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高分子量烃在海洋油气地球化学探测中的应用 被引量:1

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摘要 高分子量烃主要包括饱和烃和不饱和烃两大类,是石油的主要组成部分。用于海底沉积物高分子量烃测量的主要方法有全萃取气相色谱、全扫描荧光和气相色谱/质谱或气相色谱/质谱/质谱等。全萃取气相色谱能够给出总萃取有机物、不溶复杂化合物、总链烃的量,指示热成因和新近有机物的贡献;全扫描荧光能够给出最大荧光强度、最大发射波长、最大激发波长、R值和指纹图形状等信息,不仅能够指示热成因烃和新近有机物的贡献,而且能够指示油气属性和含油气性;气相色谱/质谱或气相色谱/质谱/质谱测量海底沉积物中生物标志物组成特征,识别海底烃类渗漏的存在,给出渗漏烃源区源岩特征、热成熟度、成烃时代以及油质等信息。
出处 《海洋地质动态》 2007年第11期35-41,共7页 Marine Geology Letters
基金 南黄海选定海域油气地球化学探测项目.
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