Establishment and Application of a New Method for Predicting Polymer-Flooding Development Potential

doi:10.11885/j.issn.1674-5086.2015.09.02.21

Abstract

Abstract: By analyzing the influence degree of main factors on polymer flooding effect, the classification and weighting coefficient for each factor were determined. A comprehensive scoring method for polymer flooding was established with consideration of reservoir parameter scores and their weighting factors. The comprehensive scores of 13 polymer flooding field tests in China were calculated by the new method. A relationship between EOR and polymer flooding comprehensive score coefficient was built by exponential regression according to the evaluation result of polymer flooding field tests in China. It could be used to predict the development effect of polymer flooding for different reservoir types. It was applied to prediction of the EOR of polymer flooding in Gucheng 124 Block and Xiaermen H2II Block. The errors between the predicted results and actual values were 3.8% and 12.7% respectively. It was objective and convenient to calculate the polymer flooding potential and evaluate the polymer flooding feasibility in the fields.

Key words: polymer flooding, predicting method, weight coefficient, potential, comprehensive evaluation

CLC Number:

YANG Shengjian, LIU Zhaoxia, WANG Qiang, GAO Ming, LIU Wanlu. Establishment and Application of a New Method for Predicting Polymer-Flooding Development Potential[J]. 西南石油大学学报(自然科学版), 2016, 38(6): 152-157.

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URL: http://journal15.magtechjournal.com/Jwk_xnzk/EN/10.11885/j.issn.1674-5086.2015.09.02.21

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