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    Chapter and Conference Paper

    Properties of Surfactant Solution for Foam-Flooding

    The chemical flooding in Daqing Oilfield has entered the following water flooding stage, and about more than 50% of the crude oil remains in the reservoir. In order to maintain the sustainable and effective de...

    H. S. Liu, G. Chen, R. B. Cao, P. H. Han in Proceedings of the International Field Exp… (2020)

  2. No Access

    Chapter and Conference Paper

    Post-flooding with Associative Polymer/Alkali/Surfactant Ternary System After Polymer-Enhanced Oil Recovery

    Successful story has been witnessed on polymer flooding in Daqing oilfield, from which the average oil recovery factor in major reservoirs can reach 15% or even higher. However, some of reservoir blocks with p...

    P. H. Han, R. B. Cao, H. S. Liu, W. Yan in Proceedings of the International Field Exp… (2020)