| 发明名称 |
EXPANDABLE LOCKOUT FOR A SUBSURFACE SAFETY VALVE |
| 摘要 |
A locking assembly for a wellbore valve (39) is provided comprising a cylindrical expandable sleeve (10) insertable into an interior of the valve. After insertion into the valve, the body is expanded into interference with a closing mechanism (34) of the valve (39), thereby locking the valve (39) in an open position. <IMG>
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| 申请公布号 |
CA2425418(C) |
申请公布日期 |
2006.05.09 |
| 申请号 |
CA20012425418 |
申请日期 |
2001.10.08 |
| 申请人 |
WEATHERFORD/LAMB, INC. |
发明人 |
HILL, THOMAS G.;ANDERSON, ROBERT JAMES |
| 分类号 |
E21B34/06;E21B23/02;E21B34/00;E21B34/10;E21B34/14;E21B43/10 |
主分类号 |
E21B34/06 |
| 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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