发明名称 |
DOWNHOLE TOOL RELEASING MECHANISM |
摘要 |
A downhole tool releasing mechanism which includes a collet 814) for releasably engaging a mandrel (41) of a downhole tool. A retaining band (30) is circumferentially disposed about the fingers (16) of the collet (14) for maintaining engagement of the collet and the mandrel prior to application of a predetermined axially directed force on the releasing mechanism (10). Upon application of such a force the collet fingers (16) expand, breaking the shear band (30), the mandrel (41) is released and the downhole tool is disengaged.
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申请公布号 |
CA2786343(A1) |
申请公布日期 |
2011.07.14 |
申请号 |
CA20112786343 |
申请日期 |
2011.01.06 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
MANKE, KEVIN RAY;MARTIN, TRACY M.;CLAYTON, ROBERT P. |
分类号 |
E21B17/06;E21B31/18 |
主分类号 |
E21B17/06 |
代理机构 |
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代理人 |
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地址 |
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