Alkyl Polyglycoside-Sorbitan Ester Formulations for Improved Oil Recovery
Yilei Wu, Stefan Iglauer, Patrick J. Shuler, Yongchun Tang, William A. Goddard III
2010Tenside Surfactants Detergents, 47(5), 280-28739cited
Abstract
We measured interfacial tensions (IFT) of aqueous alkyl polyglucoside (APG) systems formulated with sorbitan ester-type cosurfactants against n-octane. The study focused on low to ultra-low IFT systems which are relevant for enhanced oil recovery (EOR). In addition, we measured equilibrium adsorption concentrations of these surfactants and cosurfactants onto kaolinite clay, commonly found in oil reservoirs. We present one surfactant EOR laboratory flood experiment with one selected APG-sorbitan ester formulation with which we recovered 94% of initial oil in place (IOIP).
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Wu, Y., Iglauer, S., Shuler, P. J., Tang, Y., & III, W. A. G. (2010). Alkyl Polyglycoside-Sorbitan Ester Formulations for Improved Oil Recovery. *Tenside Surfactants Detergents*, *47*(5), 280-287. https://doi.org/10.3139/113.110078