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September 10, 2025

Application of Perforate, Wash, and Cement (PWC) Technology for Annular Remediation in Deepwater Well Abandonment

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Authors

AOAugustine OkosunOOOsehojie Ojeh-OziegbeOUOluwatobi Ugoh

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Overview

Application of PWC technology achieves significant cost savings in well abandonment operations, highlighting its efficiency.

Key Points

  • PWC technology reduces well abandonment complexity and achieves cost savings compared to traditional methods.
  • The application of PWC technology allowed for rock-to-rock isolation, which is crucial for zonal isolation during abandonment.
  • Deployment of PWC technology in the Bonga deepwater field demonstrated significant operational efficiencies and implications for future use.
  • Challenges with conventional methods like casing milling and cement squeezing are alleviated with the adoption of PWC technology.

Cite This Study

Okosun et al. (2025) studied this question.

synapsesocial.com/papers/68c1bb7854b1d3bfb60edcdehttps://doi.org/10.2118/228612-ms
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