发明名称 REMOTELY OPERATED ISOLATION VALVE
摘要 A shifting tool for use in a wellbore includes a tubular housing having a bore formed therethrough; a tubular mandrel disposed in the housing and longitudinally movable relative thereto; and an engagement member moveable relative to the housing between an extended position, a released position, and a retracted position, wherein: the engagement member is movable from the retracted position to the extended position in response to movement of the mandrel relative to the housing, and the engagement member is further movable from the extended position to the released position in response to movement of the mandrel relative to the housing.
申请公布号 US2016090818(A1) 申请公布日期 2016.03.31
申请号 US201514885024 申请日期 2015.10.16
申请人 Weatherford Technology Holdings, LLC 发明人 NOSKE Joe;SMITH Roddie R.;SMITH Paul L.;BAILEY Thomas F.;MCDOWELL Christopher L.
分类号 E21B41/00;E21B23/06;E21B34/14 主分类号 E21B41/00
代理机构 代理人
主权项 1. A shifting tool for use in a wellbore, comprising: a tubular housing having a bore formed therethrough; a tubular mandrel disposed in the housing and longitudinally movable relative thereto; and an engagement member moveable relative to the housing between an extended position, a released position, and a retracted position, wherein: the engagement member is movable from the retracted position to the extended position in response to movement of the mandrel relative to the housing, andthe engagement member is further movable from the extended position to the released position in response to further movement of the mandrel relative to the housing.
地址 Houston TX US