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Updated: Jan 11, 2026

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基于水力动力水平切割的煤层裂变的实验研究-CO2爆破协作

Hao Chen¹, Yiping Zhang¹, Qinzhi Liu¹

¹College of Mining, Guizhou University, Guiyang 550025, China.

|November 17, 2025

概括

这项研究引入了一种新的气液双相技术,将液压水平切割和二氧化碳裂变相结合起来,以提高煤层的透性. 这种方法有效地创建复杂的断裂网络,以改善深层煤矿开采.

科学领域:

采矿工程采矿工程采矿工程
地质技术工程地质技术工程
石油工程是石油工程中的一个.

背景情况:

深度煤炭开采面临复杂的地质条件,限制了单一的透性增强技术.
现有的煤层气体透性增强方法往往不足以深度采矿应用.

研究的目的:

开发和评估一种新的气液两相综合行动煤层透性增强技术.
解决深层,复杂的煤层中单一透性增强技术的局限性.

主要方法:

利用液压水平切割来创建一个没有减压的表面.
采用二氧化碳裂变和透技术,以协同减压和透.
在类似的模型上进行模拟实验,以分析裂扩张.
应用数字图像相关性技术来检查位移场分布.
使用了COMSOL多物理技术进行煤体位移分析和模拟验证.

主要成果:

观察到,屋顶板和煤层之间的分层裂可以抑制辐射裂扩展.
液压水平裂制造了无支的煤体,导致水平和辐射裂的形成.
二氧化碳喷射引发了进一步的裂扩张,并产生了新的辐射裂,形成了一个复杂的网络.
观察到裂上方的y轴位移的规律变化,从中心减少.

结论:

集成的液压水平裂纹CO2喷射技术通过创建复杂的断裂网络,有效地提高了煤层的透性.
这种气液两相方法为高效的深层煤层采矿提供了有前途的解决方案.
这项研究证实了减压和破裂在改善煤炭透性方面的协同效应.

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