New Sereening Method for Reservoir by Natural Gas-Injection Miscible Flooding Process

Abstract

Abstract: Natural gas injection miscible flooding is one of means for EOR. This paper presents the factors thal affect gas injection results based on the analysis of lean-gas and rich-gas injection miscible flooding mechanisms and gas injection performance analysis. by which the related assessment index systems are establisbed. Combining with reservoir physics and reservoir engineering evaluation methods, the rclated indices are quantified. The modern decision analysis method and optimal scheme index assignment inethod are used to syntbheti-cally screen and assess the candidate reservoir. The result shows that this method could reflect the influences of various factors on gas in-jection, and will be applied on pilot test.

Key words: gas injection, miscible flooding, screeningg index, assessment

CLC Number:

TE357.42

DENG Bo, XIONG Yu. New Sereening Method for Reservoir by Natural Gas-Injection Miscible Flooding Process[J]. Xinjiang Petroleum Geology, 2005, 26(2): 212-214.

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New Sereening Method for Reservoir by Natural Gas-Injection Miscible Flooding Process

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