This paper studies the unsteady radial flow of slightly compressible liquids through a medium with multiple- porosity. In the first part of this paper, the exact solution of differential equations of unsteady radial flow through a medium with triple-porosity are obtained by using the method of integral transforms. This solution not only reveals the essential characters of the unsteady flow of oil through finite fractured reservoirs, but also comprises the primary results published /ill/

In the second part a systematic study on the unsteady radial flow of slightly compressible liquids through a medium with multiple- porosity by using the method of numerical simulation is made on the CJ-709 computer. It may reveal the behaviors of unsteady flow through fractured reservoir by calculating dimensionless pressure drop and flow rate vs dimensionless time in the case of constant production rnte at the well-bore and no flow at the outer boundary for different geological parameters.

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