Tugeerming area is located in the eastern part of the Kuqa Depression，Tarim Basin.In recent years，prolific oil and gas flow in Jurassic Yangxia Formation of Well Tudong 2 indicates broad prospects of exploration in this area.This paper carries out the oil-gas and source correlation in the Tugeerming area.The results are as follows.The biomarker characteristics of the crude oil of the Yangxia Formation of the Tugereming Jurassic group showed that the hydrocarbon precursor type was a typical freshwater source of terrestrial organic matters，Yangxia Formation.The natural gas of the group is coal-type condensate with associated gas.The maturity of the natural gas is the same as that of the crude oil and both of them are derived from the same hydrocarbon source rocks.In this paper，the biomarker comparison technique，n-alkane carbon isotope comparison technique，kerogen carbon isotope-crude carbon isotope comparison technology system was used to study the Jurassic Yangxia Formation oil in the Tugereming area and the hydrocarbon source rocks of Jurassic and Triassic in the area.The differences between the source rocks are comprehensive.The results show that there is a maternal relationship between the Yangxia Formation crude oil and the Jurassic Yangxia Formation and Kezilenur Formation source rocks，which provides an important reference for the evaluation of oil and gas resources in this area.
Liu Ru-hong, Li Jian, Xiao Zhong-yao, Li Jin, Zhang Hai-zu, Lu Yu-hong, Zhang Bao-shou, Ma Wei, Li De-jiang, Liu Man-cang
. Geochemical characteristics and implication for gas and oil source correlation in the Tugeerming area of the Kuqa Depression，Tarim Basin[J]. Natural Gas Geoscience, 2019
, 30(4)
: 574
-581
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DOI: 10.11764/j.issn.1672-1926.2018.12.019
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