发明名称 |
Rotating diverter head |
摘要 |
A rotating diverter head for use on a blow out preventer stack of an oil, gas or geothermal well. While providing for sealing and rotation of a drill pipe through the head, the head additional includes a flange on which the head is rotatable. The flange connects the head to the stack whereupon it can be rotated to align a return flow line before being locked in position.
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申请公布号 |
US7308954(B2) |
申请公布日期 |
2007.12.18 |
申请号 |
US20050516489 |
申请日期 |
2005.01.07 |
申请人 |
STACEY OIL SERVICES, LTD. |
发明人 |
MARTIN-MARSHALL PETER STEWART |
分类号 |
E21B21/00;E21B21/06;E21B33/08 |
主分类号 |
E21B21/00 |
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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