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  1. No Access

    Article

    Formation mechanism of condensates, waxy and heavy oils in the southern margin of Junggar Basin, NW China

    It is a challenge to determine the source and genetic relationship of condensate, waxy and heavy oils in one given complicated petroliferous area, where developed multiple sets of source rocks with different m...

    Jian** Chen, Chun** Deng, XuLong Wang, YunYan Ni… in Science China Earth Sciences (2017)

  2. No Access

    Article

    Classification and origin of natural gases from Lishui Sag, the East China Sea Basin

    Natural gases discovered up to now in Lishui Sag, the East China Sea Basin, differ greatly in gaseous compositions, of which hydrocarbon gases amount to 2%–94% while non-hydrocarbon gases are dominated by CO2. Th...

    Jian** Chen, He** Ge, **aoDong Chen… in Science in China Series D: Earth Sciences (2008)

  3. No Access

    Article

    Fundamental geological elements for the occurrence of Chinese marine oil and gas accumulations

    The Paleozoic strata in the Tarim Basin, Sichuan Basin and Ordos Basin are the major targets for marine petroleum exploration, with developed high quality hydrocarbon, mainly argillite. The deep burial of thes...

    ShuiChang Zhang, DiGang Liang, GuangYou Zhu, **ngYang Zhang… in Chinese Science Bulletin (2007)

  4. No Access

    Article

    Molecular fossils and oil-source rock correlations in Tarim Basin, NW China

    The distribution of “molecular fossils” (biomarkers) of steroid compounds in extracts from some specific geologic age in the Tarim Basin have been analyzed and are used as the fingerprints for the oil-source r...

    Shuichang Zhang, Digang Liang, Maowen Li, Zhongyao **ao… in Chinese Science Bulletin (2002)

  5. No Access

    Article

    Hydrocarbon sources and stages of reservoir formation in Kuqa depression, Tarim Basin

    Kuqa depression bears not only plenty of natural gas, but also a large amount of condensate and small quantity of crude oil. Based on the geochemical correlation between the Jurassic and Triassic terrestrial h...

    Digang Liang, Shuichang Zhang, Mengjun Zhao, Feiyu Wang in Chinese Science Bulletin (2002)

  6. No Access

    Article

    Organic matter maturity and oil/gas prospects in Middle-Upper Proterozoic and Lower Paleozoic carbonate rocks in northern China

    Middle-Upper Proterozoic and Lower Paleozoic carbonate formations in northern China are well developed with an accumulative thickness of 6000–1400 m. Both seepages and oils have been found in the outcrops and ...

    Baoquan Liu, Digang Liang, Jie Fang, Rongfen Jia… in Chinese Journal of Geochemistry (1986)