PREVENT Sustained Casing Pressure

Micro-annular channeling or formation influxes might happen as the result of a bad-quality primary cement bond. Despite several attempts to bleed off the annular pressure, this pressure remains subject to rebuild. This is sustained casing pressure.

In extreme cases, poor-quality cement can allow gas or oil to migrate to the surface and lead to a blowout. Cementing issues are more common than one might want to believe.

Overcome Bradenhead pressure

In both cased and open hole

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Sustained casing pressure (SCP) is visible in numerous wells. 

Consider any pressure in the casing or the annulus that can rebuild after a bleed-off. If not attributed to temperature fluctuation or artificially pumped pressure, sustained casing pressure directly consequences any other type of pressure buildup.  

Gas leaks and formation influxes lead to sustained casing pressure in the annulus if the cement bond shows high porosity, high permeability, or is subject to microfractures between the casing and the formation. All safety regulators require SCP elimination. Low-quality cement bonds can be catastrophic for safety and the environment and lead to time-consuming and expansive remediation. Sustained casing pressure is a massive concern the industry is now facing. Saltel Xpandable steel packer technology can reinforce or replace bad cement bonds. Once installed, the packer acts as an additional barrier in the annulus to isolate sustained casing pressure.  

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