Simulation of Stress And Strain Changes in Rock Fissured Matrix by Poroelastic Model and Calculating Porosity and Permeability Reductions by COMSOL Software
Publish place: Third Persian Gulf Oil, Gas and Petrochemical Conference
Publish Year: 1399
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
OGPC03_061
تاریخ نمایه سازی: 12 آبان 1400
Abstract:
This research examines the pressure drop of the fluid in the fissure and rock matrix for different stress states using the computational fluid dynamics. The case study in this research is a cylindrical (Core) and cubic (Cubic) rock with a linear split pattern. In the cylindrical sample, an identical tensile stress is introduced into the rock as well as the axial stress. These stresses generally influences the fluid flow dynamics. The geometry of the fissures in these blocks is assumed as a linear fissure. The conductivity rate of fissure is affected by the lateral stresses. In a cube-shaped sample, three-axial stresses are introduced on rock and fluid. These stresses change the dynamics of the in-fissure flow. The COMSOL simulation software has been used in this study.
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Authors
Javad Hamzavi
Middle East Sugar Cultivation and Industry Company, Shousha, Khuzestan, Iran,
Shadi Bayati
Department of Chemical Engineering, Jami Institute of Higher Education, Fooladshahr,Isfahan, Iran,
Hamed Khalili
Department of Chemical Engineering, Faculty of Engineering, Islamic Azad University,Lamerd Branch, Shiraz, Iran,
Sajjad Khodayari
Gachsaran Oil and Gas Exploitation Company, South Oil Fields, Iran ,