Wellbore stability model in shale formation under the synergistic effect of stress unloading-hydration

Wellbore stability model in shale formation under the synergistic effect of stress unloading-hydration

According to the transversely isotropic theory and weak plane criterion, and considering the mechanical damages due to stress unloading and hydration during drilling, a shale wellbore stability model with the influence of stress unloading and hydration was established using triaxial test and shear t...

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Bibliographic Details
Main Authors: Yi DING, Xiangjun LIU, Lixi LIANG, Jian XIONG, Wei LI, Xiaochen WEI, Xi DUAN, Lianlang HOU
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2023-12-01
Series:Petroleum Exploration and Development
Subjects:
shale
drilling
bedding
stress unloading
hydration
shale strength
Online Access:http://www.sciencedirect.com/science/article/pii/S1876380424604817

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