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Yu G.-M.,State Key Laboratory of Low Permeability Oil and Gas Fields Exploration and Development Engineering | Yu G.-M.,Petrochina | Gao C.-N.,State Key Laboratory of Low Permeability Oil and Gas Fields Exploration and Development Engineering | Gao C.-N.,Petrochina | And 6 more authors.
Xinan Shiyou Daxue Xuebao/Journal of Southwest Petroleum University | Year: 2011

Based on the low permeability and high salinity oil reservoirs of Jurassic, this paper summarizes the experiences and lessons of polymer flooding experiments in recent years. According to the present technology in weak polymer gel flooding at home and abroad, and based on the geologic reservoir features and current status of exploitation, a weak polymer gel flooding system which meet the situation of low permeability and high salinity oil reservoir of Jurassic is developed, and the system performes well in the field experiment. The results showed that weak polymer gel flooding system is suitable for low permeability and high salinity oil reservoirs; it can slow down the descending, reduce the water ratio and enhanced oil recovery. Source

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