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    • 9. 发明申请
    • WELLBORE STRINGS CONTAINING EXPANSION TOOLS
    • 包含扩展工具的井筒
    • WO2015134143A1
    • 2015-09-11
    • PCT/US2015/014607
    • 2015-02-05
    • BAKER HUGHES INCORPORATED
    • COCHRAN, Travis E.HAMMER, Aaron C.ALLEN, Jason A.O'BRIEN, Robert S.KOLI, Jai K.
    • E21B17/02E21B19/16E21B19/18
    • E21B17/07E21B17/00
    • An apparatus for use in a wellbore is disclosed that in one non-limiting embodiment includes a string for deployment into the wellbore, the string including at least one packer and an expansion tool downhole of the packer, wherein the expansion tool further includes: a release device and a lock device inside a movable housing; wherein the lock device prevents shifting of the release device until the lock device is moved to an unlock position by application of a first force to the lock device; and wherein the release device is movable to a release position by application of a second force after the lock device has been moved to the unlock position; and wherein the movable housing is capable of moving over the release device after the release device has been moved to the release position to absorb at least one of contraction and expansion of the expansion tool.
    • 公开了一种在井眼中使用的装置,其在一个非限制性实施例中包括用于展开到井眼中的绳,所述绳包括至少一个封隔器和封隔器井下的膨胀工具,其中所述膨胀工具还包括:释放 装置和可移动壳体内的锁定装置; 其中所述锁定装置防止所述释放装置的移动,直到所述锁定装置通过向所述锁定装置施加第一力而移动到解锁位置; 并且其中所述释放装置在所述锁定装置已经移动到所述解锁位置之后通过施加第二力而可移动到释放位置; 并且其中所述可移动壳体能够在所述释放装置已经移动到所述释放位置之后移动到所述释放装置上,以吸收所述膨胀工具的收缩和膨胀中的至少一个。