Optimum gas saturation for maximum oil recovery from displacement by water
Conference
·
OSTI ID:7228418
The influence of a free gas saturation on recovery by water drive is investigated. A digital computer is used to calculate the combined oil recovery from solution-gas drive to various states of depletion and then oil recovery by water displacement at these states of depletion. Results of these calculations are compared, and optimum conditions for the maximum oil recovery are found for various fluid-rock systems. For most of the fluid-rock systems, the calculations show an optimum gas saturation other than zero. Using fluid and rock properties as parameters, graphs are plotted showing the optimum gas saturation and the increase in oil recovery brought about by the gas saturation. The effects of fluid properties and relative permeability on the optimum gas saturation are seen in these graphs. 15 fig.
- OSTI ID:
- 7228418
- Report Number(s):
- CONF-680926-6
- Country of Publication:
- United States
- Language:
- English
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