Composition of asphaltenes and resins of west Siberian petroleums
ESR and X-ray diffraction analysis was used to examine asphaltene and resin samples of West Siberia. Experiments were carried out to simulate the effect of catagenesis on resin and asphaltene composition. Processes of thermocatalytic transformations of crude oil in the deposit were found to have no marked effect on asphaltene and resin composition. Transformation of the organic input at sedimentation was assumed to be the main factor determining the qualitative and quantitative composition of crude oil resins and asphaltenes of West Siberia. Petroleums formed from organic matter, accumulating under reducing conditions, contain more asphaltenes and resins, they include much tetravalent vanadium and the asphaltenes have abundant paramagnetic centres. Petroleums formed from oxidized organic matter contain very little asphaltene low concentrations of paramagnetic centers, and little tetravalent vanadium. Resins of these petroleums are rich in oxygen. High levels of asphalt-resin matter in petroleums is related to the presence in the initial organic progenitors of polyunsaturated fatty acids and various nitrogen- and sulfur-containing compounds.
- OSTI ID:
- 6677958
- Journal Information:
- Pet. Chem. USSR (Engl. Transl.); (United States), Vol. 25:2; Other Information: Translated from Neftekhimiya; 25: No. 2, 333-342(1985)
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ASPHALTENES
CHEMICAL COMPOSITION
PETROLEUM RESIDUES
RESINS
BITUMENS
CATALYSIS
ELECTRON SPIN RESONANCE
EXPERIMENTAL DATA
SIBERIA
X-RAY DIFFRACTION
ASIA
ASPHALTS
COHERENT SCATTERING
DATA
DIFFRACTION
EASTERN EUROPE
ENERGY SOURCES
EUROPE
FOSSIL FUELS
FUELS
INFORMATION
MAGNETIC RESONANCE
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC POLYMERS
OTHER ORGANIC COMPOUNDS
PETROCHEMICALS
PETROLEUM
PETROLEUM FRACTIONS
PETROLEUM PRODUCTS
POLYMERS
RESONANCE
SCATTERING
TAR
USSR
023000* - Petroleum- Properties & Composition