Adaptability Analysis of Incremental Oil Production Evaluation Method
for Polymer Flooding in Bohai Oilfield

doi:10. 3863/j. issn. 1674 – 5086. 2013. 04. 012

Abstract

Abstract:

Because of different oil viscosity and polymer injection time，it is necessary to analyze the adaptability of the
water flooding characteristic curves，which are used to predict oil production of water flooding，so as to select the suitable
incremental oil production evaluation method. Based on the actual reservoir data，typical models were built. Taking into
consideration different polymer injection time and oil viscosity，oil production of water flooding was predicted using different
water drive characteristic curves，thus the incremental oil production was determined. According to the results from numerical
simulation，average error and standard deviation were computed，and the appropriate evaluation method was selected. Based
on adaptability analysis results，incremental oil production of the polymer flooding trail in Bohai oilfield was calculated，and
the error was small compared with the results from reservoir simulation. This provides reference and guidance to accurate
calculation of incremental oil production for polymer flooding in Bohai Oilfield.

Key words: Bohai Oilfield, polymer flooding, incremental oil production, water flooding characteristic curve, adaptability
analysis

Zheng Wei1, Zhang Xiansong1, Jiang Hanqiao2, Geng Bin3, Chen Minfeng2. Adaptability Analysis of Incremental Oil Production Evaluation Method
for Polymer Flooding in Bohai Oilfield[J]. 西南石油大学学报(自然科学版), DOI: 10. 3863/j. issn. 1674 – 5086. 2013. 04. 012.

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