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Trapped Annular Pressure

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Planning a TAPSS Application:<br />

Determine extent of pressure relief possible<br />

7. If yes, TAPSS may be a feasible solution and<br />

additional pressure relief may be possible<br />

– Try increasing pressure reduction in ‘A’ above<br />

– Recalculate fluid volume shrinkage required<br />

– Recalculate shut-in pressures under geothermal<br />

conditions using new volume<br />

– Compare with casing/seal assembly design<br />

ratings<br />

– Continue iterations until casing/seal assembly<br />

design ratings are reached

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