Apparatus for selectively releasing cable-suspended well tools |
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| 申请号 | US53684766 | 申请日 | 1966-03-23 | 公开(公告)号 | US3373817A | 公开(公告)日 | 1968-03-19 |
| 申请人 | SCHLUMBERGER TECHNOLOGY CORP; | 发明人 | CUBBERLY JR WALTER E; SAURENMAN DEAN F; | ||||
| 摘要 | |||||||
| 权利要求 | 1. IN SUB-SURFACE APPARATUS ADAPTED FOR SUSPENSION FROM A CABLE EXTENDING TO THE SURFACE, MEANS FOR RELEASABLY CONNECTING SAID APPARATUS TO THE CABLE, COMPRISING: CONNECTING MEANS INCLUDING A MOVABLE MEMBER ON SAID APPARATUS RELEASABLY CONNECTED TO THE CABLE IN A FIRST POSITION OF SAID MEMBER RELATIVE TO SAID APPARATUS AND MOVABLE IN RESPONSE TO CABLE TENSION TO A SECOND POSI- |
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| 说明书全文 | |||||||
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