发明名称 |
RISER WITH INTERNAL ROTATING FLOW CONTROL DEVICE |
摘要 |
A riser pipe system is provided for releasably securing a rotating flow control device internally within a riser string for use in offshore drilling. The system includes a riser pipe section, a removable latch assembly for releasably securing the RFCD, and optionally, a removable seal assembly for sealing against the RFCD. The latch and seal assemblies are disposed within the riser pipe section and axially restrained by at least one removeable retaining member. The latch assembly and seal assembly may be hydraulically or pneumatically actuated together or separately. |
申请公布号 |
WO2015188269(A1) |
申请公布日期 |
2015.12.17 |
申请号 |
WO2015CA50527 |
申请日期 |
2015.06.09 |
申请人 |
WEATHERFORD TECHNOLOGY HOLDINGS, LLC |
发明人 |
BOYD, MICHAEL;ARABSKY, SERG;BARABASH, ANDREW |
分类号 |
E21B33/038;E21B17/01 |
主分类号 |
E21B33/038 |
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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