Using Sodium Dodecyl Sulfate (SDS) and CO2 as Environmentally Friendly Method for Reducing Residual Oil Saturation

Author:

Al-Assal Jawad R.,Al-Rubaye Ameer H.,Al-Robai Hazim Aziz

Abstract

Abstract Dioxide carbon is essentially blamed to be the main factors causing the climate change effect because it is the most important anthropogenic greenhouse gas. Carbon capture and storage (CCS) technology is widely embraced as one of the leading and easiest Environmentally Friendly ways of mitigating carbon emissions to the atmosphere. By reducing interfacial tension and enhancing oil mobility, surfactant flooding increases oil production by improving the displacement of the oil by water injection. When porous rocks’ wettability is improved with surfactant EOR, more oil is displaced from the water that passes through them more efficiently. One of the major problems with Enhanced Oil Recovery (EOR) operations is surfactant adsorption. The injection of surfactants into the field to reduce interfacial tension, modify wettability, and regulate mobility in order to increase the amount of oil recovered from a previously water-flooded reservoir is one method of enhanced oil recovery (the extraction of previously unattainable petroleum from an oil deposit using non-traditional methods). The loss of surfactant resulting from adsorption on formation rocks is one of the process’ major challenges. In fact, significant surfactant adsorption can cause chemical EOR procedures uneconomical. After studying the phase behavior and the interfacial characteristics of 10 surfactants with oil, sodium dodecyl sulfate (SDS) was chosen as the surfactant. Since sodium dodecyl sulfate had a higher oil recovery rate than the other surfactants, it was chosen among those Furthermore, it can produce stable emulsions at low concentrations without the need of a co-surfactant or an alkaline agent, and it can also do so while maintaining ultra-low interfacial tension (IFT). Carbon dioxide injection is a safe way to reduce its concentration in the atmosphere.

Publisher

IOP Publishing

Subject

General Engineering

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