横向的良好辅助减压方法,用于从巴地热场的破碎花岩水库中进行地热利用
Yuchao Zeng1, Lixing Ding1, Nengyou Wu2
1College of Mechanical and Electrical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, China.
Scientific reports
|February 3, 2026
概括
这项研究提出了一个水平井系统,用于从破碎花岩中提取地热能,实现超过12年的稳定生产,并产生大量的电力,减少温室气体排放.
科学领域:
- 地热能源工程 地热能源工程
- 储水库工程 储水库工程
- 环境科学 环境科学
背景情况:
- 破碎的花岩水库对高效地热热量提取提出了挑战.
- 扬巴金地热场为增强地热系统 (EGS) 提供了潜力.
- 探索减压方法,以优化从深层地热资源的热量生产.
研究的目的:
- 为了评估一个水平井系统的地热利用性能,在一个破碎的花岩水库中使用压缩方法.
- 评估发电潜力,并确定影响性能的关键因素.
- 估计环境效益,特别是温室气体排放减少.
主要方法:
- 使用ZK4001钻孔的地质数据进行了数值模拟.
- 该研究模拟了一个带有减压策略的水平井系统.
- 进行了灵敏度分析,以确定运行参数的影响,如生产压力和水库透性.
主要成果:
- 拟议的系统可以从248°C的水库中在230°C下保持12.5年的稳定生产.
- 在20.6年的使用寿命中,该系统预计将产生23.12-32.28兆瓦的电力.
- 增强的水库透性显著提高了能源效率,并降低了运营成本.
结论:
- 带压缩的水平井系统是破碎花岩水库中地热利用的可行方法.
- 生产压力和水库透性是优化能源效率和功率输出的关键因素.
- 该系统可大幅减少温室气体排放,有助于实现可持续能源目标.
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