发明名称 |
GAS OPERATED HYDRAULICALLY ACTUATED WIRE LINE PACKER |
摘要 |
<p>A well packer adapted to be run in and retrieved by wireline incorporates an inflatable packing sleeve and a timer mechanism arranged to cause sequential inflation and deflation of the sleeve by causing the interior thereof to be connected via valves firstly to a source of pressurized gas carried by the packer and secondly to a low pressure sink, e.g. the well bore. In the packer disclosed, the packing sleeve is adapted to take and retain an impression of openings in a well liner.</p> |
申请公布号 |
CA1034489(A) |
申请公布日期 |
1978.07.11 |
申请号 |
CA19750236259 |
申请日期 |
1975.09.24 |
申请人 |
CHEVRON RESEARCH COMPANY |
发明人 |
HUTCHISON, STANLEY O.;MITCHELL, NEAL L. |
分类号 |
E21B33/127;E21B41/00;E21B47/09;(IPC1-7):21B23/06 |
主分类号 |
E21B33/127 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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