发明名称 Systems and methods for mitigating annular pressure buildup in an oil or gas well
摘要 The present invention is embodied in systems and methods for mitigating temperature-related pressure buildup in the trapped annulus of an oil or gas well, wherein such systems and methods employ production and/or tieback casing having one or more pressure mitigating chambers, and wherein such chambers make use of pistons, valves, and burst disks to mitigate pressure increases within the annulus.
申请公布号 GB2477670(B) 申请公布日期 2013.02.13
申请号 GB20110008285 申请日期 2009.11.17
申请人 CHEVRON U.S.A. 发明人 KRYSTIAN K MASKOS;MICHAEL R FRENCH
分类号 E21B34/06;E21B33/035 主分类号 E21B34/06
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