Study on the Alkali-Free Three-Component Flooding System in the Daqing Oilfield
Xiaoying Liu,
Hao Wu,
Sian Chen
et al.
Abstract:ASP flooding is an important method to further improve oil recovery by a large margin. At present, it has entered the stage of industrial application, but there are still problems of scaling in the injection production system and high production maintenance costs. Based on the industrialized mature technology of weak alkali ASP flooding, sodium chloride is used to replace sodium carbonate, and the alkali-free three-component flooding (TC) system in the Daqing Oilfield is developed by mixing with petroleum sulf… Show more
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