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塔里木盆地海相碳酸盐岩沥青"A"的地球化学特征
引用本文:孙敏卓,龙国徽,孟仟祥,郑建京,王国仓,房嬛,王作栋.塔里木盆地海相碳酸盐岩沥青"A"的地球化学特征[J].岩矿测试,2011,30(5):623-630.
作者姓名:孙敏卓  龙国徽  孟仟祥  郑建京  王国仓  房嬛  王作栋
作者单位:中国科学院油气资源研究重点实验室;中国石油青海油田勘探开发研究院;中国科学院研究生院;
基金项目:国家重点基础研究发展规划项目(2007CB209501); 国家重大科技专项(2008zx05005-01); 国家自然科学基金项目(40703001)
摘    要:塔里木盆地采集的海相碳酸盐岩样品经粉碎后在索氏抽提器中用氯仿溶液抽提,正己烷沉淀沥青质后,可溶有机质进行柱色层族组成分离,获得饱和烃、芳烃、非烃,饱和烃和芳烃直接进行气相色谱-质谱分析,非烃经三氟化硼-甲醇混合液酯化后进行气相色谱-质谱分析。结果显示,样品有机质的演化程度高,母质类型以水生生物为主,台地相成烃古环境为富含单质硫的微生物发育的咸化深水还原环境。样品有机质经历过强烈的环化-芳构化过程和去甲基化过程有利于以甲烷为主的天然气的生成。样品的芳烃馏分中检测到C31-16-one、C33-16-one和C35-18-one长链中位酮化合物,推断这些长链中位酮可能是有机酸盐存在的特征生物标识化合物。

关 键 词:海相酸盐岩  饱和烃  芳烃  长链中位酮  气相色谱-质谱法
收稿时间:2010/11/18 0:00:00
修稿时间:2011/2/22 0:00:00

Geochemical Characteristics of Bitumen "A" in Marine Carbonate Rock from the Tarim Basin
SUN Min-zhuo,LONG Guo-hui,MENG Qian-xiang,ZHENG Jian-jing,WANG Guo-cang,FANG Xuan and WANG Zuo-dong.Geochemical Characteristics of Bitumen "A" in Marine Carbonate Rock from the Tarim Basin[J].Rock and Mineral Analysis,2011,30(5):623-630.
Authors:SUN Min-zhuo  LONG Guo-hui  MENG Qian-xiang  ZHENG Jian-jing  WANG Guo-cang  FANG Xuan and WANG Zuo-dong
Institution:SUN Min-zhuo1,LONG Guo-hui2,MENG Qian-xiang1,ZHENG Jian-jing1,WANG Guo-cang1,3,FANG Xuan1,WANG Zuo-dong1(1.Key Laboratory of Petroleum Resources Research,Institute of Geology and Geophysics,Chinese Academy of Sciences,Lanzhou 730000,China,2.Petrolchina Qinhai Oilfield Research Institute of Exploration & Development,Dunhuang 736202,3.Graduate School of Chinese Academy of Sciences,Beijing 100039,China)
Abstract:The marine carbonate rocks were crushed in to powder before taking chloroform solvent extraction by the Soxhlet apparatus.The soluble organic components were separated by column chromatography to yield saturated hydrocarbon,aromatic hydrocarbon and non-hydrocarbon after the asphaltene was precipitated by hexane.The saturated hydrocarbon and aromatic hydrocarbon were directly measured by Gas Chromatography-Mass Spectrometry(GC-MS).The non-hydrocarbon was esterified by BCl3-CH3OH mixed solution before taking ...
Keywords:marine carbonate rock  saturated hydrocarbon  aromatic hydrocarbon  long mid-chain ketone  gas chromatography-mass spectrometry  
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