Press

Sustained Annular Pressure: How to Successfully Remediate?


Well integrity remains a key challenge for Middle East operators and sustained annular pressure is becoming a significant issue that needs addressing in the region. To help ensure you have the best well integrity strategy in place, Wellcem have published a paper on sustained annular pressure remediation.

This paper outlines how as developed wells continue to produce, these completed assets undergo thermodynamic cycling consistent with the production life of the well. The constant loading on these wells can induce stresses that are ultimately transmitted to the annular cement sheaths that were intended to provide isolation of formation fluids from the surface. But what can be done if these cementitious barriers become compromised?

The paper goes on to detail how integrity issues can proliferate and transmit downhole pressures to the surface. These problems are exasperated if the primary cement job was compromised during initial placement due to such complications as losses. Channels and micro-annular leak paths are responsible for these phenomena of observed pressure at the surface. To remediate these integrity challenges, the unconventional application of resins has proven to be a cost-effective solution for the restoration of isolation.

To find out more about how to deal with sustained annular pressure, check out this free whitepaper at https://tinyurl.com/ydyhx26c



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