SHORT-TERM TEST CAN CUT COST OF GAS RESERVE DETERMINATION

S.W. Poston, H.Y. Chen, A. Deshpande Texas A&M University College Station, Tex. To determine original gas in place (OGIP), gas operators can reduce testing costs by replacing static pressures with short-term build-up pressures. These cost savings are the result of reduced well downtime and less lost production during testing. This new, isochronal, transient p/z (pressure divided by gas compressibility factor) method uses transient, or shut-in pressure build-up data measured with respect to

Sep 14th, 1992
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