Predicting reserves and performance of a peripheral waterflood
Conference
·
OSTI ID:6431544
A method to predict the reserves and performance of a waterflood utilizing peripheral injection is developed. It is a modification of the method used by M. Prats, et al. (''Prediction of Injection Rate and Production History for Multifluid Five-Spot Floods,'' SPE OF AIME TRANS. v. 216, p 98, 1959) to predict the reserves and performance of a 5-spot waterflood system. Prats el al. based their method on being able to accurately predict injection rates over the life of a waterflood. Both theoretical and experimental work was performed to develop a method for computing injection rate. This method not only assumes that injection rate into a layer is proportional to the permeability capacity, but also takes into account the effect of the water and oil banks and the fluid mobilities within each of the banks. It involves primarily the prediction with time of the rate of injection into and the type of production from each individual layer. The method presented is believed to be more accurate for predicting reserves and performance of a peripheral waterflood than methods utilizing a constant injection rate, or methods not considering the buildup of an oil bank ahead of the water front. (18 refs.)
- OSTI ID:
- 6431544
- Report Number(s):
- CONF-650572-
- Country of Publication:
- United States
- Language:
- English
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