| 川东南下寒武统牛蹄塘组烃源岩特征及有效性分析 |
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| 引用本文： | 魏全超,朱冬梅,黄文明.川东南下寒武统牛蹄塘组烃源岩特征及有效性分析[J].四川地质学报,2012,32(1):69-73. |
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| 作者姓名： | 魏全超 朱冬梅 黄文明 |
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| 作者单位： | 1. 中国石化勘探南方分公司,成都,610041
2. 成都理工大学能源学院,成都,610059 |
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| 摘 要： | 通过地球化学分析、储层沥青薄片镜下鉴定，对川东南下寒武统牛蹄塘组烃源岩宏观特征以及微观地球化学特征进行深入研究，并以震旦系灯影组古油藏为例分析了烃源岩的有效性。结果表明，牛蹄塘组烃源岩厚度稳定，底部暗色泥页岩分别厚约25m-43m，平均有机碳含量介于0．5％-1．0％，现今已达过成熟阶段，为中等烃源岩。牛蹄塘组泥页岩是灯影组古油藏的主要烃源岩，古油藏原油裂解气是灯影组气藏成藏的物质基础。
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| 关 键 词： | 牛蹄塘组 烃源岩 古油藏 川东南 |
Characteristics and Validity Analysis of Hydrocarbon Source Rock in the Lower Cambrian Niutitang Formation in Southeast Sichuan |
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| WEI Quan-chao
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ZHU Dong-mei
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HUANG Wen-ming.Characteristics and Validity Analysis of Hydrocarbon Source Rock in the Lower Cambrian Niutitang Formation in Southeast Sichuan[J].Acta Geologica Sichuan,2012,32(1):69-73. |
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| Authors: | WEI Quan-chao ZHU Dong-mei HUANG Wen-ming |
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| Institution: | (South Exploration and Exploitation Subsidiary Company of Sinopec, Chengdu 610041; College of Energy Resource, Chengdu University of Technology, Chengdu 610059 ) |
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| Abstract: | This paper deals with geological and geochemical characteristics of hydrocarbon source rock in the Lower Cambrian Niutitang Formation in southeast Sichuan and makes an approach to validity of the source rock by the example of oil reservoir in the Sinian Dengying Formation. The results indicate that 25-43 m thick argillaceous shale in the Lower Cambrian Niutitang Formation as the hydrocarbon source rock of the Sinian oil reservoir is characterized by stable thickness with mean organic carbon content of 0.5-1.0%. |
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| Keywords: | Niutitang Formation hydrocarbon source rock validity fossil oil reservoir southeast Sichuan |
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