The Organic Geochemical Characteristcs Comparison and Contributors of Different Existing State Organic Matter in Carbonate Rocks
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摘要: 碳酸盐沉积物特殊的成岩机理和过程决定了有机质的复杂赋存状态,在碳酸盐岩中,除分散有机质外,还存在包裹体有机质。在包裹体有机质的提取过程中,当用6%(质量分数)的盐酸酸解碳酸盐矿物时,又将包裹体中的一部分有机质分离出(部分呈悬浮状态),本文定义为酸溶有机质I。对这三部分可溶有机质的含量、红外光谱、GC、GC—MS等分析表明它们的特征是不同的,并且分散有机质和包裹有机质在不同演化阶段对成烃的贡献不同。这为评价碳酸盐岩生烃潜力以及研究碳酸盐岩生烃机制和过程奠定了基础。Abstract: The existing state of organic matter in carbonate rocks not only has dissemination state, but also has inclusion state. The acid liquid soluble organic matter I is also divided while extracting the inclusion organic matter. The analysis of the quantity, IR spectrocopy, GC and GC－MS among the bitumen A, Bitumen C and acid liquid soluble organic matter show that their characteristics are not the same. The results play an important role for evaluating the hydrocarbon producion potential and discussing the hydrocarbon generating mechanism and process of carbonate rocks
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