Numerical solutions for the transient flow in the homogenous closed circle reservoirs |
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Authors: | Rong Zhou Yuewu Liu Fuxin Zhou |
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Institution: | (1) State Key LNM, Institute of Mechanics, CAS, 100080 Beijing, China;(2) Division of Engineering Science, Institute of Mechanics, CAS, 100080 Beijing, China |
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Abstract: | There are many fault block fields in China. A fault block field consists of fault pools. The small fault pools can be viewed
as the closed circle reservoirs in some case. In order to know the pressure change of the developed formation and provide
the formation data for developing the fault block fields reasonably, the transient flow should be researched. In this paper,
we use the automatic mesh generation technology and the finite element method to solve the transient flow problem for the
well located in the closed circle reservoir, especially for the well located in an arbitrary position in the closed circle
reservoir. The pressure diffusion process is visualized and the well-location factor concept is first proposed in this paper.
The typical curves of pressure vs time for the well with different well-location factors are presented. By comparing numerical
results with the analytical solutions of the well located in the center of the closed circle reservoir, the numerical method
is verified. |
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Keywords: | fluid flow in porous media transient flow closed circle reservoir numerical solution |
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