Investigasi Kompatibilitas Kombinasi Surfaktan Amfoter dan Nonion Terhadap Air Formasi Untuk Enhanced Oil Recovery

Syukri, M. (2020) Investigasi Kompatibilitas Kombinasi Surfaktan Amfoter dan Nonion Terhadap Air Formasi Untuk Enhanced Oil Recovery. Other thesis, Universitas Islam Riau.

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Abstract

In general, the use of surfactants in chemical injection uses only one type of surfactant. Based on the nature of the surfactants in which ion groups have different functions, mixing of the two types of surfactants is considered. Amphoteric surfactants which have two ionic charges can be applied to carbonate and sandstone reservoirs, as well as nonionic surfactants which do not have ions very suitable for reservoirs that have high salinity. The combination of two surfactants can potentially be applied in various reservoirs, so it is necessary to test the two mixtures. compatibility testing for formation water is one of the first steps before it is applied for chemical injection in the Enhanced Oil Recovery method. The compatibility test of this amphoteric and nonionic surfactant was carried out at a concentration of 0.5%; 1.0%; 1.5% and 2.0% with comparative ratio of amphoteric and nonionic surfactants, which are 1: 1 and 1: 2 in 10 ml of formation water solution to salinity variation of 5,000; 10,000; 25,000; 50,000 and 100,000 ppm. Compatibility testing is done by testing the aqueous stability and thermal stability of camouran surfactant amphoteric and nonion. Based on laboratory-scale research, amphoteric and nonionic surfactant mixtures for each mixing ratio are carried out in all salinity water formations, surfactant solutions that are stable or compatible with the formation water of each salinity ie surfactant mixtures with concentrations at 0.5%.

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