Tuesday, January 27, 2015

Reservoir Simulation Model

The distribution of porosity, permeability, and other properties over the area of a reservoir are incorporated in a reservoir simulation model. The models are updated as additional information becomes available. The validity of a model is judged by how closely actual results (fluid-flow rates, bottom-hole pressuress, and so on) match predictions based on the model.

A general rule of thumb is that a model can be used to predict reasonably well for about the same length of time as it has matched past history. Scenarios of production programs and strategies (for example, varying the number of wells and their locations, preferentially producing different wells, injecting water or gas to enhance the drive, and so on) are run on the model to determine how to optimize the economic return. Obviously, very realistic maps and data are required to achieve this end result.

(Sherrif. 1992. Exploration Seismology)

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