What question did this study set out to answer?

To evaluate wellbore stability and optimize drilling fluid parameters under high-temperature and high-pressure conditions in deep and complex geological formations.

January 1, 2025Thermal ScienceOpen Access

Simulation and analysis of wellbore stability for drilling wells in deep and complex formations

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To evaluate wellbore stability and optimize drilling fluid parameters under high-temperature and high-pressure conditions in deep and complex geological formations.
Coupled heat transfer principles, applied mathematics, and computational modeling to analyze full-section wellbore temperature profiles and drilling fluid property variations.
Introduced a wellbore yield state parameter to evaluate formation damage and quantify the degree of borehole wall instability following fluid intrusion.
Characterized the influence of high downhole temperatures and pressures on drilling fluid density and rheological behavior within narrow formation density windows.
Provided a simulation framework using the wellbore yield state parameter to identify collapse risks and optimize drilling fluid selection for future deep-well operations.

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Implication

Computational modeling demonstrates wellbore stability dynamics in deep high-temperature formations, indicating optimal drilling fluid design parameters to prevent wall collapse.

Cite This Study

Zhao et al. (2025) studied this question.

synapsesocial.com/papers/6a7eb85b14ec6a5b094f7a0f https://doi.org/10.2298/tsci2502515z

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Implication

Computational modeling demonstrates wellbore stability dynamics in deep high-temperature formations, indicating optimal drilling fluid design parameters to prevent wall collapse.

Simulation and analysis of wellbore stability for drilling wells in deep and complex formations

Key Points

Discussion

Implication

Cite This Study

Simulation and analysis of wellbore stability for drilling wells in deep and complex formations

Key Points

Discussion

Implication

Cite This Study

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