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    • 1. 发明申请
    • Adjustable bent housing apparatus and method
    • 可调式弯曲式外壳装置及方法
    • US20090159339A1
    • 2009-06-25
    • US12004346
    • 2007-12-20
    • Gunther HH Von Gynz-RekowskiWilliam Christian HerbenDaryl Elliot Bolejack
    • Gunther HH Von Gynz-RekowskiWilliam Christian HerbenDaryl Elliot Bolejack
    • E21B7/08
    • E21B7/067
    • An apparatus for controlling the direction of drill bit within a wellbore. The apparatus comprises a first housing with a first housing axis therein, and wherein the first housing has a first threaded opening having a first threaded opening axis. The first housing has a helical end. A second housing is included, and the second housing contains a second housing axis, and a second threaded opening having a second threaded opening axis configured to engage with the first threaded opening. A collar is included that has a helical collar end that engages the helical collar end and wherein the helical collar end is configured reciprocal to the helical end, and rotational displacement of the first housing relative to the collar will angularly displace the drill bit axis. The apparatus may further include spline members for locking the collar in place relative to the first and second housing.
    • 一种用于控制井筒内钻头方向的装置。 该装置包括其中具有第一壳体轴线的第一壳体,并且其中第一壳体具有带有第一螺纹开口轴线的第一螺纹孔。 第一壳体具有螺旋端。 包括第二壳体,并且第二壳体包含第二壳体轴线,以及第二螺纹开口,其具有构造成与第一螺纹开口接合的第二螺纹开口轴线。 包括一个套环,其具有接合螺旋套环端部的螺旋套环端部,并且其中螺旋套环端部被构造为与螺旋端部相互倒置,并且第一壳体相对于套环的旋转位移将使钻头轴线成角度地移位。 该装置还可以包括用于相对于第一和第二壳体将套环锁定就位的花键构件。