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    • 2. 发明申请
    • AUTOMATED STEERABLE HOLE ENLARGEMENT DRILLING DEVICE AND METHODS
    • 自动化方向钻孔钻孔装置及方法
    • WO2007103245A2
    • 2007-09-13
    • PCT/US2007/005486
    • 2007-03-02
    • BAKER HUGHES INCORPORATEDTREVIRANUS, JoachimFREYER, CarstenOPPELAAR, Hans-robert
    • TREVIRANUS, JoachimFREYER, CarstenOPPELAAR, Hans-robert
    • E21B10/32E21B47/12
    • E21B10/322E21B7/06E21B47/12
    • A bottomhole assembly (BHA) coupled to a drill string includes a steering device, one or more controllers, and a hole enlargement device that selectively enlarges the diameter of the wellbore formed by the drill bit. In an automated drilling mode, the controller controls drilling directing by issuing instructions to the steering device. In one arrangement, the hole enlargement device is integrated into a shaft of a drilling motor that rotates the drill bit. The hole enlargement device includes an actuation unit and an electronics package that cooperate to translate extendable cutting elements between a radially extended position and a radially retracted position. The electronics package may be responsive to a signal that is transmitted from a downhole and/or a surface location. The hole enlargement device may also include one or more position sensors that transmit a position signal indicative of a radial position of the cutting elements.
    • 耦合到钻柱的井底组件(BHA)包括转向装置,一个或多个控制器以及选择性地扩大由钻头形成的井眼的直径的孔扩大装置。 在自动钻孔模式中,控制器通过向转向装置发出指令来控制钻孔定向。 在一种布置中,孔放大装置集成在钻头的旋转钻头的轴中。 孔扩大装置包括致动单元和电子封装,其协作以在径向延伸位置和径向缩回位置之间平移可延伸的切割元件。 电子封装可以响应于从井下和/或表面位置传输的信号。 孔扩大装置还可以包括一个或多个位置传感器,其传送指示切割元件的径向位置的位置信号。
    • 5. 发明申请
    • AUTOMATED STEERABLE HOLE ENLARGEMENT DRILLING DEVICE AND METHODS
    • 自动化方向钻孔钻孔装置及方法
    • WO2007103245A3
    • 2007-11-01
    • PCT/US2007005486
    • 2007-03-02
    • BAKER HUGHES INCTREVIRANUS JOACHIMFREYER CARSTENOPPELAAR HANS-ROBERT
    • TREVIRANUS JOACHIMFREYER CARSTENOPPELAAR HANS-ROBERT
    • E21B10/32E21B47/12
    • E21B10/322E21B7/06E21B47/12
    • A bottomhole assembly (BHA) coupled to a drill string includes a steering device (115) , one or more controllers, and a hole enlargement device (110) that selectively enlarges the diameter of the wellbore formed by the drill bit. In an automated drilling mode, the controller controls drilling directing by issuing instructions to the steering device. In one arrangement, the hole enlargement device is integrated into a shaft of a drilling motor (120) that rotates the drill bit (102) . The hole enlargement device includes an actuation unit and an electronics package that cooperate to translate extendable cutting elements (210) between a radially extended position and a radially retracted position. The electronics package may be responsive to a signal that is transmitted from a downhole and/or a surface location. The hole enlargement device may also include one or more position sensors (232) that transmit a position signal indicative of a radial position of the cutting elements.
    • 联接到钻柱的井底组件(BHA)包括转向装置(115),一个或多个控制器和可以选择性地扩大由钻头形成的井眼的直径的孔扩大装置(110)。 在自动钻孔模式中,控制器通过向转向装置发出指令来控制钻孔定向。 在一种布置中,孔扩大装置被集成到旋转钻头(102)的钻孔马达(120)的轴中。 孔放大装置包括致动单元和电子封装,其协作以在径向延伸位置和径向缩回位置之间平移可延伸切割元件(210)。 电子封装可以响应于从井下和/或表面位置传输的信号。 孔扩大装置还可以包括一个或多个位置传感器(232),其传送指示切割元件的径向位置的位置信号。