公开(公告)号：WO2003097999A1

公开(公告)日：2003-11-27

申请号：PCT/US2003/015808

申请日：2003-05-19

Applicant: HALLIBURTON ENERGY SERVICES, INC.

Inventor： WEINTRAUB, Preston, N. ,  SEGURA, Pedro, R. ,  SITKA, Mark, A. ,  GILBERT, Gregory, N. ,  VU, Tony, T. ,  HARDIN, John, R., Jr. ,  SHERRILL, Kristopher, V. ,  WELSHANS, David, M. ,  STONE, James, E.

IPC: E21B47/10

CPC classification number: E21B47/12 ,  E21B49/10

Abstract: A formation testing tool is described herein, including a formation probe assembly having an extendable sampling probe (96) surrounded by a cylindrical sleeve (94). The sleeve is configured to engage a metal skirt (145) having an elastomeric seal pad (40) coupled thereto. The skirt and seal are configured to be field replaceable. The elastomeric pad has a non-planar outer surface which engages a borehole wall in preparation for formation testing. The seal pad may be donut-shaped, having an aperture through the middle of the seal pad. The seal pad and its surface may include numerous different embodiments, including having a curved profile. The seal pad may also include numerous different embodiments of means for coupling the seal pad to the metal skirt. The formation testing tool also includes formation probe assembly anti-rotation means, a deviated non-circular flowbore, and at least one closed hydraulic fluid chamber for balancing fluid pressures.

Abstract translation: 本文描述了地层测试工具，包括具有由圆柱形套筒（94）围绕的可延伸采样探针（96）的地层探测器组件。 套筒构造成接合具有与其联接的弹性密封垫（40）的金属裙部（145）。 裙子和密封件配置为现场可更换。 弹性体垫具有非平面的外表面，其与钻孔壁接合以准备地层测试。 密封垫可以是环形，其具有穿过密封垫的中间的孔。 密封垫及其表面可以包括许多不同的实施例，包括具有弯曲轮廓。 密封垫还可以包括用于将密封垫耦合到金属裙部的装置的许多不同实施例。 地层测试工具还包括地层探测器组件防旋转装置，偏离的非圆形流孔以及用于平衡流体压力的至少一个封闭的液压流体室。