Molecular and structural-group characteristics of hydrocarbons in Late Devonian oils of the Timan–Pechora Province

The paper presents gaz chromatography–mass spectrometry and 1 H- and 13 C-NMR data on the composition of hydrocarbon markers and structural-group composition of oils in the Timan–Pechora oil and gas province. The set of samples is subdivided into groups whose oils differ in composition and the distr...

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Bibliographic Details
Published in:Geochemistry international 2017-09, Vol.55 (9), p.802-813
Main Authors: Bushnev, D. A., Smirnov, M. B., Burdel’naya, N. S., Valyaeva, O. V.
Format: Article
Language:English
Subjects:
Biomarkers
Chromatography
Composition
Devonian
Earth and Environmental Science
Earth Sciences
Geochemistry
Hydrocarbons
Mass spectrometry
Mass spectroscopy
Molecular biology
Natural gas
NMR
Nuclear magnetic resonance
Oil
Oils & fats
Organic matter
Provinces
Scientific imaging
Spectroscopy
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Summary:The paper presents gaz chromatography–mass spectrometry and 1 H- and 13 C-NMR data on the composition of hydrocarbon markers and structural-group composition of oils in the Timan–Pechora oil and gas province. The set of samples is subdivided into groups whose oils differ in composition and the distribution of their polycyclic biomarkers. All of the oils show closely similar geochemical characteristics, types of their source organic matter, and thermal maturity. Comparison of oil characteristics (composition of the polycyclic biomarkers) and parameters determined by chromatography–mass spectrometry makes it possible to reveal certain important (and calling for further investigation) relations between the composition of the structural groups of hydrocarbons in the oil fluid and its geochemical characteristics.
ISSN:0016-7029
1556-1968
DOI:10.1134/S001670291708002X