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THE MARKER FOR HYDROCARBON GENERATION OF CLAROvitrinite.UNDER IRRADIATION OF ELECTRON BEAM

石油勘探与开发 1997年第6期24卷 109-112页

作者： Yu Bing Zhang Jing Yu Jianyong(China University of Mining and Technology, Jiangsu, 221008)

The resolving power of the traditional coal petrology methods confines the appraisal of the oil-generating potential of vitrinite.with submicron and ultramicron structure. Through eIectron microscope analysis ofclarovitrinite.from Turpan-Hami basin's Jurassic humic coal, three kinds of ultramicron lipoid inclusions(ultralaminae, ultraexsudatinite, Submicrinite) and two kinds of ultramicropore structure (through-pore, hollow-pore) were detected. It was found that under continuous irradiation of electron beam (6-20 min ), liquidhydrocarbon matter was oparated out from ultralaminae and ground mass of ckarovitrinite. and the separatedamount of hydroprbon trom ultralaminae is more than that from ground mass. Oil film was formed on the surfaceof ground mass and the scattered hollow-pores were connected together, with a lot of remnant-micriniteaccumulated on the pore wall, resulting from hydrocarbon discharge. The experimental results provide straightevidences for the thermal-Chemical behavior of clarovitrinite.s hydrocarbon generating. It is believed that theclarovitrinite.s oil-generating potential comes from the existence of the ultramicron lipoid inclusions and theassimilation of ultramicron lipoid matter with vitrinite.during the coalification based on the melting of someultramicro-lipoid debris and the humic matters during bio-geochemical gelification.

关键词： Jurassic period Humic coal vitrinite. microstructure MicrOscopy Oil and gas origin (Turpan-Hami basin) (Eledron beam irradiation)Abtract: The resolving power of the traditional coal petrology methods confines the appraisal of the oil-gene

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