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    • 6. 发明申请
    • METHODS FOR MAXIMIZING SECOND FRACTURE LENGTH
    • 用于最大化第二断裂长度的方法
    • WO2008142406A3
    • 2009-01-15
    • PCT/GB2008001730
    • 2008-05-21
    • HALLIBURTON ENERGY SERV INCCURTIS PHILIP ANTHONYSURJAATMADJA JIM B
    • SURJAATMADJA JIM B
    • E21B43/26
    • 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 (215) with a first orientation (x) in a formation (210) followed by a second fracture (220) with a second angular orientation (y) 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. There is a time delay between inducing the first fracture and inducing the second fracture.
    • 本发明涉及用于在地层中诱导骨折的方法,系统和装置,更具体地涉及将具有第一取向(x)的第一断裂(215)放置在地层(210)中的方法和装置,随后是第二 在地层中具有第二角度取向(y)的断裂(220)。 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。 诱导第一次骨折并引起第二次骨折之间有时间延迟。
    • 8. 发明申请
    • SYSTEM AND METHOD FOR DETERMINING POSITION WITHIN A WELLBORE
    • 用于确定井壁位置的系统和方法
    • WO2011098767A3
    • 2012-04-26
    • PCT/GB2011000181
    • 2011-02-10
    • HALLIBURTON ENERGY SERV INCSURJAATMADJA JIM BBAILEY MICHAELHUNTER TIMOTHY HCURTIS PHILIP ANTHONY
    • SURJAATMADJA JIM BBAILEY MICHAELHUNTER TIMOTHY H
    • E21B23/03E21B47/09
    • E21B47/09E21B23/03E21B47/0915
    • A method of locating a wellbore feature, comprising delivering a mechanical position determination tool (100) into the wellbore, selectively causing an undulating curvature (110, 112, 114) of the mechanical position determination tool in response to a change in a fluid pressure, moving the mechanical position determination tool (100) along a longitudinal length of the wellbore, and sensing a change in resistance to continued movement of the mechanical position determination tool. A mechanical position location tool (100) for a wellbore, comprising pressure actuated elements configured to cooperate to selectively provide an unactuated state in which the mechanical position location tool lies substantially along a longitudinal axis (102) and the pressure actuated elements further configured to cooperate to selectively lie increasingly deviated from the longitudinal axis (102) in response to a change in pressure applied to the mechanical position location tool.
    • 一种定位井眼特征的方法,包括将机械位置确定工具(100)输送到井筒中,选择性地引起机械位置确定工具的起伏曲率(110,112,114)响应于流体压力的变化, 沿着井眼的纵向长度移动机械位置确定工具(100),并感测机械位置确定工具的持续移动的阻力的变化。 一种用于井眼的机械位置定位工具(100),包括压力致动元件,其被配置为协作以选择性地提供未致动状态,其中所述机械位置定位工具基本上位于纵向轴线(102)处,并且所述压力致动元件进一步构造成配合 以响应于施加到机械位置定位工具的压力变化而选择性地从纵向轴线(102)中偏离。
    • 9. 发明申请
    • SYSTEM AND METHOD FOR LATERAL WELLBORE ENTRY, DEBRIS REMOVAL, AND WELLBORE CLEANING
    • 用于横向进入的系统和方法,拆除和井筒清洁
    • WO2011073631A3
    • 2012-01-19
    • PCT/GB2010002322
    • 2010-12-22
    • HALLIBURTON ENERGY SERV INCSURJAATMADJA JIM BCURTIS PHILIP ANTHONY
    • SURJAATMADJA JIM B
    • E21B41/00
    • E21B41/0035
    • A method of servicing a wellbore is provided. The method comprises running a toolstring (32) into a wellbore (12) to a first depth, actuating a controllably rotating sub-assembly (38) of the toolstring to rotate, and activating a pressure activated bendable sub-assembly (36) of the toolstring to bend, wherein actuating the controllably rotating sub -assembly to rotate and activating the pressure activate bendable sub -assembly are performed in any sequence or concurrently. The method also comprises running the toolstring into the wellbore beyond the first depth and stabbing the toolstring into a window (42) in a wall of the wellbore to enter a lateral wellbore, wherein no whipstock is used to facilitate stabbing into the window. The method further includes running the toolstring into the lateral wellbore and performing a wellbore servicing operation in the lateral wellbore.
    • 提供了一种维修井筒的方法。 该方法包括将工具串(32)运行到井眼(12)中至第一深度,致动工具串的可控旋转的子组件(38)旋转,以及启动压力激活的可弯曲子组件(36) 用于弯曲的工具串,其中以任何顺序或同时执行致动可控旋转的子组件以旋转和启动压力激活可弯曲子组件。 该方法还包括将工具串进入井眼超过第一深度并将工具串刺入井眼的壁中的窗口(42)中以进入侧井筒,其中不使用造斜器以便于刺入窗口。 该方法还包括将工具串运行到侧井筒中,并在侧井筒中进行井筒维修操作。