%0 Journal Article %T SURFACTANTS INCREASING OIL RECOVERY FROM DEPOSITS OF HIGH-VISCOSITY OILS %A Antonova, M.Y. %A Gaffanova, R.I. %A Davletshin, A.R. %A Telyashev, R.G. %K HIGH-VISCOSITY OILS, STEAM-THERMAL EFFECT, OIL DISPERSED SYSTEM, PHASE TRANSITIONS, ASPHALTENES, COMPLEX STRUCTURAL UNIT, SARA, IR SPECTROSCOPY, GAS CHROMATOGRAPHY %J Herald of Technological University %D 2025 %N 27 %P 6 %I Kazan National Research Technological University