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    • 91. 发明授权
    • Methods for maximizing second fracture length
    • 最大化第二断裂长度的方法
    • US07711487B2
    • 2010-05-04
    • US11753314
    • 2007-05-24
    • Jim B. Surjaatmadja
    • Jim B. Surjaatmadja
    • G01V9/00
    • E21B43/26
    • The present invention relates to methods, systems, and apparatus for inducing fractures in a subterranean formation and more particularly to methods and apparatus to place a first fracture with a first orientation in a formation followed by a second fracture with a second angular orientation in the formation. The first and second fractures are initiated at about a fracturing location. The initiation of the first fracture is characterized by a first orientation line. The first fracture temporarily alters a stress field in the subterranean formation. The initiation of the second fracture is characterized by a second orientation line. The first orientation line and the second orientation line have an angular disposition to each other.
    • 本发明涉及用于在地层中诱发裂缝的方法,系统和装置,更具体地涉及将地层中具有第一取向的第一断裂放置在地层中,随后在地层中具有第二角度取向的第二断裂的方法和装置 。 第一和第二裂缝在约一个压裂位置处开始。 第一断裂的开始的特征在于第一取向线。 第一个裂缝暂时改变了地层中的应力场。 第二断裂的开始的特征在于第二取向线。 第一取向线和第二取向线彼此具有角度配置。
    • 98. 发明申请
    • Methods for Maximizing Second Fracture Length
    • 最大化第二断裂长度的方法
    • US20080083532A1
    • 2008-04-10
    • US11753314
    • 2007-05-24
    • Jim B. Surjaatmadja
    • Jim B. Surjaatmadja
    • E21B47/00
    • E21B43/26
    • The present invention relates to methods, systems, and apparatus for inducing fractures in a subterranean formation and more particularly to methods and apparatus to place a first fracture with a first orientation in a formation followed by a second fracture with a second angular orientation in the formation. The first and second fractures are initiated at about a fracturing location. The initiation of the first fracture is characterized by a first orientation line. The first fracture temporarily alters a stress field in the subterranean formation. The initiation of the second fracture is characterized by a second orientation line. The first orientation line and the second orientation line have an angular disposition to each other.
    • 本发明涉及用于在地层中诱发裂缝的方法,系统和装置,更具体地涉及将地层中具有第一取向的第一断裂放置在地层中,随后在地层中具有第二角度取向的第二断裂的方法和装置 。 第一和第二裂缝在约一个压裂位置处开始。 第一断裂的开始的特征在于第一取向线。 第一个裂缝暂时改变了地层中的应力场。 第二断裂的开始的特征在于第二取向线。 第一取向线和第二取向线彼此具有角度配置。
    • 99. 发明申请
    • Methods of fracturing a subterranean formation using a jetting tool and a viscoelastic surfactant fluid to minimize formation damage
    • 使用喷射工具和粘弹性表面活性剂流体压裂地下地层以最小化地层损伤的方法
    • US20080078548A1
    • 2008-04-03
    • US11540880
    • 2006-09-29
    • Richard W. PaulsJim B. SurjaatmadjaThomas D. Welton
    • Richard W. PaulsJim B. SurjaatmadjaThomas D. Welton
    • E21B43/267E21B43/114
    • E21B43/114C09K8/68C09K2208/30E21B43/26
    • A method of fracturing a production interval of a subterranean formation adjacent a wellbore that is open hole or has an uncemented liner is provided. The method comprises the steps of: (a) perforating a zone of the production interval by injecting a pressurized fluid through a hydrajetting tool into the subterranean formation, so as to form one or more perforation tunnels; and (b) injecting a fracturing fluid into the one or more perforation tunnels so as to create at least one fracture along each of the one or more perforation tunnels; wherein at least a portion of at least one of the pressurized fluid and the fracturing fluid comprises a viscoelastic surfactant fluid. According to another aspect, a method of fracturing a production interval of a subterranean formation adjacent a wellbore that is open hole or has an uncemented liner is provided, wherein the method comprises the steps of: (a) perforating a zone of the production interval by injecting a pressurized fluid through a hydrajetting tool into the subterranean formation, so as to form one or more perforation tunnels; (b) injecting a fracturing fluid into the one or more perforation tunnels so as to create at least one fracture along each of the one or more perforation tunnels; and (c) plugging at least partially the one or more fractures in the zone with an isolation fluid; wherein at least a portion of at least one of the pressurized fluid, the fracturing fluid, and the isolation fluid comprises a viscoelastic surfactant fluid.
    • 提供了一种在靠近井眼或具有非水槽衬套的井筒上压裂地层的生产间隔的方法。 该方法包括以下步骤:(a)通过将加压流体通过水力喷射工具注入到地下地层中来对生产区间进行穿孔,以便形成一个或多个穿孔隧道; 和(b)将压裂流体注入到所述一个或多个穿孔隧道中,以便沿着所述一个或多个穿孔隧道中的每一个产生至少一个裂缝; 其中所述加压流体和压裂流体中的至少一个的至少一部分包括粘弹性表面活性剂流体。 根据另一方面,提供了一种压裂邻近井眼或具有未凝固衬套的井眼的地层的生产间隔的方法,其中所述方法包括以下步骤:(a)通过以下步骤穿过生产间隔区: 将加压流体通过水力喷射工具注入到地下地层中,以形成一个或多个穿孔隧道; (b)将压裂流体注入到所述一个或多个穿孔隧道中,以便沿着所述一个或多个穿孔隧道中的每一个产生至少一个裂缝; 和(c)用隔离流体至少部分地堵塞该区域中的一个或多个裂缝; 其中所述加压流体,压裂流体和所述分离流体中的至少一个的至少一部分包括粘弹性表面活性剂流体。