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    • 4. 发明公开
    • ANCHOR ASSEMBLY AND METHOD FOR ANCHORING A DOWNHOLE TOOL
    • VERFAHREN ZUR VERANKERUNG EANES BOHRLOCHWERKZEUGS
    • EP2483517A1
    • 2012-08-08
    • EP09849920.5
    • 2009-09-28
    • Halliburton Energy Services, Inc.
    • CLEMENS, Jack, GammillLUDWIG, Wesley, NeilRODGERS, John, P.EATON, EdSERRA, Marco
    • E21B23/00E21B33/12E21B33/13E21B49/00
    • E21B33/1208E21B23/01E21B23/06E21B33/128E21B33/134E21B33/136
    • An anchor assembly (400) for anchoring a downhole tool in a wellbore tubular. The anchor assembly (400) includes a plurality of slip arm assemblies each having first and second arms (412, 414) hingeably coupled together. The first and second arms (412, 414) each have teeth (418, 426) on one end. A first sleeve (402) is rotatably associated with each of the first arms (412) and a second sleeve (404) is rotatably associated with each of the second arms (414) such that the anchor assembly (400) has a running configuration in which the slip arm assemblies are substantially longitudinally oriented and an operating configuration in which the first and second arms (412, 414) of each slip arm assembly form an acute angle relative to one another such that the teeth (418, 426) of the first and second arms (412, 414) define the radially outermost portion of the anchor assembly (100).
    • 一种锚固组件(400),用于将井下工具锚定在井筒管中。 锚固组件(400)包括多个滑动臂组件,每个滑动臂组件具有可铰接地联接在一起的第一和第二臂(412,414)。 第一和第二臂(412,414)在一端各自具有齿(418,426)。 第一套筒(402)可旋转地与每个第一臂(412)相关联,并且第二套筒(404)可旋转地与每个第二臂(414)相关联,使得锚固组件(400)具有在 其中滑动臂组件基本上纵向定向,并且操作构造,其中每个滑动臂组件的第一和第二臂(412,414)相对于彼此形成锐角,使得第一 并且第二臂(412,414)限定锚固组件(100)的径向最外部分。
    • 9. 发明申请
    • PERFORATION CRACK DESIGNATOR
    • 执行破碎指示器
    • WO2016007156A1
    • 2016-01-14
    • PCT/US2014/046028
    • 2014-07-09
    • HALLIBURTON ENERGY SERVICES, INC.
    • RODGERS, JohnGLENN, Timothy S.SERRA, MarcoFRIPP, MichaelLUDWIG, Wesley Neil
    • E21B43/11E21B43/116
    • E21B43/116
    • At least one crack designator for a perforating gun, wherein the gun includes a longitudinal direction, a lateral direction, and at least one scallop, wherein each crack designator is capable of redirecting crack growth from the lateral direction to the longitudinal direction of the gun. The designator may be located in one of the scallops, extend from an expected exit hole in the gun to an edge of one of the scallops, and be capable of redirecting crack growth from a lateral direction to a longitudinal direction of the gun. In preferred embodiments, the designator in each scallop is arranged in a spider pattern or concentric circles. The designator is preferably formed by machining, etching, or laser ablation. The designator may have a lower fracture toughness or lesser stiffness than surrounding material of the gun.
    • 用于射孔枪的至少一个裂纹指示器,其中所述枪包括纵向方向,横向方向和至少一个扇贝,其中每个裂纹指示器能够将裂纹生长从横向方向转向枪的纵向方向。 指示器可以位于扇贝之一中,从枪中的预期出口延伸到扇贝之一的边缘,并且能够将裂纹生长从横向方向重定向到枪的纵向方向。 在优选实施例中,每个扇贝中的指示符被布置成蜘蛛图案或同心圆。 指示器优选通过机械加工,蚀刻或激光烧蚀来形成。 指示器可以具有比周围材料更低的断裂韧性或更小的刚度。
    • 10. 发明申请
    • COUPLER COMPLIANCE TUNING FOR MITIGATING SHOCK PRODUCED BY WELL PERFORATING
    • 用于减轻由良好的执行产生的冲击的联合协调调谐
    • WO2012082186A1
    • 2012-06-21
    • PCT/US2011/046955
    • 2011-08-08
    • HALLIBURTON ENERGY SERVICES, INC.RODGERS, John, P.SERRA, MarcoGLENN, Timothy, S.BURLESON, John, D.
    • RODGERS, John, P.SERRA, MarcoGLENN, Timothy, S.BURLESON, John, D.
    • E21B43/116
    • E21B43/116E21B17/07
    • A method of mitigating perforating effects produced by well perforating can include causing a shock model to predict perforating effects for a proposed perforating string, optimizing a compliance curve of at least one proposed coupler, thereby mitigating the perforating effects for the proposed perforating string, and providing at least one actual coupler having substantially the same compliance curve as the proposed coupler. A well system can comprise a perforating string including at least one perforating gun and multiple couplers, each of the couplers having a compliance curve, and at least two of the compliance curves being different from each other. A method of mitigating perforating effects produced by well perforating can include interconnecting multiple couplers spaced apart in a perforating string, each of the couplers having a compliance curve, and selecting the compliance curves based on predictions by a shock model of shock generated by the perforating string.
    • 减轻由穿孔产生的穿孔效应的方法可以包括引起冲击模型来预测所提出的射孔绳的穿孔效应,优化至少一个所提出的联接器的顺应性曲线,从而减轻所提出的射孔绳的穿孔效果,并提供 至少一个实际耦合器具有与所提出的耦合器基本上相同的柔量曲线。 井系统可以包括穿孔柱,其包括至少一个穿孔枪和多个联接器,每个联接器具有柔量曲线,并且至少两个柔顺曲线彼此不同。 一种减轻由穿孔产生的射孔效应的方法可以包括将多个耦合器互连在穿孔线中间隔开,每个耦合器具有柔量曲线,并且基于由穿孔线产生的冲击的冲击模型的预测来选择柔量曲线 。