Calculation of safe drilling mud density window for shale formation by considering chemo-poro-mechanical coupling effect

It is difficult to define safe drilling mud density window for shale sections. To solve this problem, the general Biot effective stress principle developed by Heidug and Wong was modified. The Weibull statistical model was used to characterize the hydration strain-related strength damage. Considerin...

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Bibliographic Details
Main Authors: Shifeng ZHANG, Haige WANG, Zhengsong QIU, Wenke CAO, Hongchun HUANG, Zhixue CHEN
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2019-12-01
Series:Petroleum Exploration and Development
Online Access:http://www.sciencedirect.com/science/article/pii/S1876380419602806