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Interfacial tension and wettability change phenomena during alkali-surfactant interactions with acidic heavy crude oil
, Article Energy and Fuels ; Vol. 29, issue. 2 , January , 2015 , p. 649-658 ; ISSN: 08870624 ; Masihi, M ; Ayatollahi, S ; Sharif University of Technology
Abstract
In this work, a newly formulated sulfonate-based surfactant and two other commercial sulfate-based surfactants with the capability of tolerating harsh underground reservoir conditions, such as high-saline formation water and high temperature, were prepared. Sodium metaborate as an effective alkali compound was also used to provide alkali-surfactant combination. Interfacial tension (IFT) measurements as well as wettability examinations for different salinities and mixture conditions were performed for an extended range of the chemical concentrations. The wettability tests including both contact angle measurements and Amott cell tests were performed on saturated Berea sandstone plug samples...
Interfacial tension and wettability change phenomena during alkali-surfactant interactions with acidic heavy crude oil
, Article Energy and Fuels ; Volume 29, Issue 2 , 2015 , Pages 649-658 ; 08870624 (ISSN) ; Masihi, M ; Ayatollahi, S ; Sharif University of Technology
American Chemical Society
2015
Abstract
In this work, a newly formulated sulfonate-based surfactant and two other commercial sulfate-based surfactants with the capability of tolerating harsh underground reservoir conditions, such as high-saline formation water and high temperature, were prepared. Sodium metaborate as an effective alkali compound was also used to provide alkali-surfactant combination. Interfacial tension (IFT) measurements as well as wettability examinations for different salinities and mixture conditions were performed for an extended range of the chemical concentrations. The wettability tests including both contact angle measurements and Amott cell tests were performed on saturated Berea sandstone plug samples...