At pressures above the bubble point, pore volume drive is a dominate denominator term. Compressibility is important at pressures > BP, for both liquid and formation.
Water drive, however, is unaffected by the BP, and Rp (produced GOR cumulative) changes very slowly over the life of the field.
I think it should be a (1+m) in front of Pore Volume Drive. Am I correct? Thats missing from 13 RES 3 as well.
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