Experimental Investigation of Adsorption of a New Natural Surfactant on Reservoir Rock

چکیده مقاله

The adsorption of surfactants on reservoir rock has been known from early studies on surfactant flooding. Surfactant loss due to adsorption on the porous medium of an oil reservoir is a major concern in enhanced oil recovery. This work describes adsorption of a new natural surfactant which extracts from Chamomile onto porous real reservoir rock has been studied by examining adsorption behavior in a system of solid phase rock and of an aqueous phase of surfactant. The amount of surfactant adsorption for different surfactant concentration was conducted in batch system. The studies were conducted at 25 °C. For the crushed rock, the equilibrium time was approximately 1 hour. Adsorption of surfactant was assessed using a conductivity technique for aqueous phase. The rate of adsorption dependent on availability of surfactant in the system, it was found that the adsorption of surfactant increased with increasing surfactant concentration and at the upper concentration the adsorption became constant. The results of this study can be a criterion for surfactant selection in enhanced oil recovery (EOR).

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