确定采矿半径对于矿山安全和高效资源开发的重要性
Shaoren Wei1, Xiao Liu1, Yubo Zhang1
1School of Energy Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, China.
ACS omega
|August 11, 2025
概括
煤床甲 (CBM) 提取半径最受初始气体压力和煤炭厚度的影响. 了解这些因素及其相互作用是优化CBM恢复和矿山安全的关键.
科学领域:
- 地质科学 地质科学
- 能源工程 能源工程
- 采矿工程 采矿工程 采矿工程
背景情况:
- 煤床甲 (CBM) 提取对于矿山安全和清洁能源至关重要.
- 影响CBM提取半径的因素众多,但它们的相互作用和精确影响尚未完全理解.
研究的目的:
- 在各种影响因素下模拟和确定CBM钻井的有效开采半径.
- 确定主要影响因素及其对CBM提取半径的相互作用影响.
- 为有效的提取半径构建一个预测计算模型.
主要方法:
- 使用COMSOL模拟来建模CBM提取半径.
- 使用灵敏度分析和响应表面方法来确定关键因素.
- 基于因子相互作用及其对提取半径的影响,开发了一个计算模型.
主要成果:
- 最初的气体压力,煤炭厚度和初始透性是影响CBM提取半径的最重要因素.
- 在初始气体压力和初始透性/提取时间之间发现了显著的相互作用,更高的气体压力抑制了其他因素的影响.
- 有效的提取区域通常形成垂直膨胀的圆形,受煤层厚度的影响.
结论:
- 一个经过验证的模型准确地预测了CBM有效的提取半径,一个案例研究显示了计算和测量值之间的密切一致.
- 优化CBM开采需要仔细考虑初始气体压力,煤炭厚度和透性.
- 对因素相互作用的进一步研究可以提高清洁能源资源回收和矿山安全.
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