The object of this work is to develop a mathematical model, as suggested by H. J. Ramey [1], for simulating unsteady flow in geothermal reservoirs containing a single phase fluid.

The reservoir is a homogeneous, isotropic parallelelepiped with no-flux or constant pressure walls, according to the most probable geological conditions.

At present our model considers a non-penetrating wellbore as it will first be applied to Travale geothermal field where many data are available for a productive well with no penetration at all.

The computer program is easily modified, however, to suit other well conditions such as partial penetration or fractured wells. The finite radius of our well was simulated computing the pressure drop at a given distance from the point sink.

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Copyright 1975, Stanford Geothermal Program: Readers who download papers from this site should honor the copyright of the original authors and may not copy or distribute the work further without the permission of the original publisher.