A Fast Solution to the Mathematical Model of Cross-linked
Polymer Flooding

doi:10.11885/j.issn.1674-5086.2012.08.30.12

Abstract

Abstract:

To solve the problem of the poor computational efficiency in solving reservoir mathematical model，we studied a
fast solution. A three-dimension，two-phase（oleic，aqueous）and five-component（oil，water，polymer，cross-linked polymer，
cross-linker）mathematical model was presented according to the profile control and flooding mechanism of cross-linked polymer
flooding. Based on IMPES method，a more efficient and more stable Douglas difference scheme was proposed which uses
the step-by-step reduced-order idea to solve a model. The simulation result shows that compared with commercial simulator
CMG，the Douglas difference scheme in combination with chase method can greatly improve the solution efficiency，which
provides an effective way to solve a reservoir mathematical model.

Key words: cross-linked polymer flooding, mathematical model, Douglas difference scheme, reservoir numerical simulation

Yuan Fuqing1，2, Mu Tinghua3, Wei Cuihua2. A Fast Solution to the Mathematical Model of Cross-linked
Polymer Flooding[J]. 西南石油大学学报(自然科学版), DOI: 10.11885/j.issn.1674-5086.2012.08.30.12.

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