What does this research mean for the field?

Optimizing drilling fluid with lost circulation materials (LCMs) significantly increases formation breakdown pressure (up to 42%) and fracture reopening pressure (up to 95%), demonstrating that these pressures are not solely intrinsic rock properties but can be influenced by fluid sealing performance. Novelty: ClaimNovelty.CONTRADICTORY. Consensus alignment: ConsensusAlignment.CHALLENGES_CONSENSUS.

What question did this study set out to answer?

This research aims to investigate the impact of optimized drilling fluid additives on formation breakdown and fracture reopening pressures.

July 12, 2026Scientific ReportsOpen Access

Enhancing formation breakdown pressure using optimized drilling fluid additives with preventive wellbore strengthening approach

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Authors

AAAhmadreza AbdshahiAmirkabir University of Technology ASAmir Farnia ShalmaniAmirkabir University of Technology SMSeyed Morteza MirabbasiAmirkabir University of Technology

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Implication

Randomized trial demonstrates improved formation breakdown pressure through optimized drilling fluid additives, indicating effective wellbore strengthening.

Key Points

This research aims to investigate the impact of optimized drilling fluid additives on formation breakdown and fracture reopening pressures.
Twenty-five drilling fluid formulations were prepared with various combinations of lost circulation materials (LCMs).
Fluid loss behavior and mud cake quality were evaluated using an API filter press apparatus.
Five drilling fluids with the best performance were selected for further evaluation using a wellbore strengthening evaluation device.
Increases of up to 42% in formation breakdown pressure and 95% in fracture reopening pressure were observed.
The optimal drilling fluid formed a thin, low-permeability mud cake demonstrating superior sealing properties.
A qualitative agreement was found between API filter press data and wellbore strengthening test results.

Cite This Study

Abdshahi et al. (2026) studied this question.

synapsesocial.com/papers/6a5332484f7abc118adedd7b https://doi.org/10.1038/s41598-026-61491-w

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Implication

Randomized trial demonstrates improved formation breakdown pressure through optimized drilling fluid additives, indicating effective wellbore strengthening.

Enhancing formation breakdown pressure using optimized drilling fluid additives with preventive wellbore strengthening approach

Discussion

Member takes

Implication

Key Points

Cite This Study

Enhancing formation breakdown pressure using optimized drilling fluid additives with preventive wellbore strengthening approach

Discussion

Member takes

Implication

Key Points

Cite This Study

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