ORGANIC PETROLOGY STUDY OF JURASSIC COAL SERIES IN JUNGGAR BASIN

Abstract

Abstract: Organic petrology is an important method for studying coal-formed oil.According to microscopic fluorescence and reflection analyses of Jurassic coal series, this paper considered that there is a large quantities of hydrocarbon-generation maceral, most of desmocollinite can shine fluorescence.The hydrocarbon generation characteristics of coal correlates closely with the quantities of hydrocarbon generation maceral. The main organic matter types of Jurassic coal belong in type Ⅱ₂, and some in type Ⅱ₁.The study on maturity proved that Jurassic coal has reached or exceeded the “oil window” and generated a large number of liquid hydrocarbon, being as an important source rock in Junggar basin.

Key words: Junggar basin, Jurassic, Coal composition, Microscopy, Fluorescence analysis, Coal-formed oil, Source bed

Wei Hui, Jin Kuili, Zhang Jiyi. ORGANIC PETROLOGY STUDY OF JURASSIC COAL SERIES IN JUNGGAR BASIN[J]. Xinjiang Petroleum Geology, 1998, 19(1): 22-27.

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ORGANIC PETROLOGY STUDY OF JURASSIC COAL SERIES IN JUNGGAR BASIN

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