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Study on Hydrocarbon-producing Potential of Carbonate Rocks in Ordovician of Lower Paleozoic in Odros Basin
Author(s): 
Pages: 702-706
Year: Issue:  4
Journal: ACTA SEDIMENTOLOGICA SINICA

Keyword:  鄂尔多斯盆地碳酸盐岩产率比法元素平衡法生烃能力;
Abstract: 产率比是有机质在某一成熟度下的气态烃类产物的产率与其最终气态烃产率的百分比,对相同类型有机质的不同阶段的产率比进行分析可建立该类型有机质的产率比与成熟度的关系.元素平衡法是指有机质及其生成物、残留物间存在的一种物质平衡关系.应用产率比法和元素平衡法对鄂尔多斯盆地下古生界奥陶系碳酸盐岩的生烃能力进行了讨论,指出下古生界奥陶系泥质碳酸盐岩具有一定的生烃能力,其气态烃最终产率可达420~430 m3/T*有机碳,相当于Ⅱ型干酪根的生烃能力;纯碳酸盐岩的生烃能力相对较低,气态烃产率只有120 m3/T*有机碳.
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