Investigation on Pyrolytic N itrogen Compounds in the Qun-4 Well Oil of the Tarim Basin
- Received Date: 1996-10-01
- Publish Date: 1997-04-10
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Key words:
- Tarim basin /
- pyrolytic nitrogen compound /
- oil migration
Abstract: A number of pyrolytic nitrogen com pounds(alkylcarbazoles) were suc cessfully fractionated and de-tected from the Qun-4 well oil of the Tarim basin. And alkylbener carbazoles and alkyldibenzo carbawles, however, were not found in the oil. Of the alkylcarbazoles, dimethylcarbawle,C3一car-bazole and C4一carbazole are dominant with the largest amount for dimethylcarbazole. The other alkyl-carbawle compounds detected are methylcarbazole, C5一carbazole, C6一carbazole, C7一 carbazole and carbazole in the amount order. Several isomers were further identified in methylcarbazoles and dimethyl-carbawles. The amounts of G2 and G3 components are equal in methylcarbazoles, and in dimethylcar-bazoles, G3 is dominated, G2 amount is in the second place and that of G1 is the smallest. The existinganalytical data showed that〔arbazoles are reliable and characterized biomarkers for study of oilmigra-tion. By using the carbazole parameters, it was thought that oils from the Qun-4wellinthe Tarim basinhave undergone a long distance migration.
Citation: | Liu Luofu. Investigation on Pyrolytic N itrogen Compounds in the Qun-4 Well Oil of the Tarim Basin[J]. Acta Sedimentologica Sinica, 1997, 15(2): 184-187. |