| 祁连山木里地区侏罗系窑街组烃源岩生烃潜力评价 |
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| 引用本文： | 徐久晟,文志刚,胡道功,张耀玲,戚帮申.祁连山木里地区侏罗系窑街组烃源岩生烃潜力评价[J].地质力学学报,2015,21(3):446-452. |
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| 作者姓名： | 徐久晟 文志刚 胡道功 张耀玲 戚帮申 |
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| 作者单位： | 湖北省地震局, 武汉 430071;中国地震局地震研究所地震大地测量重点实验室, 武汉 430071;长江大学地球环境与水资源学院, 武汉 430100;中国地质科学院地质力学研究所, 北京 100081;中国地质科学院地质力学研究所, 北京 100081;中国地质科学院地质力学研究所, 北京 100081 |
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| 基金项目： | 中国地质调查局天然气水合物资源勘查与试采工程国家专项"祁连山冻土区天然气水合物资源勘查(力学所)"(GZHL20120301) |
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| 摘 要： | 祁连山木里坳陷侏罗系窑街组煤系泥岩和煤有机质丰度、有机质类型和有机质成熟度分析结果表明,窑街组煤系泥岩为好的烃源岩,有机质类型为Ⅱ1型,处于成熟阶段,以生油为主,生气为辅;煤为差等烃源岩,有机质类型为Ⅲ型,处于成熟阶段,富氢基质镜质体含量高,具有一定的生烃潜力。综合其它层位烃源岩分析结果,认为窑街组煤系泥岩和晚三叠世尕勒得寺组湖相泥岩为祁连山木里地区天然气水合物的主要气源岩。
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| 关 键 词： | 窑街组 生烃潜力 天然气水合物 祁连山 |
| 收稿时间： | 2014/2/12 0:00:00 |
EVALUATION OF THE HYDROCARBON GENERATION POTENTIAL OF SOURCE ROCKS OF THE JURASSIC YAOJIE FORMATION IN MULI DEPRESSION OF QILIAN MOUNTAINS |
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| XU Jiu-sheng,WEN Zhi-gang,HU Dao-gong,ZHANG Yao-ling and QI Bang-shen.EVALUATION OF THE HYDROCARBON GENERATION POTENTIAL OF SOURCE ROCKS OF THE JURASSIC YAOJIE FORMATION IN MULI DEPRESSION OF QILIAN MOUNTAINS[J].Journal of Geomechanics,2015,21(3):446-452. |
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| Authors: | XU Jiu-sheng WEN Zhi-gang HU Dao-gong ZHANG Yao-ling and QI Bang-shen |
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| Institution: | Earthquake Administration of Hubei Province,Wuhan 430071, China;Key Laboratory of Earthquake Geodesy,Institute of Seismology,CEA,Wuhan 430071, China;School of Earth Environmental and Water Resources, Yangtze University, Wuhan 430100, China;Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China;Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China;Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China |
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| Abstract: | The research results of the abundance, types and maturity of the organic matter of mudstone and coal seam of Yaojie coal-bearing formation in Muri depression of Qilian Mountains show that the mudstone of Yaojie coal-bearing formation is good hydrocarbon source rock and the organic matter type is sapropelic-humic (II1) during the mature stage in which gas generation is predominant. While the coal seams are relatively poor hydrocarbon source rocks, with the organic matter of humic type (III) at the mature stage, which have a certain hydrocarbon generating potential. Based on the analysis of hydrocarbon source rocks in others formation, it is concluded that the mudstone of Yaojie coal-bearing formation and the lacustrine mudstone of Galedesi formation in late Triassic are the main source rocks of gas hydrates in Muri depression. |
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| Keywords: | Yaojie Formation hydrocarbon generation potential Muli depression Qilian Mountains |
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