Systems and methods for mitigating annular pressure buildup...

Details Systems and methods for mitigating annular pressure buildup... Systems and methods for mitigating annular pressure buildup...

2008-11-18

2011-11-29

Bomar, Shane (Department: 3676)

Wells

Valves, closures or changeable restrictors

Fluid operated

C166S364000

Reexamination Certificate

active

08066074

ABSTRACT:
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.

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PCT International Search Report dated Apr. 30, 2010; PCT International Application No. PCT/US2009/064828.

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