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September 5, 2025Technology audit and production reservesOpen Access

Regularities of the process of crack formation in clay filter cake during well cementing

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Authors

YKYaroslav KochkodanADAndriy DzhusAYAndriy Yurych

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Overview

Research reveals crack formation impacts wellbore sealing in clay filter cake, suggesting potential solutions.

Key Points

  • The area of the clay filter cake affected by cracks can exceed 80%, impacting sealing effectively.
  • Decreasing CaCl₂ concentration and increasing NaCl concentration reduces crack formation area significantly.
  • Induction and cracking periods increase with thinner cement sheaths, affecting overall integrity.
  • Understanding these processes aids in optimizing well design and drilling fluid formulation under specific conditions.

Cite This Study

Kochkodan et al. (2025) studied this question.

synapsesocial.com/papers/68bb49d26d6d5674bccffeadhttps://doi.org/10.15587/2706-5448.2025.334789
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