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    • 7. 发明授权
    • Coupling for dual member pipe
    • 双管道联轴器
    • US07216724B2
    • 2007-05-15
    • US10878482
    • 2004-06-28
    • Kelvin P. SelfFloyd R. GunsaulisDavid R. Payne
    • Kelvin P. SelfFloyd R. GunsaulisDavid R. Payne
    • E21B4/06
    • E21B19/08E21B7/046E21B17/03E21B17/07
    • A coupling assembly to interconnect an inner member and an outer member of a dual member drill string in torque transmitting engagement is disclosed. The coupling assembly is adapted to transmit torque input from both members to a downhole tool. In one embodiment, the coupling assembly comprises a connector sub that fixedly and non-fixedly couples both members. In another embodiment, the coupling assembly comprises a clutch mechanism to interconnect both members when the rotational speed of the outer member exceeds the rotational speed of the inner member. In another embodiment, the coupling assembly comprises a mechanism to couple both members by axial downhole movement of the inner member relative to the outer member. In another embodiment, the coupling assembly comprises a planetary gear system that interconnects both members to provide high torque to the downhole tool at relatively low output speed of the dual member drill string.
    • 公开了一种联接组件,用于将扭转传递接合的双组件钻柱的内部构件和外部构件互连。 联接组件适于将来自两个构件的扭矩输入传递到井下工具。 在一个实施例中,联接组件包括固定地和非固定地连接两个构件的连接器副。 在另一个实施例中,联接组件包括当外部构件的旋转速度超过内部构件的转速时将两个构件互连的离合器机构。 在另一个实施例中,联接组件包括通过内部构件相对于外部构件的轴向井下移动来联接两个构件的机构。 在另一个实施例中,联接组件包括行星齿轮系统,该行星齿轮系统将两个构件互连,以在双组件钻柱的相对低的输出速度下向井下工具提供高扭矩。
    • 8. 发明授权
    • Removable boring head with tapered shank connector
    • 可拆卸镗头带锥形连接器
    • US06311790B1
    • 2001-11-06
    • US09575978
    • 2000-05-23
    • Jerry W. BeckwithFloyd R. Gunsaulis
    • Jerry W. BeckwithFloyd R. Gunsaulis
    • E21B700
    • E21B10/61E21B7/064E21B10/60E21B17/046E21B21/10
    • A taper-drive replaceable boring head for use in horizontal directional drilling applications that utilizes a taper-lock shank with an engaged tang to drive the replaceable boring head during drilling. The boring head assembly utilizes a non-threaded slip-fit connection composed of a tapered shank and a cooperating sleeve along with a mechanism for urging the shank deeper into the cooperating sleeve to provide frictional engagement therebetween. The shank includes a non-circular, asymmetrically shaped tang driver that provides torque transfer from the drill string to the boring head. It only permits one clocking orientation of the boring head relative to the position of the beacon located within the beacon housing. The boring head is retained in position by a longitudinal locking assembly using multiple set screws threadably received in the shank receiving recess sleeve openings. The set screws bear against a circumferential groove on the surface of the tapered shank. The sleeve openings are angled in such a manner that as the screws are threaded into the openings, the shank is urged deeper into the recess. A seal is interposed to prevent leakage of the drilling fluid. The tapped holes for the set screws alternatively, may be aligned with a series of spot faces on the face of the taper to ensure that the head could only be used in one orientation.
    • 用于水平定向钻井应用中的锥形驱动可更换钻头,其利用具有接合柄的锥形锁定柄来在钻孔期间驱动可更换的钻头。 钻头组件利用由锥形柄和配合套筒组成的非螺纹滑配连接以及用于将柄更深地推入配合套筒中以在其间提供摩擦接合的机构。 柄包括非圆形不对称形状的脚踏驱动器,其提供从钻柱到钻头的扭矩传递。 它仅允许钻头的相对于位于信标壳体内的信标的位置的一个时钟方向。 钻头通过纵向锁定组件保持在适当位置,该纵向锁定组件使用多个固定螺钉,螺钉地容纳在柄部容纳凹槽套筒开口中。 固定螺钉抵靠锥形柄的表面上的圆周凹槽。 套筒开口以这样的方式成角度,即当螺钉拧入开口时,柄部被更深地推入凹部。 插入密封件以防止钻井液的泄漏。 用于固定螺钉的螺纹孔可选择地与锥形表面上的一系列点面对准,以确保头部只能在一个方向上使用。
    • 9. 发明授权
    • System for detecting deflection of a boring tool
    • 用于检测钻孔工具偏转的系统
    • US07528946B2
    • 2009-05-05
    • US11355060
    • 2006-02-15
    • Floyd R. Gunsaulis
    • Floyd R. Gunsaulis
    • G01N21/00E21B25/16
    • G01B11/16E21B7/046E21B47/024
    • A system for monitoring deflection of a downhole tool assembly. The system comprises a beam source directing a beam at a receptor positioned proximate the downhole tool assembly. The receptor detects the position of incidence of the beam at the receptor. A processor receives signals from the receptor and determines angular deflection of the downhole tool assembly based on incidence of the beam at the receptor. Information from other orientation sensors is also used to determine magnitude and direction of deflection. Deflection information is used by an operator or a control system to maintain or correct the course of the downhole tool assembly.
    • 一种用于监测井下工具组件的偏转的系统。 该系统包括一个光束源,该光束源将光束定向在靠近井下工具组件的接收器处。 受体检测受体处的束的发生位置。 处理器从接收器接收信号,并且基于在受体处的束的入射来确定井下工具组件的角度偏转。 来自其他方向传感器的信息也用于确定偏转的大小和方向。 变形信息由操作者或控制系统用于维护或校正井下工具组件的过程。