Abstract

Based on equations describing pressure-content performance of gas reservoirs subject to water drive, the paper presents a solution developed for prediction of hysteresis performance of storage fields. The method validated using field data form several storage reservoirs has been developed into a storage performance simulator with a number of applications of interest to the storage industry. Prognostic reservoir studies for detecting loss of storage gas due to migration or wellbore seepage, calculation of cumulative loss as a function of time, cycling of aquifers, and recoverability of cushion gas are among the applications presented.

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Keywords:
storage field, seepage, water drive, inventory, storage reservoir, reservoir, prediction, reserves evaluation, efflux, hysteresis performance
Subjects:
Reservoir Simulation, Reserves Evaluation, Estimates of resource in place
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1998. Society of Petroleum Engineers
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