Abstract
AbstractA study was conducted to determine the effect of polymer additives on the rheological properties of heavy oil, which reduce the viscosity of the oil. To study the rheological properties, we used high-viscosity oil from the Yablunivskoye field (Ukraine, Poltava region) from two wells. To improve the rheological properties of the oil, polymer additives were added and the dynamic viscosity and shear stress were determined by comparison with the properties of pure oils. To improve the rheological properties, polyethylene glycol, polypropylene glycol, and demulsifier brand PM were used. The dynamic viscosity and shear stress of the samples from both wells were investigated at different temperatures. After adding the polymer additives, the measurement was performed again. The addition of polymer additives PEG, PPG, copolymers of ethylene oxide, and propylene to highly viscous oils significantly reduces the viscosity and shear stress and reduces energy consumption during oil production and transportation. To reduce the viscosity of oil and oil production, it is necessary to enter the solvent in the amount of 20–30%. The residue after distillation will be high-quality residual bitumen.KeywordsHeavy oilPolymersReduction of oil viscosityRheological propertiesOil transportationKinematic viscosityShear stressPhysicochemical properties of oil
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