Numerical Simulation of Geostress and Pore Pressure Evolution around Oil or Water Well under Different Injection-Production Ratio

Liu Jian-jun, Yu Xian-bin and Zhao Jin-zhou

Mathematical Problems in Engineering, 2013, vol. 2013, 1-10

Abstract:

Geostress evolution in the process of oil field development can directly influence wellbore stability. Therefore, it is significant to strengthen the research of the evolution rule for well drilling and casing protection. Considering the interaction between reservoir seepage and stress fields, a mathematical model to characterize the stress evolution around wellbore was built. Using the FEM Software ABAQUS, through numerical simulation, the authors studied the evolution features of pore pressure and stress changes with time under different injection-production ratio, which disclosed the dynamic change regulation of pore pressure and stress of surrounding rock nearby the injection and production wells. These results may have implications in the treatment of wellbore stability and optimizing the injection and production processes during oil and gas production.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:604748

DOI: 10.1155/2013/604748

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