Specific features of catagenetically transformed oil shales on an example of organogenous rocks of East Siberia and the Arctic
- Institute of Chemistry, Estonian Academy of Sciences, Akadeemia tee 15, Tallinn 200108 (SU)
Little known organic rocks of sapropelic origin from East Siberia and the Arctic have been investigated; these caustobioliths are characterized by a high degree of maturation. The content of organic solvent-soluble compounds (bitumens) in the organic matter of the shales is determined by the competitive processes of their formation and emigration. Differences between the composition of bitumen and semicoking oil diminish with increasing maturity of the shale. In the bitumens of the highly transformed shales investigated little altered compounds of biological origin were identified. It is probable that the bulk of these bitumens has been formed later, after the high-temperature stage, a result of microbial activity on the basis of kerogen as substrate and other hypergenetic factors. With increasing degree of shale thermal transformation of the hydrocarbon part of its semicoking oil and gas becomes more saturated.
- OSTI ID:
- 6504012
- Report Number(s):
- CONF-8904193--
- Journal Information:
- Oil Shale Symposium Proceedings; (USA), Journal Name: Oil Shale Symposium Proceedings; (USA) Vol. 22; ISSN OSSPD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
023000 -- Petroleum-- Properties & Composition
03 NATURAL GAS
033000 -- Natural Gas-- Properties & Composition
04 OIL SHALES AND TAR SANDS
040500* -- Oil Shales & Tar Sands-- Properties & Composition
ARCTIC REGIONS
ASIA
BITUMENS
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
CHEMICAL COMPOSITION
EASTERN EUROPE
ENERGY SOURCES
EUROPE
FOSSIL FUELS
FUELS
GAS SATURATION
HYDROCARBONS
KEROGEN
MATERIALS
OIL SATURATION
OIL SHALES
ORGANIC COMPOUNDS
ORGANIC MATTER
OTHER ORGANIC COMPOUNDS
POLAR REGIONS
SATURATION
SIBERIA
TAR
TEMPERATURE EFFECTS
USSR