Journal
JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING
Volume 49, Issue -, Pages 123-131Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jngse.2017.10.014
Keywords
Stable isotope; Light hydrocarbon; Sources of natural gas; Continental natural gas; Sichuan basin
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Funding
- National Natural Science Foundation Project [41472110]
- Key Project of the Chinese National Programmes for Fundamental Research and Development (973 Programme) [2011CB201102]
- Training foundation for the Science and Technology New Star and Leading Talent of Beijing [Z171100001117163]
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The molecular compositions and stable carbon and hydrogen isotopes of natural gases of Jurassic and Upper Triassic strata in western Sichuan Basin were investigated to assess the origin, maturity, sources. Then the results were compared with those of central Sichuan Basin. Results show that the natural gas in Western Sichuan basin is wet gas and the dry coefficient is higher than that of central Sichuan basin. The stable carbon and hydrogen isotopes represent a positive carbon isotopic series of alkanes (i.e. delta C-13(1)
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