STUDY OF “TWO BOXES” ANALYSIS MODELS OF COUPLED THERMAL FLOW IN HEAVY OIL RESERVOIRS AND THEIR APPLICATION
WANG Zhiguo1，2，CHEN Jian1，YANG Wenzhe1，2，ZHANG Wenfu1，3，SONG Yongchen2
(1. School of Civil Engineering and Architecture，Northeast Petroleum University，Daqing，Heilongjiang 163318，China；2. College of Energy and Power Engineering，Dalian University of Technology，Dalian，Liaoning 116024，China；3. Heilongjiang Key Laboratory of Disaster Prevention，Mitigation and Protection Engineering，Northeast Petroleum University，
Daqing，Heilongjiang 163318，China)
Abstract：There are coupled thermo-hydro-mechanical processes in the thermal recovery producing and their analysis models and methods are insufficient at present. According to development characteristics of heavy oil reservoir，the “two boxes” analytical methods in the reservoir heat and mass transfer processes are proposed. “Black box” analytical method as a general analytical method rules out internal heat and mass transmission in reservoir porous media，and includes energy transfer process between reservoirs and outside and energy change within the system. “White box” analytical method as a fine analytical method contains “black method” and it also studies energy conversion process system among internal parts. On this basis，numerical simulation and analysis by CMG software are carried out and the judgment criterion of finding vapor condensation area and its front finger during thermal recovery is proposed. This research gives basic theories for further research of flow characteristics in heavy oil thermal recovery injection process and improvement of the oil and gas recovery during tertiary recovery.
王志国1，2，陈 键1，杨文哲1，2，张文福1，3，宋永臣2. 稠油油藏热流耦合“两箱”分析模型及应用研究[J]. 岩石力学与工程学报, 2012, 31(5): 1007-1015.
WANG Zhiguo1，2，CHEN Jian1，YANG Wenzhe1，2，ZHANG Wenfu1，3，SONG Yongchen2. STUDY OF “TWO BOXES” ANALYSIS MODELS OF COUPLED THERMAL FLOW IN HEAVY OIL RESERVOIRS AND THEIR APPLICATION. , 2012, 31(5): 1007-1015.
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2012, Vol. 31 
