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Differentiation of Oils in Tatarstan Based on the Composition of Monoaromatic Steranes
Two types of oils are distinguished in Tatarstan based on the composition and content of monoaromatic steranes (MAS) in 42 oil samples from...
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Concentration Levels, Spatial Distribution and Source Identification of PAHs, n-Alkanes, Hopanes and Steranes in Deposited Dust of Mashhad, Iran, and Potential Health Risk Assessment
This study investigated the carcinogenic contamination level of deposited dust (DD) on the roof near heating, ventilation, and air conditioning...
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Distribution difference and significance of short-chain steranes in humic coal and coal-measure mudstone of Triassic Xujiahe formation in Sichuan Basin, SW China
In order to discover formation causes of short-chain steranes in coal-measure source rock of the research area, 62 samples of Triassic Xujiahe...
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Inhibitory mechanism of isomerization of regular steranes in geological bodies
The organic geochemistry of 56 source rock samples from Qaidam Basin, Subei Basin, and Sichuan Basin was analyzed. The results show that the...
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On the Formation of Diasteranes in Oil and Organic Matter of Rocks
AbstractData obtained on the distribution patterns of biomarker hydrocarbons ( n -alkanes, isoprenanes, steranes, and terpanes) in oils, organic...
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Investigation of Organic Matter Sources and Depositional Environment Changes for Terrestrial Shale Succession from the Yuka Depression: Implications from Organic Geochemistry and Petrological Analyses
Continental organic-rich shales are well developed in the Dameigou Formation within the Yuka Depression of the Qaidam Basin. Here, the Rock-Eval...
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Maturity effects on steranes of source rocks in Lishu fault depression, Songliao Basin
Geochemical analysis results of 30 source rock samples from Lishu fault depression in Songliao Basin show that samples are compositionally similar...
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The Maturity of Hydrocarbon Fluids in the PS Reservoirs and Deep-Stratigraphic Confining of Their Formation Sources
The study of organic matter and oil on a level of molecular fossils (biomarkers) made it possible to carry out “oil-oil” and “oil-source...
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Geochemical characteristics and significances of C19-C26 short-chain steranes in crude oils from the Western Qaidam Basin, China
Based on biomarker analysis of crude oils from Western Qaidam Basin, the geochemical characteristics and significances of C 19 -C 26 short-chain...
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Geochemistry of Hydrocarbons-Biomarkers and Carbon Isotopes of Organic Matter in the Domanik Deposits of the Timan–Pechora Basin
Abstract —It has been established that the average values of some hydrocarbons biomarker coefficients of bitumens from the Domanik deposits and oils...
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Hydrocarbons in the Littoral Sediments and March Soils of the Southwestern Coast of the Barents Sea
Abstract —The genesis, facies conditions of sedimentation, degree of organic matter transformation in the bottom sediments and march soils of the...
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Geochemical characteristics and oil–oil correlation of the upper Cretaceous oils from the Iranian part of the Persian Gulf Basin
The Cenomanian Sarvak oil reservoirs are distributed over large areas of the Persian Gulf basin. The purpose of this study is analyzing the...
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Organic geochemical evaluation of crude oils from some producing fields in the Niger Delta basin, Nigeria
Geochemical and biomarker characteristics of representative crude oil samples from selected fields in southern Nigeria were evaluated to determine...
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The Geochemical Characteristics and Oil Source Correlation of Chang 8 Crude Oil in Huanxi Area, Ordos Basin
In recent years, breakthroughs have been made in the Chang-8 member of the western part of the Tianhuan Depression in the Ordos Basin. The unclear...
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Molecular fossils within bitumens and kerogens from the ~ 1 Ga Lakhanda Lagerstätte (Siberia, Russia) and their significance for understanding early eukaryote evolution
The emergence and diversification of eukaryotes during the Proterozoic is one of the most fundamental evolutionary developments in Earth’s history....
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Molecular Geochemistry of the Mamu Formation Sediments in Anambra Basin, Nigeria
Mamu Formation sediments that were encountered at depth range of 1015–1185 m in the Akukwa-II well from the Anambra basin were described and...
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Forensic Fingerprinting of Biomarkers for the Geochemical Characterization of Oil Spills and Soil Contamination in the Coastal Area of Bizerte, Tunisia
This research deals with oil contamination of the surface sediments of the various sites in the southwest of the Mediterranean Sea distributed over...
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Aliphatic biomarker signatures of early Oligocene—early Miocene source rocks in the central Qiongdongnan Basin: Source analyses of organic matter
The geochemical signatures of fifty-four rock samples and three supplementary drill stem test (DST) oils from the Yacheng-Sanya formations in the...
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The Mahogany Zone, Uinta Basin, USA: insights from the organic matter evolution of oil shale, Green River Formation source, maturity, and deposition
In this work, the organic matter content present in core samples from the Mahogany Zone of the Green River Formation was examined in order to better...
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Accumulation model and geochemistry characteristics of oil occurring from Jurassic coal measures in the Huangling mining area of the Ordos Basin, China
The Ordos Basin is an important intracontinental sedimentary basin in China, containing a significant amount of coal, oil, and natural gas. This...