Enhanced oil recovery represents a critical evolution in hydrocarbon extraction, moving beyond the initial phases of production to unlock reserves previously considered inaccessible. This method is typically applied in large, homogeneous formations with high permeability.
CO2 Injection EOR Process: Maximizing Recovery Through Carbon Dioxide Flooding
The alkali, typically sodium hydroxide, reacts with the acidic components in the crude oil to generate surfactants in situ. Alkaline-Surfactant-Polymer (ASP) Flooding ASP flooding represents a sophisticated class of chemical recovery that leverages the reaction between alkali, surfactants, and polymers.
This methodology applies specific techniques to increase the amount of crude oil that can be extracted from a reservoir, maximizing the value of existing infrastructure. This is achieved through methods that either dissolve the oil, reduce its effective density, or change the wettability of the rock surface.
CO2 Injection EOR Process: Maximizing Residual Oil Recovery
Surfactants, or detergents, are injected to reduce the interfacial tension between the oil droplet and the rock surface. This cyclic process is repeated to build pressure and enhance the cleanup of the well area.
More About Enhanced oil recovery
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