treating fluid into the subterranean formation at a pressure sufficient to fracture the subterranean formation and invert the emulsion and double emulsion, thereby allowing the breaker to break the friction reducer. A friction reducer-breaker system for breaking a friction reducer polymer in-situ is also disclosed, including an oil phase, a water phase including friction reducer polymers and breakers in double emulsion dispersed throughout the water phase, wherein, the emulsion and double emulsion are configured to invert under shear, thereby providing for mixing between the friction reducer polymers and the breakers.
    • 本公开总体上涉及用于在水力压裂操作期间在地下破碎地下地层中的减摩剂的系统和方法。 公开了一种压裂地下地层的方法,包括提供井处理流体,将减
      摩剂添加到乳液的水相中,将破乳剂添加到水相中,并将井处理流体在压力下注入地下地层 足以使地下地层破裂并将乳液和双乳液转化,从而使破乳剂破坏减摩剂。 还公开了一种用于原位破坏减摩剂聚合物的减摩剂破坏剂系统,其包括油相,包含减摩剂聚合物的水相和分散在整个水相中的双乳液中的破胶剂,其中所述乳液和双重乳液是 配置成在剪切下反转,从而提供减摩剂聚合物与破碎机之间的混合。