ESTONIAN ACADEMY
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Oil Shale cover
Oil Shale
ISSN 1736-7492 (Electronic)
ISSN 0208-189X (Print)
Impact Factor (2021): 1.442
COMPOSITION OF THE ORGANIC CONSTITUENTS OF DAHUANGSHAN OIL SHALE AT THE NORTHERN FOOT OF BOGDA MOUNTAIN, CHINA; pp. 115–127
PDF | doi: 10.3176/oil.2012.2.03

Authors
SHU TAO, YANBIN WANG, DA-ZHEN TANG, HAO XU, BIAO ZHANG, WEI HE, CHAO LIU
Abstract

Modern analytical methods of organic petrology and organic geochemistry were used to carry out different tests like, Rock-Eval pyrolysis, Gray-King low-temperature dry distillation, and gas chromatography mass spectrometry (GC/MS) to analyse Dahuangshan oil shale. This paper also studies the abundance, the type and maturity of the organic matter, the con­tent of total organic carbon (TOC), and hydrocarbon generating tendency of Dahuangshan oil shale. Chloroform bitumen A and its group composition were also studied. The results show that Dahuangshan oil shale is rich in organic matter and dominated by Type II1 kerogen, which has high oil generat­ing potential. However, the degree of transformation of hydrocarbons into oil and gas is low. Group composition of chloroform bitumen A shows high content of saturated hydrocarbons and heavy components, but the con­tent of aromatic hydrocarbons is relatively low. The composition and dis­tribu­tion of saturated hydrocarbons’ fractions show that the sedimentary environ­ment of Dahuangshan oil shale was moderately brackish.

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