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All Journal Journal of Geoscience, Engineering, Environment, and Technology
Naibaho, Frans Nicolas P.
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Earth & Planetary Sciences Engineering Environmental Science Physics

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Analysis of the Effect of Cationic and Anionic Surfactants and Polymer Additives on the Water-Oil Interface in Enhanced Oil Recovery: A Molecular Dynamics Naibaho, Frans Nicolas P.; Ar-Raihan, Muhammad Hasbi; Adharis, Azis; Ratri, Paramita Jaya; Mayangsari, Tirta Rona
Journal of Geoscience, Engineering, Environment, and Technology Special Issue from The 2nd International Conference on Upstream Energy Technology and Digitalization
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2025.10.1.1.24610

Abstract

The high demand for petroleum requires a more efficient production process. Enhanced Oil Recovery (EOR) technology with chemical injection methods can optimize oil production in reservoirs. To understand the properties of these chemicals, analysis at the atomic level is necessary. This research utilizes molecular dynamics simulations using the Large-scale Atomic/Molecular Massively Parallel Simulator (LAMMPS) to analyze diffusion coefficients and Interface Formation Energy (IFE) values. Surfactants such as Dodecyl Trimethylammonium Bromide (DTAB), Sodium Dodecyl Sulfate (SDS), and Polyacrylic Acid (PAA) polymer are studied. Results indicate that DTAB, SDS, and PAA stabilize the water-oil system, shown by lower IFE values: -48.53, -178.33, and -231.78 kcal/mol, respectively. DTAB increases the diffusion coefficient of dodecane from 0.01 Ų/ps to 0.039 Ų/ps. SDS and PAA increase water diffusion coefficients from 0.0094 Ų/ps to 0.0097 Ų/ps (with SDS) and 0.0179 Ų/ps (with PAA).
Co-Authors Adharis, Azis Ar-Raihan, Muhammad Hasbi Mayangsari, Tirta Rona Ratri, Paramita Jaya