发明名称 No-go bomb hanger
摘要 A well tubing hanger for suspending a pressure bomb and/or temperature recording device, or other equipment in the tubing from a tubing no-go nipple, through a test period. It is a bomb hanger such that when the suspended equipment is being used for test surveys, the wire line used to run the tools is not left in the well. This results in considerable savings; particularly when a plurality of wells in a field are being surveyed. Tubing hanger locking lugs are shifted radially outwardly into a nipple recess by a longitudinal, movable camming and lug-locking tubular sleeve extension from the tool fishing neck, with the sleeve lockable by a ball recess lock interference fit. A resiliently displaceable plunger structure permits a recess relief unlock for the balls, from the ball recess lock interference fit and thereby permits unlock release movement of said tubular sleeve, with the tool fishing neck, for unlocking the locking lugs from the extended state.
申请公布号 US4023620(A) 申请公布日期 1977.05.17
申请号 US19760658460 申请日期 1976.02.17
申请人 OTIS ENGINEERING CORPORATION 发明人 GAZDA, IMRE I.;CARROLL, ALBERT W.
分类号 E21B23/02;(IPC1-7):E21B23/00 主分类号 E21B23/02
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