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    • 1. 发明申请
    • LONG REACH ROTARY DRILLING ASSEMBLY
    • 长达旋转钻机组
    • WO0109478A9
    • 2002-09-19
    • PCT/US0020885
    • 2000-07-31
    • WESTERN WELL TOOL INCKRUEGER R ERNSTMOORE N BRUCEBEAUFORT RONALD EBLOOM DUANE T
    • KRUEGER R ERNSTMOORE N BRUCEBEAUFORT RONALD EBLOOM DUANE T
    • E21B4/18E21B7/06E21B23/00E21B23/08E21B44/00E21B4/00
    • E21B23/08E21B4/18E21B7/062E21B7/068E21B44/005E21B2023/008
    • A long reach rotary drilling assembly comprises an elongated conduit, a drill bit (122), a 3-D steering tool (118) on the conduit, and a tractor (110) on the conduit for applying force to the drill bit. The steering tool includes a telemetry section (100), a rotary section (224), and a flex section (272) assembled as an integrated system in series along the length of the tool. The flex section (226) comprises a flexible drive shaft (244) to which a bending force is applied when making inclination angle adjustments. The rotary section (224) includes a deflection housing which rotates for making a azimuth angle adjustments. The telemetry section (100) receives inclination and azimuth angle steering commands together with actual inclination and azimuth angle feedback signals for controlling course. A propulsion assembly moves the tractor with respect to the gripper (1104) while the gripper portion is in the first position. The tractor (110) applies force to the drill bit for drilling the bore along a desired course the direction of which is controlled by the 3-D steering tool (118).
    • 长距离旋转钻井组件包括细长导管,钻头(122),导管上的3-D转向工具(118)以及用于向钻头施加力的导管上的牵引器(110)。 所述转向工具包括遥测部分(100),旋转部分(224)和弯曲部分(272),所述弯曲部分(272)沿着所述工具的长度被组装为一体化系统。 弯曲部分(226)包括柔性驱动轴(244),当进行倾斜角度调整时,施加弯曲力。 旋转部分(224)包括偏转壳体,该偏转壳体旋转以进行方位角调节。 遥测部分(100)接收斜率和方位角转向指令以及实际的倾斜度和方位角反馈信号以用于控制过程。 当夹具部分处于第一位置时,推进组件相对于夹持器移动牵引器(1104)。 拖拉机(110)向钻头施加力,以沿着其方向由三维转向工具(118)控制的期望过程钻孔。
    • 2. 发明申请
    • LONG REACH ROTARY DRILLING ASSEMBLY
    • 长达旋转钻机组
    • WO2001009478A1
    • 2001-02-08
    • PCT/US2000/020885
    • 2000-07-31
    • WESTERN WELL TOOL, INC.KRUEGER, R., ErnstMOORE, N., BruceBEAUFORT, Ronald, E.BLOOM, Duane, T.
    • KRUEGER, R., ErnstMOORE, N., BruceBEAUFORT, Ronald, E.BLOOM, Duane, T.
    • E21B4/00
    • E21B23/08E21B4/18E21B7/062E21B7/068E21B44/005E21B2023/008
    • A long reach rotary drilling assembly comprises an elongated conduit, a drill bit (122), a 3-D steering tool (118) on the conduit, and a tractor (110) on the conduit for applying force to the drill bit. The steering tool includes a telemetry section (100), a rotary section (224), and a flex section (272) assembled as an integrated system in series along the length of the tool. The flex section (226) comprises a flexible drive shaft (244) to which a bending force is applied when making inclination angle adjustments. The rotary section (224) includes a deflection housing which rotates for making a azimuth angle adjustments. The telemetry section (100) receives inclination and azimuth angle steering commands together with actual inclination and azimuth angle feedback signals for controlling course. A propulsion assembly moves the tractor with respect to the gripper (1104) while the gripper portion is in the first position. The tractor (110) applies force to the drill bit for drilling the bore along a desired course the direction of which is controlled by the 3-D steering tool (118).
    • 长距离旋转钻井组件包括细长导管,钻头(122),导管上的3-D转向工具(118)以及用于向钻头施加力的导管上的牵引器(110)。 所述转向工具包括遥测部分(100),旋转部分(224)和弯曲部分(272),所述弯曲部分(272)沿着所述工具的长度被组装为一体化系统。 弯曲部分(226)包括柔性驱动轴(244),当进行倾斜角度调整时,施加弯曲力。 旋转部分(224)包括偏转壳体,该偏转壳体旋转以进行方位角调节。 遥测部分(100)接收斜率和方位角转向指令以及实际的倾斜度和方位角反馈信号以用于控制过程。 当夹具部分处于第一位置时,推进组件相对于夹持器移动牵引器(1104)。 拖拉机(110)向钻头施加力,以沿着其方向由三维转向工具(118)控制的期望过程钻孔。