GRAPH FACILITATES TRACKING WATER AND GAS INFLUX

03/26/1990
H.J. Gruy Gruy Engineering Corp. Houston Graphing the vertical distribution of reservoir volume is an easy method for estimating the acre-ft remaining to be exploited in reservoirs with water or gas encroachment. To evaluate reservoir performance and estimate oil and gas reserves in waterdrive reservoirs or oil reservoirs with a gas cap, it is necessary to determine the magnitude of the movement of oil-water and gas-oil contact surfaces. In reviewing reserve estimates and reservoir studies done by others, we have found that very few reservoir engineers or geologists have an easy method for tracking the movement of these surf...
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