Application of a new bio-ASP for enhancement of oil recovery: Mechanism study and core displacement test
Fuel(2021)
Abstract
•New Bio-ASP application for enhancement of oil recovery.•Surfactin (400 ppm) and schizophyllan (600 ppm) were used with sodium carbonate (1.1%).•Core flood experiments were carried out using Omani and Berea sandstone core plugs.•An ABsBp slug (0.5 PV) followed by 3 PV Bp drive showed 14–32% additional oil recovery.
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Key words
Biosurfactant,Biopolymer,Interfacial tension,Core flood
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