Alfarizi, Faishal Akbar (2024) Analisis Pengaruh Injeksi Surfaktan Dan Polimer Pada Permeabilitas Reservoir Karbonat Di Lapangan Q. Other thesis, Universitas Islam Riau.

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Abstract

Most of today's large hydrocarbon reserves occur in carbonate reservoirs. Carbonate reservoirs usually have low permmeabity and minimal pores. These second characteristics as well as the nature of the rock and oil usually result in lower hydrocarbon recovery rates. Enhanced Oil Recovery (EOR) technology is one way to increase oil production by removing oil reserves that previously could not be produced. In general, to determine the success of the Chemical EOR process, it is necessary to carry out a series of chemical screening tests to determine the suitability of the chemical used with the reservoir fluid and also with the reservoir rock. Therefore, it is necessary to carry out screening tests to see the effect of chemical injection in the Q field carbonate reservoir which has low permeability. In this research, what will be carried out is a chemical injectivity test in the form of 0.8% sulfonated surfactant and 800 ppm hydrolyzed polyacrylamide polymer with ATBS monomer to determine whether or not there is a decrease in rock permeability due to interactions with these chemicals. This decrease in permeability can be caused by blockages due to chemical injection. Using the Residual Resistance Factor (RRF) equation. Based on the testing results, the RRF value was 2.19 for the surfactant and 2.91 for the polymer. Which is the API standard for the recommended RRF value <3.

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