Putri, Salsa Dhua Berliana (2023) Analisis Pengaruh Penambahan Alkali Pada Kombinasi Surfaktan Anionik Dan Amfoter. Other thesis, Universitas Islam Riau.

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Abstract

Enhanced Oil Recovery (EOR) is one method that can be chosen as a solution to increase oil recovery that is no longer optimally produced using primary recovery. By using chemical EOR methods such as chemical flooding (alkaline, surfactants, polymers) in the form of alkaline surfactant (AS) flooding chemical solutions to mobilize the remaining oil still in the reservoir in order to help increase oil recovery. The use of alkaline surfactants can provide a good reaction to the crude oil still in the reservoir so that it can increase the oil recovery factor by more than 20%. This research analyzes the AS solution by conducting compatibility testing, thermal stability testing, and phase behavior testing. The results of compatibility testing conducted for 7 days at room temperature are known to produce clear AS solution at a ratio of 1:2 and 1: 3 with surfactant concentrations of 0.5, 1, 1.5, 2, and 2.5%. Thermal stability test results that have been observed for 7 days at a reservoir temperature of 60°C produce a stable solution that remains clear during the heating period. The results of phase behavior testing that has been carried out for 7 days resulted in the entire test sample not passing the test that has been carried out this causes that the sample cannot be carried out for further testing.

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