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October 19, 2025

Behind Casing Fluid Typing Using Ultrasonic Logs for Plug and Abandonment Application

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Authors

AZAlhadi ZahmuwlCDCharles DesmazuresRLRobert E. Loov

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Overview

This approach reveals hydrocarbon presence in the B annulus during plug and abandonment, enhancing safety.

Key Points

  • Advanced ultrasonic fluid characterization greatly reduces risks by accurately assessing annular contents.
  • Key fluid detection enables safe circulation before casing recovery, preventing potential platform shutdowns.
  • This approach employs pulse-echo and pitch-catch techniques in offshore plug and abandonment operations.
  • Results enhance operational efficiency by avoiding unnecessary mobilization of bleedoff packages in critical scenarios.

Cite This Study

Zahmuwl et al. (2025) studied this question.

synapsesocial.com/papers/68f43eeb854d1061a58ab7f6https://doi.org/10.30632/spwla-2025-0070
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