结合过程数值模型的进步:使用空间连续性的光圈场的升级
Gonçalo Benitez Cunha1,2, Christopher Ian McDermott1, Alexander Bond3
1School of Geosciences, The University of Edinburgh, The King's Buildings, James Hutton Road, Edinburgh EH9 3FE, UK.
iScience
|November 11, 2024
概括
将空间连续性纳入裂口模型中,可以改善地质介质中的流体流动模拟. 这种方法提高了准确性,特别是在较粗的网格分辨率下,用于更好的资源管理和能源勘探.
科学领域:
- 地质科学 地质科学
- 水文地质学 水文地质学
- 计算建模 计算建模
背景情况:
- 断裂地质介质中的流体流动对于气候变化适应,资源管理和能源勘探至关重要.
- 当前的数值模型经常使用简化的断裂表示,忽视了断裂开口数据中的空间连续性和方向性.
- 这种监督可以导致不准确的光圈几何形状和损害流量模拟结果.
研究的目的:
- 研究将空间连续性信息整合到破碎地质介质的数值模型中的影响.
- 评估使用半波色图分析来推导断裂孔场中的空间连续性的好处.
- 为了比较使用空间连续性告知升级与传统方法的流动模拟的准确性.
主要方法:
- 使用半波色图分析,从断裂数据中获得空间连续性信息.
- 一个弗赖伯格格尼斯断裂孔径场使用两种方法进行了升级:一种是采用空间连续性,另一种是使用传统的算术平均值.
- 使用升级的光圈场进行了数值流动模拟,重点关注在较粗的网格分辨率上的性能.
主要成果:
- 升级带有内置空间连续性的断裂孔径场显示了流动模拟精度的显著改进.
- 这些改进在使用较粗的网格分辨率时尤其明显,这表明效率提高.
- 这项研究证实,考虑空间连续性可以使孔径几何形状得到更现实的表示.
结论:
- 整合从半波色图分析中获得的空间连续性信息,可以提高在破碎的地质介质中的数值流模拟的准确性.
- 这种方法为传统方法提供了优越的替代方案,特别是在大规模建模和当计算资源需要更粗的网格时.
- 这些发现支持采用这种增强方法来更好地理解和预测复杂地质系统中的流体流动.
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