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Simulation of the Oil and Water Two-phase Flow Based on the Galerkin Finite Element Method |
ZHANG Xiansong1,2, DING Meiai3, ZHOU Zongming4, LIN Chunyang1,2 |
1. State Key Laboratory of Offshore Oil Exploitation, Beijing 100027, China;
2. CNOOC Research Institute, Beijing 100027, China;
3. Petroleum Exploration and Production Research Institute, SINOPEC, Beijing 100083, China;
4. China Zhen Hua Oil Company Limited, Beijing 100031, China |
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Abstract: This paper simulates the oil-water two-phase flow of oil and water based on the Galerkin finite element method, as an advanced reservoir simulation method. The finite element mathematical model in the weak form is derived for the oil-water two-phase flow, Then, a feasible strategy is adopted to deal with the nonlinearity terms in the well boundary processing and the upstream weight selection. Using the finite element code generation platform FEPG, the finite element software code based on hexahedral eight nodes is generated for the simulation of the three-dimensional two-phase oil-water percolation. To validate the finite element method and the software, the results are compared with those obtained by the commercial software based on the finite difference, and it is shown that the finite element method is effective and reliable.
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Received: 16 July 2013
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