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《Acta Sedimentologica Sinica》 2006-01
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Geochemical Characteristics of Carbazole Compounds in Lacustrine Oilsin Huqing Oilfield

LIU Jun-hai~(1)CHEN Xiao-hong~(1)YANG Xiang-hua~(2)LV Xin-hua~(3)(1.China University of Petroleum,Beijing 102249;2.China University of Geosciences,Wuhan 430074;3.Zhongyuan Oilfield Company,SINOPEC,Puyang,Henan457001)  
The maturity of lacustrine oils in Huqing oilfield is low,and the role of biodegradation is poor.Rich carbazole compounds,including carbazole,alkylcarbazole and benzocarbazoles were detected by GC/MS in lacustrine oils from Huqing oilfield.The results indicate the maturity plays an important role on the concentration of carbazole compounds and its relative contents,and the biodegradation plays weak role on the carbazole compounds.The concentration of carbazole compounds,the ratio of alkylcarbazole/benzocarbazole and the benzocarbazole ratio are not suitable to be the indicator of the oil migration,which are mainly controlledby the maturity of lacustrine oils,and the isomer ratio of dimethycarbazole is still a good parameter of the oil migration.
【CateGory Index】: P593;P618.13
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