发明名称 |
System and Method for Umbilical-Less Positional Feedback of a Subsea Wellhead Member Disposed in a Subsea Wellhead Assembly |
摘要 |
A positional feedback system includes a seal assembly coupled to a running tool, the seal assembly having a seal ring and an energizing ring positioned between a hanger and a subsea wellhead. The energizing ring moves relative to the seal ring from an unset position to a set position to seal to the wellhead and the hanger. The system includes a magnet disposed on the energizing ring and having a magnetic field. One or more sensing devices are disposed on running tool and positioned in the magnetic field of the magnet in the set position and the unset position. The sensing devices are configured to communicate with a surface platform when the rare earth magnet passes a magnetic field through the sensing devices. |
申请公布号 |
US2014014334(A1) |
申请公布日期 |
2014.01.16 |
申请号 |
US201213548891 |
申请日期 |
2012.07.13 |
申请人 |
MASON GUY HARVEY;FENTON STEPHEN PAUL;VETCO GRAY U.K. LIMITED |
发明人 |
MASON GUY HARVEY;FENTON STEPHEN PAUL |
分类号 |
E21B47/09;E21B47/01 |
主分类号 |
E21B47/09 |
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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