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Numerical Simulation on Water Flooding Development of Fractured Reservoirs in a Discrete-fracture Model
HUANG Zhaoqin, YAO Jun, WANG Yueying, LV Xinrui
CHINESE JOURNAL OF COMPUTATIONAL PHYSICS    2011, 28 (1): 41-49.  
Abstract466)      PDF (1244KB)(1639)      
With equivalent concept of single fracture,a discrete-fracture model is developed,in which macroscopic fractures are described explicitly as(n-1) dimensional geometry elements.This simple step greatly improves efficiency of numerical simulation.The model can really reflect impact of fractures on fluid flow through fractured reservoirs simultaneously.A fully coupling discrete-fracture mathematical model is implemented using Galerkin finite element method.Validity and accuracy of the model and numerical algorithm are demonstrated through several examples.Effect of fractures on water flooding in fractured reservoirs is investigated.It demonstrates that the discrete-fracture model is valid for fractured reservoirs,especially for those reservoirs in which macroscopic fractures exist.
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