Immature Crude Oil in Qintong Sag: Kerogen Character istics and Oil Sources Analysis

Xinjiang Petroleum Geology ›› 2007, Vol. 28 ›› Issue (1): 25-28.

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Immature Crude Oil in Qintong Sag: Kerogen Character istics and Oil Sources Analysis

HU Ying^1,2, ZHANG Zhi-huan¹, LUO Wei-feng³

1. Key Laboratory of Hydrocarbon Accumulation Mechanism, Ministry of Education, China University of Petroleum, Beijing 102249, China;
2. China National Oil and Gas Exploration and Development Corporation, CNPC, Beijing 100034, China;
3. Research Institute of Exploration and Development, East China Branch, Sinopec, Nanjing, Jiangsu 210011, China

Received:2006-03-28 Online:2007-02-01 Published:2020-07-29

Abstract

Abstract: The biomarker assemblage of immature crude oil from Qintong sag shows its multi-source complex characteristics. Higher plant and thallogen microbes are the most important hydrocarbon-generating kerogen of the oil, accounting for 40%~70% and 12%~40% of the total amount of hydrocarbon generation, respectively. Meanwhile, according to the source rocks in different horizons and the biomarker geochemistry, the main oil source of immature crude oil in this area is analyzed.

Key words: Qintong sag, immature oil, biomarker, oil-source correlation

CLC Number:

TE111.114

HU Ying, ZHANG Zhi-huan, LUO Wei-feng. Immature Crude Oil in Qintong Sag: Kerogen Character istics and Oil Sources Analysis[J]. Xinjiang Petroleum Geology, 2007, 28(1): 25-28.

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Immature Crude Oil in Qintong Sag: Kerogen Character istics and Oil Sources Analysis

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