The purpose of this paper is not just to present a case history, but also to provide guidelines for performing a reservoir study, and in particular, a material balance analysis. The study involved manipulating a complex material balance equation into forms which isolated certain input parameters. The forms were used graphically not only to estimate the OGIP, but also to verify those parameters used in the analysis. Production decline curves were used in conjunction with the material balance equation to predict future reservoir performance. Theoretical recovery calculations justified the future predictions.

Keywords:
porosity, bscf, estimates of resource in place, calculation, recovery factor, pressure point, equation, material balance equation, formation compressibility, prediction
Subjects:
Well & Reservoir Surveillance and Monitoring, Reservoir Characterization, Fluid Characterization, Reservoir Simulation, Formation Evaluation & Management, Reserves Evaluation, Unconventional and Complex Reservoirs, Phase behavior and PVT measurements, Open hole/cased hole log analysis, Drillstem/well testing
Copyright 1983, Society of Petroleum Engineers of AIME
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