收稿日期: 2014-12-22
修回日期: 2015-03-11
网络出版日期: 2015-09-10
基金资助
国家自然科学基金项目(编号:41272139)；山东省自然科学杰出青年基金项目(编号:JQ201311)；山东科技大学科技计划项目(编号:2012KYJQ101)联合资助.
Comparison of C5-C7 Light Hydrocarbons in Halahatang Ordovi-cian Oil Analyzed by Comprehensive 2-D and Conventional Gas Chromatography
Received date: 2014-12-22
Revised date: 2015-03-11
Online published: 2015-09-10
王亚鹏，常象春，程斌，师生宝 . 塔里木盆地哈拉哈塘凹陷奥陶系原油C5—C7轻烃全二维气相色谱与常规色谱对比分析[J]. 天然气地球科学, 2015 , 26(9) : 1814 -1822 . DOI: 10.11764/j.issn.1672-1926.2015.09.1814
Eleven Ordovician oil samples from Halahatang Depression were investigated by 2-D gas chromatography(GC×GC)and conventional gas chromatography to contrast their C5-C7 light hydrocarbons compositions.The results indicate that Halahatang oils are typical mature-high mature marine oils,deposited in a brackish-salty reducing environment with similar source input.The C6 light hydrocarbon and Mango parameters obtained from the conventional gas chromatography correlate well with those from the GC×GC,however,the C7 light hydrocarbon from the GC×GC is characterized by lower heptane and isoheptane values,decrease of paraffin and increase of cycloalkane abundance.Due to no need for pretreatment,oil direct injection for the GC×GC can provide more real information associated with its higher separation.
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