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Keywords: anionic surfactant
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Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190377-MS
... to the combined effect of 2 wt. % negatively-charged silica NPs and only 0.1 wt. % anionic surfactant. These results suggest that the repulsive interaction between negatively-charged NPs and anionic surfactant may result in pushing the surfactant molecules back towards the oil-water interface to enhance IFT...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, April 16–18, 2012
Paper Number: SPE-155676-MS
.... An experimental study was conducted to evaluate the performance of the low-tension polymer flooding (LTPF) process in recovering water flood residual oil using two types of amphoteric surfactants, two types of anionic surfactants, and two types of polymers that are suggested to be used for high salinity / high...
Proceedings Papers

Paper presented at the SPE EOR Conference at Oil and Gas West Asia, April 16–18, 2012
Paper Number: SPE-155679-MS
... material. Core flooding experiments was conducted on challenging condition of elevated temperature of 95°C and high salinity environment of 172,000 ppm. ASP formulation prepared with anionic surfactant showed the best oil recovery compared to other chemical flooding processes. Although solutions prepared...

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