新疆石油地质 ›› 1994, Vol. 15 ›› Issue (3): 220-225.

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准噶尔盆地西北缘石炭、二叠系烃源岩有机岩石学特征

丁安娜, 惠荣耀, 王屿涛   

  1. 第一作者:副研究员 油气地球化学 中国科学院兰州地质研究所 兰州 730000
  • 收稿日期:1994-05-30 出版日期:1994-09-01 发布日期:2020-07-22

ORGANIC PETROGRAPHY OF HYDROCARBON SOURCE ROCK OF THE CARBONIFEROUS AND PERMIAN IN NORTHWESTERN MARGIN, JUNGGAR BASIN

Ding Anna, Hui Rongyao, Wang Yutao   

  1. First Author:Associate Professr, Hgdrocarbon Geochemtstry, Lanzu Gcoiogg Research lastitute, Aoxdenia Sinic, Lanzhou 730000
  • Received:1994-05-30 Online:1994-09-01 Published:2020-07-22

摘要: 有机岩石学镜下鉴定和扫描电子显微镜资料表明,准噶尔盆地西北缘具有多层位生油的特征。上二叠统风城组泥岩显微组分中无定形体丰富,具极强的生油能力;上二叠统乌尔禾组及下石炭统烃源岩有机组分以混合偏腐泥型有机质为主;下二叠统佳木河组泥岩为偏腐泥型生油岩。

关键词: 准噶尔盆地西北缘, 石炭系, 二叠系, 有机岩石学, 烃源岩

Abstract: Data from organic petrographic micrascopic identification and SEM indicated that multiple source rocks exist in northwestern margin of Junggar basin. Amorphous Dasses are enriched in maceral of Later Permian Fengcheng Formation shales, with high oil-geherating potential. The organic components of Upper Prmian Wuethe Formation and Lower Carboniferous hydrocarbon source rocks are dominated by ll-towards-sapropel type organic matets,whereas Lower Permian Jiamuhe Formation shales are sapropel-prone source rock.

Key words: Northwestern margin, Junggar basin, Carboniferous, Pernian, Organic petrography, Hydrocarbon source rock