| 发明名称 |
COMPOSITE PUMPING TREE WITH INTEGRAL SHUT-OFF VALVE |
| 摘要 |
A unitary pumping tree is provided for forming part of a wellhead assembly Christmas tree. The tree integrates a bottom connector, shut-off valve, hydraulically actuated blow-out preventer, mechanically actuated blow-out preventer, flow tee and top connector.
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| 申请公布号 |
CA2280581(C) |
申请公布日期 |
2002.02.12 |
| 申请号 |
CA19992280581 |
申请日期 |
1999.08.20 |
| 申请人 |
FARQUHARSON, KEITH D.;LAM, TONY M. |
发明人 |
FARQUHARSON, KEITH D.;LAM, TONY M. |
| 分类号 |
E21B33/03;(IPC1-7):E21B33/03 |
主分类号 |
E21B33/03 |
| 代理机构 |
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