RESEARCH ARTICLE


Simulation of Well Wall Stress Distribution Model and Well Stability



Lixi Liang, Wen Yuan*, Xiangjun Liu, Tao Wu
School of Petroleum and Gas Engineering, Southwest Petroleum University, Chengdu, China


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© Liang et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution-Non-Commercial 4.0 International Public License (CC BY-NC 4.0) (https://creativecommons.org/licenses/by-nc/4.0/legalcode), which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Southwest Petroleum University, Chengdu, China; Tel: +86-155-2817-8361; E-mail: happylovecandy@sina.com


Abstract

Horizontal well has gained increasing importance in oil and gas development. Thus stress distribution models around the horizontal well attract more people than earlier. In the last few years, a lot of stress distribution models have been proposed by domestic and international scholars. Through numerical simulation analysis, the differences between five models have been analyzed. The classic model suits for qualitative characterization. Using D-P principle to judge well wall stability of different models instructs that the differences between models decrease with the increase of stability factor.

Keywords: D-P principle, horizontal well, numerical simulation, stress distribution model around the well, well wall stability.