J4 ›› 2010, Vol. 45 ›› Issue (8): 19-26.

• Articles • Previous Articles     Next Articles

An implicit scheme for numerical simulation of binary combination flooding and application

YANG Yao-zhong1,2, LU Tong-chao3*, DAI Tao4, XI Kai-hua3, YU Jin-biao4, REN Yong-qiang3, CHENG Ai-jie3   

  1. 1. Development Section of Shengli Oilfield Branch Company, Sinopec, Dongying 257001, Shandong, China;
    2. School of Energy Resource, China University of Geoscience, Beijing 100083 China;
    3. School of Mathematics, Shandong University, Jinan 250100, Shandong, China;
    4. Geological Science Research Institute of Shengli Oilfield Branch Company, Sinopec, Dongying 257015, China
  • Received:2010-05-06 Online:2010-08-16 Published:2010-09-16


The problem of incompressible immiscible two phase displacement with multi-components in porous media, which arises from chemical flooding in oil recovery, is considered. Mathematical model including pressure equation, concentration equation for components and saturation equation for water phase arising from conservation of components in water phase is provied. A sequential implicit difference scheme is established. Some typical simulation experiments are implemented for polymer-surfactant flooding. The proposed implicit method is more stable and efficient than the traditional methods of implicit-pressure-explicit-concentration.

Key words: petroleum simulation; explicit scheme; implicit scheme; field simulation experiment

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