塔里木盆地北缘库拜煤田陡倾斜煤储层纳米孔隙特征及其地质控制

贺小标, 李鑫, 魏永恒, 田继军, 琚宜文, 杨曙光, 王文峰, 吴斌, 王猛. 2021. 塔里木盆地北缘库拜煤田陡倾斜煤储层纳米孔隙特征及其地质控制. 地质科学, 56(3): 740-757. doi: 10.12017/dzkx.2021.037
引用本文: 贺小标, 李鑫, 魏永恒, 田继军, 琚宜文, 杨曙光, 王文峰, 吴斌, 王猛. 2021. 塔里木盆地北缘库拜煤田陡倾斜煤储层纳米孔隙特征及其地质控制. 地质科学, 56(3): 740-757. doi: 10.12017/dzkx.2021.037
He Xiaobiao, Li Xin, Wei Yongheng, Tian Jijun, Ju Yiwen, Yang Shuguang, Wang Wenfeng, Wu Bin, Wang Meng. 2021. Nano-pore characteristics and their geological control of the steeply inclined coal reservoir in the Cubey coalfield, the northern Tarim Basin. Chinese Journal of Geology, 56(3): 740-757. doi: 10.12017/dzkx.2021.037
Citation: He Xiaobiao, Li Xin, Wei Yongheng, Tian Jijun, Ju Yiwen, Yang Shuguang, Wang Wenfeng, Wu Bin, Wang Meng. 2021. Nano-pore characteristics and their geological control of the steeply inclined coal reservoir in the Cubey coalfield, the northern Tarim Basin. Chinese Journal of Geology, 56(3): 740-757. doi: 10.12017/dzkx.2021.037

塔里木盆地北缘库拜煤田陡倾斜煤储层纳米孔隙特征及其地质控制

  • 基金项目:

    国家自然科学基金项目(编号:U1903303,42002188)和新疆维吾尔自治区高校科研计划项目(编号:XJEDU2019Y010)资助。

详细信息
    作者简介:

    贺小标,男,1994年生,硕士,地质工程专业。E-mail:hxb15037032019@163.com

    通讯作者: 李鑫,男,1990年生,博士,副教授,地质资源与地质工程专业。本文通讯作者。E-mail:lixinwaxj@xju.edu.cn
  • 中图分类号: P618.11

Nano-pore characteristics and their geological control of the steeply inclined coal reservoir in the Cubey coalfield, the northern Tarim Basin

More Information
  • 近年来新疆塔里木盆地北缘库拜煤田陡倾斜煤储层成为我国煤层气勘探开发新热点,部分煤层气井相继取得高产。本次采集了库拜煤田陡倾斜储层不同深度及煤体结构共61块煤样,通过煤岩组分与成熟度、低温液氮吸附、等温吸附等实验,分析了陡倾斜煤储层纳米孔隙结构特征及其地质控制。结果表明:受控于南天山山前冲断带内部不同部位剪切及挤压强度的非均质性,库拜煤田陡倾斜储层纳米孔隙体积随深度增加先增大后减小;随煤体破坏程度的增大,煤岩纳米孔隙体积相应增加且其孔隙结构复杂程度趋于复杂;陡倾斜储层倒转位置煤体变形相对增强,构造煤发育程度较高,煤岩纳米孔隙体积以及比表面积相应增大,甲烷吸附能力强、含气性较好。研究成果对陡倾斜储层煤层气勘探和开发具有重要指导意义。
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出版历程
收稿日期:  2020-11-08
修回日期:  2021-01-16
刊出日期:  2021-09-01

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