北部湾盆地海中凹陷凝析油气成因及烃源探讨

Condensate Geneses in Haizhong Sag in Beibuwan Basin and a Discussion on Hydrocarbon Source

本文从多方面论证了北部湾盆地海中凹陷凝析油属煤成烃,进而剖析和探讨了凝析油气的成因类型与烃源关系,并对其凝点序进行了讨论,指出了富含树脂体及其它壳质成分的涠洲组含煤岩系是本区低熟-成熟富陆源倍半萜类煤型凝析油气的烃源岩。

It is expounded in many aspects that the condensate in Haizhong Sag in Beibuwan Basin belongs to coal formed hydrocarbon in this paper, the genesis type of it and the relation to hydrocarbon source are analysed. That the coal-contained rocks in Weizhou formation with rich resinite and other exinite components are the source rocks with coal type condensate of low mature-mature enrichment terrige- nous sesquiterpenoid in the district is pointed out.