本文提出了江汉盆地重质油的成因除具有成熟原油遭受水洗氧化作用、生物降解作用或运移中脱沥青作用外，还发现有的确系原生重质油，与膏盐环境偏腐泥型的不成熟生油岩有关。

This paper suggests that the heavy oil is originated not only from water washing oxygenated mature oil, bio-degration or deasphalt process of this oil during immigration, but also from sub-humic ty…

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