Mechanical and physico-chemical aspects of wellbore stability during drilling operations

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• 作者：Mohammad Ebrahim Zeynali ^{m.zeynali@ippi.ac.ir}
• 关键词：wellbore stability ; drilling mud
• 刊名：Journal of Petroleum Science and Engineering
• 出版年：2012
• 期刊代码：33_09204105
• 类别：pw
• 出版时间：February-March, 2012
• 卷：82-83
• 期：Complete
• 页码：120-124
• 文件大小：165 K

摘要

One of the problems during drilling operation is wellbore instability. Many parameters affect the wellbore stability. Some of these parameters are related to the properties of drilling mud and its interaction with the formation and some of them are related to the mechanical properties of the formation and the magnitude and distribution of the forces around the wellbore. Generally the wellbore instability is calssified as mechanical, physico-chemical or both. This paper is an attempt to investigate the mechanical and physico-chemical aspects of wellbore stability during drilling operations