发明名称 Method and apparatus for retrieving an assembly from a wellbore
摘要 A method and apparatus for retrieving an assembly having a whipstock and an anchor from a wellbore. A method of retrieving an assembly having a whipstock coupled to an anchor from a wellbore may comprise the steps of releasing the whipstock from the anchor in the wellbore, re-engaging the whipstock to the anchor, and retrieving the whipstock with the anchor from the wellbore. An apparatus for use in a wellbore may comprise a whipstock, a latch coupled to the whipstock, and an anchor operable to be selectively retrieved from the wellbore using the latch.
申请公布号 EP2149671(A3) 申请公布日期 2012.01.11
申请号 EP20090251922 申请日期 2009.08.03
申请人 WEATHERFORD/LAMB, INC. 发明人 SOKOL, JONATHAN P.;MCINTIRE, SCOTT;STULBERG, MICHAEL
分类号 E21B23/00;E21B7/08;E21B23/01 主分类号 E21B23/00
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