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alkyl-benzene-sulfonic-acids
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A laboratory approach to enhance oil recovery factor in a low permeable reservoir by active carbonated water injection
, Article Energy Reports ; Volume 7 , 2021 , Pages 3149-3155 ; 23524847 (ISSN) ; Paprouschi, A ; Elveny, M ; Podoprigora, D ; Korobov, G ; Sharif University of Technology
Elsevier Ltd
2021
Abstract
In this paper, different injectivity scenarios were experimentally investigated in a coreflooding system to observe the efficiency of each method in laboratory conditions. Surfactant flooding, CO2 injection, carbonated water injection (CWI), active carbonated water injection (ACWI), after water flooding were investigated through the coreflooding system. First, it is necessary to optimize the surfactant concentration and then use it in ACWI injection. To do this, linear alkylbenzene sulfonic acid (LABSA) was used as a cationic surfactant at different concentrations. It was observed that 0.6 PV concentration of LABSA had an optimum result as increasing the surfactant concentration would not be...