Insani, Nur (2023) Studi Perbandingan Keefektifan Biopolimer Terhadap Kenaikan Recovery Factor Menggunakan Simulasi Cmg. Other thesis, Fakultas Teknik.

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Abstract

Polymer injection is one of the EOR methods that can be used to increase oil removal. In this study, biopolymer injection was carried out with 3 different injected fluids, namely Xanthan gum (XG), Durian Seed Starch (PBD) and Okra. Analysis was conducted to see the effect of the application of biopolymer on the increase in recovery factor after the injection of air (waterflood). The methodology used in this research is simulation with CMG (Computer Modeling Group) software. Based on the research that has been done, it shows that during the waterflooding process it produces a recovery factor of 62.21%. Meanwhile, when the polymer injection was carried out, it showed a higher recovery factor than waterflood. In this study, polymer injection was carried out with different concentrations, namely 1000 ppm and 2000 ppm. At a concentration of 1000 ppm, the recovery factor yields were 68.48% (XG biopolymer), 68.00% (PBD biopolymer) and 69.07% (okra biopolymer). Meanwhile, at a concentration of 2000 ppm, the recovery factor yields were 69.15% (XG biopolymer), 68.51% (PBD biopolymer) and 69.83% (okra biopolymer). Based on these results it is known that the concentration can affect the recovery factor. The higher the concentration, the higher the recovery factor is obtained, this is due to the increase in viscosity. Based on this research, the good or effective type of biopolymer used in increasing the recovery factor in this field is at a concentration of 1000 ppm in scenario 5 of okra biopolymer of 6.87% and a concentration of 2000 ppm is present in scenario 6 of okra biopolymer of 7.62%. In this case it is proven that the injected biopolymer can increase the recovery factor by 6-7%.

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