北部湾盆地海中凹陷成藏关键要素及成藏模式
Offshore Oil(2023)
Abstract
海中凹陷经几十年勘探虽点上有发现,但因成藏关键要素不明勘探陷入了停滞.该文为寻求其勘探规模突破方向,在成凹、成烃研究的基础上,深化成藏关键要素研究,建立了海中凹陷成藏模式,指出了规模突破的勘探有利区带.研究认为:海中凹陷油气成藏关键要素是近生烃中心、圈源时空匹配佳、油气输导条件好、优质储层发育.北部陡坡带是各成藏关键要素匹配最佳区,是海中最有利的勘探区带.研究成果为寻求海中凹陷规模油气突破指明了方向.
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Key words
Haizhong Sag,time and space matching of trap and source,favorable reservoir,hydrocarbon accumulation mode,favorable exploration zone
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