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发明名称
Subsea rotating control device system internal to a riser and method
摘要
申请公布号
EP2208855(A3)
申请公布日期
2012.03.28
申请号
EP20100150906
申请日期
2010.01.15
申请人
WEATHERFORD LAMB, INC.
发明人
BAILEY, THOMAS F;WAGONER, DANNY W.;ANDERSON , WAYBOURN J., JR.
分类号
E21B33/08
主分类号
E21B33/08
代理机构
代理人
主权项
地址
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