| 发明名称 |
Inflatable packer inner bladder retention and seal. |
| 摘要 |
<p>Bladder retention means for an inflatable packer includes an elastomeric o-ring seal between portions of the bladder retainer assembly thereby blocking the application of pressure forces tending to assist in the disengagement of the elastomeric bladder from its retention assembly. <IMAGE></p> |
| 申请公布号 |
EP0599422(A2) |
申请公布日期 |
1994.06.01 |
| 申请号 |
EP19930203276 |
申请日期 |
1993.11.23 |
| 申请人 |
PUMPTECH N.V.;COMPAGNIE DES SERVICES DOWELL SCHLUMBERGER S.A. |
发明人 |
ESLINGER, DAVID M.;SOREM, ROBERT M. |
| 分类号 |
E21B33/127;(IPC1-7):E21B33/127 |
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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