GEOCHEMISTRY OF OIL AND IDENTIFICATION OF SOURCE ROCKS IN THE DINAN ARCH-FUBEI SLOPE AREA OF JUNGGAR BASIN

PAN Hong; LIN Xiaoyun; GONG Liuping; QIAO Cheng; XU Honglong

doi:10.16562/j.cnki.0256-1492.2015.04.017

2015 Vol. 35, No. 4

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Article navigation > Marine Geology & Quaternary Geology > 2015 > 35(4): 155-161

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PAN Hong, LIN Xiaoyun, GONG Liuping, QIAO Cheng, XU Honglong. GEOCHEMISTRY OF OIL AND IDENTIFICATION OF SOURCE ROCKS IN THE DINAN ARCH-FUBEI SLOPE AREA OF JUNGGAR BASIN[J]. Marine Geology & Quaternary Geology, 2015, 35(4): 155-161. doi: 10.16562/j.cnki.0256-1492.2015.04.017

Citation:

PAN Hong, LIN Xiaoyun, GONG Liuping, QIAO Cheng, XU Honglong. GEOCHEMISTRY OF OIL AND IDENTIFICATION OF SOURCE ROCKS IN THE DINAN ARCH-FUBEI SLOPE AREA OF JUNGGAR BASIN[J]. Marine Geology & Quaternary Geology, 2015, 35(4): 155-161. doi: 10.16562/j.cnki.0256-1492.2015.04.017

GEOCHEMISTRY OF OIL AND IDENTIFICATION OF SOURCE ROCKS IN THE DINAN ARCH-FUBEI SLOPE AREA OF JUNGGAR BASIN

1. Key Laboratory of Oil and Gas Resources & Exploration Technologies(Yangtze University), Wuhan 430100, China;
2. Xinjiang Oilfield Company, PetroChina, Karamay 834000, China

Received Date: 12 July 2014

Revised Date: 23 October 2014

Abstract

Abstract

The Dinan Arch and Fubei Slope are located in the east of the central uplift belt of the Junggar Basin. There are several hydrocarbon depressions and four kinds of source rocks, which make the oil-source rather complicated. In order to make correlation between the source rock and the oil, several geochemical indicators are used for subdivision of the oil into three categories. The A type of oil has light carbon isotope, phytane preponderance and high gammacerane, indicating a lacustrine origin with blood relation to the Permian source rock; the B type of oil has heavier carbon isotope, pristine preponderance and less gammacerane, suggesting that the proto kerogen was formed in a sedimentary environment of strong oxidation. The oil is believed coming from the Jurassic source rock; the C type of oil shows the features in between and is supposed to come from both the Permian and Jurassic source rocks.
- oil-source rock correlation /
- carbon isotope /
- gammacerane /
- Dinan Arch-Fubei Slope Area

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References

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