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    Feasibility of Re-injecting the Production Effluent from Alkali–Surfactant–Polymer Flooding Systems Back into a Reservoir to Further Improve Oil Recovery

    Alkali–surfactant–polymer (ASP)-produced effluent contains polymer, alkali and surfactant, and it has higher content of suspended oil droplets and suspended solids than ordinary effluent. To decrease environme...

    Chengli Zhang, Bozhou Hu, Peng Wang, **aofei Fu in Natural Resources Research (2020)