Buckley-Leverett waterflood calculations
Journal Article
·
· Prod. Mon.; (United States)
OSTI ID:6079921
The Buckley-Leverett method of estimating oil recovery by waterflooding is used quite frequently. The technique provides a means to calculate oil recovery as a function of the water injected. If the water is injected at a constant or variable rate, the recovery as a function of time may be calculated. The method permits calculating the oil recovery at breakthrough, the oil recovery for any producing water-oil ratio, and the total quantity of water required for given water-oil ratio. An oil-water permeability curve is required to use this technique. The curve is used to show the fraction of fluid flowing as a function of saturation. The oil and water viscosities are required together with the conventional data obtained from core analysis. If a gas phase is present, this must be taken into consideration. A method is given for making the calculations. The Buckley-Leverett method uses one fractional flow curve and thus one curve represents the reservoir area of interest. The oil-recovery calculations depend on the one relative permeability plot.
- OSTI ID:
- 6079921
- Journal Information:
- Prod. Mon.; (United States), Journal Name: Prod. Mon.; (United States) Vol. 32:1; ISSN PROMA
- Country of Publication:
- United States
- Language:
- English
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