This paper presents integrated recovery efficiency forecast models of primary, initial waterflood and infill drilling for San Andres reservoirs in the Central Basin Platform and the Northern Shelf, West Texas. We develop the integrated forecast models using a depositional energy index, a porosity index and a well spacing index. The depositional energy index is developed based on the idealized depositional sequences of the ramp and the shelf model. Normalization is used to define the porosity index and the well spacing index. A linear regression analysis is conducted on a data base to develop the integrated forecast models.

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