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准噶尔盆地东部原油地球化学特征
石油与天然气地质
1990年 11卷 第No.1期
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Title
GEOCHEMICAL FEATURE OF CRUDE OLL IN EAST JUNGGAR BASIN
Authors
Wang Yutao
Chen Kexun
摘要
火烧山二叠系平地泉组原油具湖相原油特征,自生自储。三台—北三台石炭系至第三系各储层的原油可能亦为湖相混合型有机质生成,但普遍遭受了生物降解。五彩湾凹陷石炭系原油和北三台西南斜坡及古牧地侏罗系原油与上述原油殊异,生油物质可能为湖沼相高等植物。
Abstract
The authors studied the biomarkers,stable carbon isotope and physical properties of the crude oilin east Jungger Basin and suggested that the crude oil could be divided into three types.Type-A is nor-mal lacustrine crude oil,type-B underwent biedegradation and type-C is coal-formed oil.
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