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This is a Experimental Study study.

October 23, 2025OTC Brasil

Use of PWC Technique for Abandonment in Deepwater Scenarios: Overview and Lessons Learned from Operations in Brazil

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Efficient plugging and abandonment operations significantly improve reliability and quality of established barriers.
Using the PWC technique effectively reduces operational times and costs associated with well abandonment in deepwater scenarios.
Operational challenges addressed include cement slurry design and washing parameters, significantly impacting efficiency.
Findings highlight the need for tailored solutions for Petrobras wells compared to historical scenarios in other countries.

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Analysis shows improved operational reliability and barrier quality in deepwater wells, indicating cost reduction strategies for decommissioning.

Moreira et al. (2025) studied this question.

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Analysis shows improved operational reliability and barrier quality in deepwater wells, indicating cost reduction strategies for decommissioning.