发明名称 |
Preloaded riser coupling system |
摘要 |
An offshore riser system has riser joints, each having a pin and a box. The pin has an external grooved profile that is engaged by a locking element carried by the box of another riser joint. An actuating ring engages with the locking element to move it into the locked position. A retractable spider supports the string of riser while the new joint is being made up. A makeup tool on the riser deploying floor moves the ring relative to the locking element, causing the locking element to move to the locked position. |
申请公布号 |
GB2443776(A) |
申请公布日期 |
2008.05.14 |
申请号 |
GB20080004461 |
申请日期 |
2006.08.23 |
申请人 |
VETCO GRAY INC;VETCO GRAY ,INC. |
发明人 |
THOMAS A FRASER;CHARLES E JENNINGS;JOHN E NELSON |
分类号 |
E21B17/08;E21B17/01;E21B19/16 |
主分类号 |
E21B17/08 |
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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