期刊
POLYMER REVIEWS
卷 55, 期 3, 页码 491-530出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15583724.2014.982821
关键词
polymer flooding; enhanced oil recovery; rheology; thermal stability; adsorption
资金
- Saudi Aramco [CPM 2297]
- Center of Petroleum and Minerals, King Fahd University of Petroleum Minerals
Polymer flooding is one of the most promising techniques for the recovery of remaining oil from light oil reservoirs. Water soluble polymers are used to enhance the viscosity of displacing fluid and to improve the sweep efficiency. In this paper, water soluble polymers used for chemical enhanced oil recovery are reviewed. Conventional and novel modified polymers are discussed along with their limitations. The review covers thermal stability, rheology, and adsorption behavior of various polymer systems in sandstone and carbonate reservoirs. Field and laboratory core flooding data of several polymers are covered. The review describes the polymer systems that are successfully applied in low-temperature and low-salinity reservoirs. Comprehensive review of current research activities aiming at extending polymer flooding to high-temperature and high-salinity reservoirs is performed. The review has identified current and future challenges of polymer flooding.
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