A New Evaluation Way for the Adaptability of CO2 Flooding Reservoirs Based on Cluster Analysis

Jing Jie Yao; Zhi Ping Li; Yang Chen

doi:10.4028/www.scientific.net/AMR.962-965.457

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 962-965A New Evaluation Way for the Adaptability of CO2...

A New Evaluation Way for the Adaptability of CO₂ Flooding Reservoirs Based on Cluster Analysis

Abstract:

Carbon dioxide miscible flooding in oil reservoirs is a general method of enhancing oil recovery, nevertheless, not all reservoirs adapt to this method. Therefore, evaluating the adaptability of carbon dioxide flooding reservoirs becomes an important problem which is urged to be solved. Through the research of carbon dioxide flooding situation and displacement mechanism, twelve factors which influenced the oil displacement effect could be obtained. Compared factors with oil recovery by means of the advanced analysis of SPSS, and chose ten factors to be the evaluating indices which could apply in cluster analysis. Through building mathematical model and clustering reservoirs, the adaptability of carbon dioxide flooding could be evaluated comprehensively. Apply this method to cluster nine typical reservoirs which have adopted carbon dioxide flooding, the results show that, this method can evaluate the adaptability of carbon dioxide flooding reservoirs, which is corresponding to the real exploitation effect.

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Periodical:

Advanced Materials Research (Volumes 962-965)

Pages:

457-460

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.962-965.457

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Online since:

June 2014

Authors:

Jing Jie Yao*, Zhi Ping Li, Yang Chen

Keywords:

Carbon Dioxide Miscible Flooding, Cluster Analysis, Evaluating Indices, Oil Recovery

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