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地质科学  2016, Vol. 51 Issue (2): 533-546    DOI: 10.12017/dzkx.2016.015
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吉木萨尔凹陷芦草沟组烃源岩评价及页岩油富集条件探讨
邱振1,2, 陶辉飞3, 卢斌2, 吴晓智1, 杨智1, 唐勇4, 崔景伟1, 周杰2
1. 中国石油勘探开发研究院 北京 100083;
2. 中国石油勘探开发研究院廊坊分院 河北廊坊 065007;
3. 中国科学院地质与地球物理研究所兰州油气资源研究中心 兰州 730000;
4. 中国石油新疆油田分公司 新疆克拉玛依 834000
Source rock evaluation and enrichment conditions of shale oil for Lucaogou Formation in Jimsar sag
Qiu Zhen1,2, Tao Huifei3, Lu Bin2, Wu Xiaozhi1, Yang Zhi1, Tang Yong4, Cui Jingwei1, Zhou Jie2
1. Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083;
2. Langfang Branch, PetroChina Exploration and Development Research Institute, Langfang, Hebei 065007;
3. Key Laboratory of Petroleum Resources Resource Research, Institute of Geology and Geophysiscs, Chinese Academy of Sciences, Lanzhou 730000;
4. PetroChina Xinjiang Oilfield Company, Karamay, Xinjiang 834000
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摘要 准噶尔盆地吉木萨尔凹陷芦草沟组为一套优质陆相烃源岩, 是我国当前页岩油气研究的热点地区之一.基于吉木萨尔凹陷18口井芦草沟组约为580 m岩心观察、薄片观察、地球化学测试等数据, 对芦草沟组烃源岩岩石类型、地球化学特征等方面开展了研究与评价, 结果表明: 1)芦草沟组烃源岩整体上为优质烃源岩, 且以Ⅰ—Ⅱ型有机质类型为主, 处于低熟至成熟阶段; 2)烃源岩主要划分为5种类型, 包括纯页岩、白云质页岩、纯泥岩, 白云质泥岩和粉砂质泥岩, 其有机质类型和丰度存在一定差异.综合研究得出, 吉木萨尔凹陷芦草沟组优质有效烃源岩的有机质丰度下限值为2.0%, 并认为TOC≥2.0%的烃源岩段也是该区页岩油发育的有利层段.
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关键词页岩油   优质有效烃源岩   富集条件   芦草沟组   吉木萨尔凹陷     
Abstract: The source rocks of Lucaogou Formation in Jimusar sag, Junggar Basin is a set of excellent continental hydrocarbon source rock, and is also one of the hotspots of the shale oil and gas research in China. On the basis the examination of 580 meters of 18 well cores, observation of thin sections and organic geochemistry analysis, the rocks types and organic geochemistry characteristics of the source rocks were comprehensively studied. The results reflected that: 1)On the whole, the hydrocarbon source rocks of the Lucaogou Formation were high quality source rock, whose kerogen were mainly Ⅰ~Ⅱ types, and were at the stage of low maturity to maturity; 2)The source rocks could mainly be classified into five rock types: pure shale, dolomitic shale, pure mudstone, dolomitic mudstone and silty mudstone. Through comprehensive study, the organic carbon content limit value of the high quality and effective source rock of the Lucaogou Formation hydrocarbon source rocks was 2.0%. Meanwhile, the hydrocarbon source rocks with TOC≥2.0% were also the favorable layers for shale oil in the Jimusar sag.
Key wordsShale oil   High quality and effective source rock   Enrichment conditions   Lucaogou Formation   Jimsar sag   
收稿日期: 2015-03-18;
基金资助:

国家重点基础研究发展计划"973"项目(编号: 2013CB228001)、中石油第四次油气资源评价重大专项(编号: 2011ZX05001)和中国科学院战略性先导科技专项(编号: XDB10010103)资助

作者简介: 邱振,男,1984年3月生,博士,沉积学及石油地质学专业.E-mail:qiuzhen316@163.com
引用本文:   
. 2016, 吉木萨尔凹陷芦草沟组烃源岩评价及页岩油富集条件探讨. 地质科学, 51(2): 533-546.
. Source rock evaluation and enrichment conditions of shale oil for Lucaogou Formation in Jimsar sag[J]. Chinese Journal of Geology, 2016, 51(2): 533-546.
 
没有本文参考文献
[1] 邱 振 姜 琳 陶辉飞 . 吉木萨尔凹陷二叠统芦草沟组地层与沉积环境特征研究[J]. 地质科学, 2017, 52(3): 964-979.
[2] 齐雪峰, 吴晓智, 唐勇, 赵亮. 新疆博格达山北麓二叠系油页岩成矿特征及资源潜力[J]. 地质科学, 2013, 48(4): 1271-1285.
 
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