发明名称 Electrical cable overshot-grappling tool
摘要 An overshot-grappling tool adapted to be lowered, raised and manipulated to retrieve sections of electrical cable from a well, wherein a plurality of flexible gripping fingers are provided for gripping a termianl connector of the electrical cable section along with releasable means to restrain the gripping fingers under spring pressure for such gripping action and to release the fingers from the terminal connector.
申请公布号 US4017113(A) 申请公布日期 1977.04.12
申请号 US19760654992 申请日期 1976.02.04
申请人 GENERAL ELECTRIC COMPANY 发明人 CULLEN, ROY H.;AKER, JIMMIE R.;WITOVEK, JR., JIM
分类号 E21B31/18;(IPC1-7):E21B31/12 主分类号 E21B31/18
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