Weak Polymer Gels Flooding Experiment in Low Permeability and High SalinityOil Reservoir

doi:10.3863/j.issn.1674 – 5086.2011.04.023

西南石油大学学报(自然科学版) ›› 2011, Vol. 33 ›› Issue (4): 125-129.DOI: 10.3863/j.issn.1674 – 5086.2011.04.023

• 石油与天然气工程 • Previous Articles Next Articles

Weak Polymer Gels Flooding Experiment in Low Permeability and High SalinityOil Reservoir

YU Guang-ming1， 2， GAO Chun-ning1， 2， WU Ping-cang1， 2， LI Wen-hong1， 2， LI Ai-qin1， 2

1. State Key Laboratory of Low Permeability Oil and Gas Fields Exploration and Development Engineering， Xi’an， Shanxi 710018；2. Research Institute of Exploration and Development， Changqing Oilfield， PetroChina， Xian， Shanxi 710018， China

Received:1900-01-01 Revised:1900-01-01 Online:2011-08-20 Published:2011-08-20

Abstract

Abstract: 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.

Key words: high salinity, low permeability, weak polymer gels, decrease, enhanced oil recovery

CLC Number:

TE357

YU Guang-ming;;GAO Chun-ning;;WU Ping-cang;;LI Wen-hong;;LI Ai-qin;. Weak Polymer Gels Flooding Experiment in Low Permeability and High SalinityOil Reservoir[J]. 西南石油大学学报(自然科学版), 2011, 33(4): 125-129.

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Weak Polymer Gels Flooding Experiment in Low Permeability and High SalinityOil Reservoir

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