发明名称 |
MARINE ISOLATION ASSEMBLY |
摘要 |
An isolation assembly that employs a pack-off device at an annular space between a landing string and a riser. The assembly is configured to ensure sealing off of an annular space below the pack-off device such that potentially hazardous well testing applications may safely proceed early on in completions operations. That is, in advance of any significant rig-level pressure control equipment hook-up, the pack-off device may seal off the annulus from any potential hydrocarbon leaks up the riser toward the rig. Further, where such seal holds back pressures exceeding a predetermined level, a burst element may be incorporated into the wall of the riser to allow for controlled venting therefrom.
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申请公布号 |
US2013133894(A1) |
申请公布日期 |
2013.05.30 |
申请号 |
US201113307420 |
申请日期 |
2011.11.30 |
申请人 |
SCRANTON JOSEPH D.;SUFFRIDGE RILEY |
发明人 |
SCRANTON JOSEPH D.;SUFFRIDGE RILEY |
分类号 |
E21B33/02;E21B43/01;E21B47/001 |
主分类号 |
E21B33/02 |
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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