A New Method for Predicting Volumetric Sweep Efficiency of Water-Drive Oilfields

Abstract

Abstract: Water-drive volumetric sweep efficiency is an important parameter to evaluate the production performance and development adjust-ment effect. Based on the fluid mechanics theory and Buckley-Leverett equation, combined with the relationship between oil-water permeability ratio and water saturation, a new method for predicting volumetric sweep efficiency and evaluating the development adjustment effect on water-drive recovery is presented in this paper. The case study and application indicate that this method is reasonable, effective and feasible.

Key words: water-drive oilfield, volumetric sweep efficiency, B-L equation, production performance

CLC Number:

TE331

WANG Bo, ZUO Song-lin, LIU Lang, JIAO Yu-wei. A New Method for Predicting Volumetric Sweep Efficiency of Water-Drive Oilfields[J]. Xinjiang Petroleum Geology, 2011, 32(4): 387-389.

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A New Method for Predicting Volumetric Sweep Efficiency of Water-Drive Oilfields

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