The analysis of the spatial distribution of difficult-to-recoveroilsofTomskregion.Comparative analysis of physico-chemical properties of heavy, viscous, paraffinicandhighly resinous oils showed that deposits of
paraffinicoilsareeverywhereonthe
territory of the Tomsk region. Most of the heavy, viscous, paraffinicandhighlyresinousoils Tomsk region lie in the middle and upper Jurassic strata of the depth of 2500 - 3000 m, paraffinoildifferin thattheyarenotfoundin small and medium depths of up to 1500 m, but there are in deposits of up to 4000 m. Analysis and comparison of physical and chemical properties heavy, viscous, paraffinicand highly resinous oils of Tomsk region found that paraffinoilhavethedistinguishedcharacteristics - the density and viscosity of the lowest, the lowest content of sulfur, resins and asphaltenes, coke, hydrogen and oxygen, content of diesel fractions high, pour point negative.
