Collapse pressure prediction for shale formation with weak strength and polyaxial-wellbore failure in intact rock

Wellbore instability in anisotropic shale with weak bedding planes (WBPs) remains a major operational challenge in non-vertical wells, requiring more accurate analyses. This study develops an improved geomechanical modeling framework for predicting collapse pressure in both intact rock and WBPs, int...

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Bibliografiske detaljer

Principais autores:	Roland I. Nwonodi, Eseoghene Igbudu, Emmanuel E. Okoro, Adewale Dosunmu
Format:	Artigo
Sprog:	Inglês
Udgivet:	Elsevier 2026-03-01
Serier:	Results in Engineering
Fag:	Weak bedding planes Anisotropic shale Wellbore instability Attack angle Quartic and reduced quadratic models
Online adgang:	http://www.sciencedirect.com/science/article/pii/S259012302504678X
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