| 发明名称 |
INFLATABLE FLOWING HOLE PLUG |
| 摘要 |
<p>An inflatable flowing hole plug system including two fluid inflatable hole plugs, having an upper and a lower plug, means for connecting these plugs and allowing fluid communication between them, valve system for controlling the inflation of the plugs, and an external fluid supply means for inflating the plugs.</p> |
| 申请公布号 |
CA1176977(A) |
申请公布日期 |
1984.10.30 |
| 申请号 |
CA19820411878 |
申请日期 |
1982.09.21 |
| 申请人 |
CHRISTENSEN, BYRON, 3718 - 50 AVENUE, INNISFAIL, ALBERTA T0M 1A0 |
发明人 |
CHRISTENSEN, BYRON, 3718 - 50 AVENUE, INNISFAIL, ALBERTA T0M 1A0 |
| 分类号 |
E21B33/124;E21B33/127;(IPC1-7):E21B33/126 |
主分类号 |
E21B33/124 |
| 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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