Hydrocarbon Accumulation Assemblage and Evolution in Huomatu Structural Belt in Southern Margin of Jungar Basin

›› 2013, Vol. 34 ›› Issue (2): 1-1.

Hydrocarbon Accumulation Assemblage and Evolution in Huomatu Structural Belt in Southern Margin of Jungar Basin

LEI Dewen1, ZHANG Jian2, BAI Zhenhua3, FANG Shihu4, ZHAN Yantao4, WEI Lingyun2

(1. Research Institute of Exploration and Development, Xinjiang Oilfield Company, PetroChina, Karamay, Xinjiang 834000, China; 2.Institute of Geophysics, Research Institute of Exploration and Development, Xinjiang Oilfield Company, PetroChina, Urumqi, Xinjiang 830013, China; 3.School of Geosciences, China University of Petroleum, Beijing 102249, China; 4.Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, China)

Online:2019-01-01 Published:1905-07-10

Abstract

Abstract: In this paper, the techniques such as oil?gas maturity parameters characterization, inclusion microstructure observation, reservoir bitumen testing and grain fluorescence are used to analyze oil and gas charging sequence and history in Huomatu structural belt. The study suggests that the oil in Huomatu structural belt comes from the source rocks of Tugulu group of Lower Cretaceous, whereas the gas from the coal?measure source rocks of Jurassic. There are two main stages of hydrocarbon accumulation in Huomatu structural belt: the first stage is about 10 Ma ago, dominated by charging of low maturity oil; the second stage is about 3 Ma ago, dominated by gas charging and accompanied with higher maturity oil. Such an early oil and late gas charging and evolution pattern suffers late adjustment and reconstruction, with gas?invaded fractionation locally

CLC Number:

TE112.41

LEI Dewen1, ZHANG Jian2, BAI Zhenhua3, FANG Shihu4, ZHAN Yantao4, WEI Lingyun2 . Hydrocarbon Accumulation Assemblage and Evolution in Huomatu Structural Belt in Southern Margin of Jungar Basin[J]. , 2013, 34(2): 1-1.

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Hydrocarbon Accumulation Assemblage and Evolution in Huomatu Structural Belt in Southern Margin of Jungar Basin

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