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    • 9. 发明授权
    • Wellbore tubular compensator system
    • 井筒管式补偿器系统
    • US06000472A
    • 1999-12-14
    • US998461
    • 1997-12-26
    • Stephen L. AlbrightLeendert SpreijJean D. BearbFrederick M. LeichtMichael W. HayesJohn C. Birdwell
    • Stephen L. AlbrightLeendert SpreijJean D. BearbFrederick M. LeichtMichael W. HayesJohn C. Birdwell
    • E21B19/06E21B19/086E21B19/16E21B15/00
    • E21B19/06E21B19/086E21B19/16
    • New joint compensator and systems and methods of their use have been invented which, in one aspect are useful for compensating for the weight of a first joint and at least one subsequent joint, the first joint to be supported above the at least one subsequent joint, the joint compensator in one aspect having a body interconnectible between the first joint and moving apparatus, the body including supporting apparatus for supporting the first joint above the at least one subsequent joints and for providing support of the first joint as it moves with respect to the at least one subsequent joint, the supporting apparatus compensating for weight of the first joint as it moves, the support apparatus for alternately supporting the first joint and then the at least one subsequent joint, the support apparatus initially adjustable to compensate for the weight of the first joint so that the support apparatus is also thereby adjusted to compensate for weight of the at least one subsequent joint.
    • 已经发明了新的接头补偿器及其使用的系统和方法,其一方面可用于补偿第一接头和至少一个后续接头的重量,所述第一接头被支承在至少一个后续接头上方, 该连接补偿器在一个方面具有可在第一接头和移动设备之间相互连接的主体,该主体包括支撑装置,用于在第一接头上方支撑第一接头,并且当第一接头相对于第二接头移动时,提供第一接头的支撑 至少一个随后的关节,所述支撑装置在移动时补偿第一关节的重量,支撑装置用于交替地支撑第一关节,然后是至少一个随后的关节,支撑装置最初可调节以补偿第一关节的重量 第一接头,从而调节支撑装置以补偿至少一个随后接头的重量。
    • 10. 发明授权
    • Releasing tool
    • 发布工具
    • US5577566A
    • 1996-11-26
    • US513147
    • 1995-08-09
    • Stephen L. AlbrightMichael W. HayesJimmy L. HollingsworthGuy L. McClung, III
    • Stephen L. AlbrightMichael W. HayesJimmy L. HollingsworthGuy L. McClung, III
    • E21B21/01E21B21/10E21B17/00
    • E21B21/106E21B21/01
    • A new tool has been developed for, in one aspect, facilitating release of a tubular string coupled between a travelling block and elevators with insufficient clearance to release elevator slips in order to remove the tubular. In one aspect the releasing tool is effectively shortened permitting release of the elevators. Such shortening is effected by releasing an expansion sub and piston within the tool for relative movement with respect to other parts of the tool. Initially the expansion sub and piston are held in place by fluid in a first chamber. Movement of fluid from the first chamber and movement of fluid into a second chamber housing the piston results in piston movement (and movement of the expansion sub which is secured to the piston) to effectively shorten the tool. In one aspect the fluid moves in a closed loop between the chambers and no fluid is expelled to the environment. In another aspect only one fluid chamber is used.
    • 已经开发了一种新的工具,在一个方面,便于释放连接在行驶块和具有不足的间隙的电梯之间的管状柱,以释放电梯滑移以便移除管状物。 在一个方面,释放工具被有效地缩短,允许电梯的释放。 这种缩短通过在工具内释放膨胀子和活塞相对于工具的其它部分相对移动来实现。 最初,膨胀子和活塞通过第一室中的流体保持在适当的位置。 流体从第一室的移动和流体进入容纳活塞的第二室的运动导致活塞移动(以及固定到活塞的膨胀子的运动)以有效地缩短工具。 在一个方面,流体在腔室之间的闭合回路中移动,并且没有流体被排出到环境中。 在另一方面,仅使用一个流体室。