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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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川西地区侏罗系气藏气源研究
, PP. 36-41
Keywords: 四川盆地,西,侏罗系,气藏,次生气藏,气源,轻烃,碳同位素,天然气
Abstract:
？川西地区侏罗系为一套巨厚红层,不具备生烃条件,但发现了分布广泛、储量丰富的侏罗系气藏。通过凝析油和生油岩c4～c7轻烃、天然气组分、天然气碳同位素等进行油-源、油-油和气-气对比得出:川西地区主要的侏罗系气藏的气源多来自下伏须五煤系地层;大兴西侏罗系次生气藏的气源却来自遭断层破坏的须二气藏。
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