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    • 45. 发明申请
    • Self-Viscosifying and Self-Breaking Gels
    • 自我敏感和自我破裂的凝胶
    • US20100093891A1
    • 2010-04-15
    • US12578209
    • 2009-10-13
    • Leiming LiSyed AliRichard D. HutchinsLijun LinCurtis L. BoneyCarlos AbadJavier Sanchez ReyesPaul R. Howard
    • Leiming LiSyed AliRichard D. HutchinsLijun LinCurtis L. BoneyCarlos AbadJavier Sanchez ReyesPaul R. Howard
    • C09K8/44C08F20/00
    • C09K8/5083C09K8/512C09K8/685C09K8/882C09K8/887
    • The invention provides a method. The method injects into a wellbore, a fluid comprising at least one of an acrylamide polymer and an acrylamide copolymer, and at least one of an oxidizing agent and a radical initiator; and allows viscosity of the fluid to increase for a first period of time; and subsequently, allows viscosity of the fluid to decrease for a second period of time. In a further aspect the invention provides a fluid for use in a well within a subterranean formation penetrated by a wellbore. The fluid is in a first embodiment, made of an acrylamide polymer and/or copolymer and an oxidizing agent or radical initiator, wherein concentration of the oxidizing agent or radical initiator is such that the fluid increases its viscosity for a period of time and after said period of time decreases its viscosity. The fluid is in a second embodiment, made of an acrylamide polymer and/or copolymer and an oxidizing agent or radical initiator, wherein the oxidizing agent or radical initiator is such that the fluid increases its viscosity for a period of time and after said period of time decreases its viscosity.
    • 本发明提供了一种方法。 该方法注入井眼,包含丙烯酰胺聚合物和丙烯酰胺共聚物中的至少一种以及氧化剂和自由基引发剂中的至少一种的流体; 并且允许流体的粘度在第一时间段内增加; 并且随后允许流体的粘度在第二时间段内降低。 在另一方面,本发明提供一种用于井眼穿透的地层内的井中的流体。 在第一实施方案中,流体由丙烯酰胺聚合物和/或共聚物和氧化剂或自由基引发剂制成,其中氧化剂或自由基引发剂的浓度使得流体在一段时间内增加其粘度,并且在所述 一段时间降低其粘度。 在第二实施方案中,流体由丙烯酰胺聚合物和/或共聚物和氧化剂或自由基引发剂制成,其中氧化剂或自由基引发剂使得流体在其一段时间内增加其粘度,并且在所述时间段 时间降低其粘度。
    • 48. 发明申请
    • Method of Modifying Permeability between Injection and Production Wells
    • 改善注射和生产井之间渗透性的方法
    • US20070267191A1
    • 2007-11-22
    • US11738020
    • 2007-04-20
    • Jochen PfeifferCurtis L. Boney
    • Jochen PfeifferCurtis L. Boney
    • E21B47/00E21B43/22
    • E21B33/138
    • The invention provides a method of treating a subterranean formation penetrated by at least one injection well and at least one production well, the method comprising the steps of a) analyzing the injection well, the production well, and reservoir contained in the subterranean formation; b) selecting at least one fluid and at least one permeability reducer to be placed in flow ways contained within the formation; and c) performing a formation permeability modification using the selected fluids and at least one permeability reducer, whereby the flow of injected driving fluid between the injection well and production well is substantially reduced. In one embodiment, the method of analyzing the injection well, the production well, and reservoir contained in the subterranean formation includes the steps of evaluation of completion information, reservoir data, or both.
    • 本发明提供了一种处理由至少一个注入井和至少一个生产井渗透的地层的方法,所述方法包括以下步骤:a)分析地下地层中所含的注入井,生产井和储层; b)选择至少一种流体和至少一个渗透率减小器以置于包含在地层内的流动路径中; 以及c)使用所选择的流体和至少一个渗透率减小器进行地层渗透率改性,由此在注入井和生产井之间喷射的驱动流体的流动显着减少。 在一个实施例中,分析地下地层中包含的注入井,生产井和储层的方法包括评估完井信息,储层数据或两者的步骤。