期刊
ACTA GEOCHIMICA
卷 30, 期 3, 页码 359-365出版社
SPRINGER INTERNATIONAL PUBLISHING AG
DOI: 10.1007/s11631-011-0520-8
关键词
Tarim Basin; Markit Slope; Bashituo oilfield; Hetian River gasfield; genetic type
Based on the chromatograms of oils and saturated hydrocarbons, biomarkers and stable carbon isotope analyses, the geochemical characteristics and oil family Classification of crude oils from the Markit Slope in the southwest of the Tarim Basin were investigated. The results showed that crude oils from the Markit Slope are divided into two oil family Classification. Oils collected from the Bashituo oilfield in the western part of the Markit Slope are characterized by high contents of tricyclic terpanes, pregnane, and homopregnane, low contents of garmmacerane (G/H<0.20), dibenzofuran, and methyl cyclohexane, and light stable carbon isotopic values (the delta C-13 values of saturated hydrocarbons and aromatic components are less than -34% and -32%, respectively), with the distribution type of steranes being C-27>>C-28 -32% and -30.6%, respectively), with the distribution type of steranes being C-27>C-28<
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