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ABSTRACT
The thermal methods consist of furnishing heat to the oil, reducing its viscosity. The electromagnetic heating for oil recovery is based on the transformation of electric energy into thermal energy. It happens through a direct interaction between the electromagnetic field and the electrically sensitive particles of the medium. The physical model applied to a reservoir is based on the principles of conservation of mass, conservation of energy, and conservation of movement in porous mediums, applied to the fluids and the solid phases. This study was based on reservoirs with characteristics similar to those found in the sedimentary basins of the Brazilian Northeast. The purpose of this work is to analyze the influence of the distinct cracking reactions and the coke formation of the different models during electromagnetic heating.
Abbreviations
| Ar = | = | Coefficient Arrhenius |
| Craq = | = | Cracking percentage of the pseudo components |
| Ea = | = | Activation energy |
| Asp = | = | Asphaltenes = C32–40+ |
| L1 = | = | Light ends = C1–3 |
| L2 = | = | Light ends = C4–5 |
| Mal (L) = | = | Maltenes (L) = Sat = Saturates = C6–12 |
| Mal (M) = | = | Maltenes (M) = Aro = Aromatics = C13–20 |
| Mal (P) = | = | Maltenes (P) = Res = Resins = C21–31 |
Funding
The authors wish to thank the PRH-PB 221 (Petrobras), Computer Modelling Group (CMG) and Laboratory for Advanced Studies in Petroleum (LEAP-UFRN), for the support provided for the accomplishment of this work.