发明名称 Side pocket mandrel with improved orienting means
摘要 A side pocket mandrel having an orienting sleeve therein with improved guide surfaces for more reliably orienting a kickover tool with respect to the mandrel preparatory to installing a flow control device in or removing such a device from the mandrel's offset receptacle bore.
申请公布号 US4440222(A) 申请公布日期 1984.04.03
申请号 US19820351628 申请日期 1982.02.24
申请人 OTIS ENGINEERING CORPORATION 发明人 PULLIN, WILLIAM H.
分类号 E21B23/03;(IPC1-7):E21B23/03 主分类号 E21B23/03
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