A review on thermal-hydraulic-mechanical coupling theory in the development of oil and gas reservoir
Author of the article:SONG Jiecheng1, FAN Xiangyu1, LIU Jianjun2, YIN Guoqing3, ZHANG Xiaolong1,4, WANG Zhimin3
Author's Workplace：1. School of Geoscience and Technology, Southwest Petroleum University, Chengdu, Sichuan, 610500, China; 2. Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, Hubei, 430071, China; 3. Research Institute of Exploration and Development, PetroChina Tarim Oilfield Company, Korla, Xinjiang, 841000, China; 4. College of Engineering, Sichuan Normal University, Chengdu, Sichuan, 610068, China
Key Words：Oil and gas reservoir; Thermal-hydraulic-mechanical coupling; Mathematical model; Numerical simulation; Engineering application
Abstract：
The change of formation pressure and temperature in
the development of oil and gas reservoirs lead to changes in the rock mechanics
properties of the reservoir, resulting in rock deformation, which in turn
affects fluid flow. Temperature change, rock deformation and fluid flow occur
simultaneously and there is a coupling relationship among them. Therefore,
research on the theory of thermal-hydraulic-mechanical(THM) coupling is very significant for
reservoir development. This article elaborates on mathematical model, numerical
simulation and engineering application of reservoir THM coupling and
systematically summarizes the THM theory and its application in the field of
reservoirs. Based on the current technical requirements for reservoir
development, the research focus of the theory of THM coupling of deep tight
unconventional reservoirs is put forward, with an outlook on its future
development direction.