沾化凹陷渤南洼陷沙四段烃源岩有机相

Natural Gas Geoscience(2006)

Cited 7|Views25
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Abstract
渤南洼陷是济阳坳陷深层勘探的有利地区,主要目的层系为下第三系的沙四段,目前勘探程度相对较低。对渤南洼陷深层烃源岩样品进行了有机质丰度、类型和演化程度分析,结果表明渤南洼陷沙四段烃源岩有机质丰度高,类型以I-II1型为主,处于成熟-高成熟演化阶段。通过对渤深5井、渤深4井的沙四段烃源岩和沉积相资料的分析,认为渤南地区沙四段烃源岩有机相主要为混源相和藻源相。
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Key words
Jiyang depression,Organic facies.,The fourth member of Shahejie formation,Source bed
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