Multisource Seismic Full Waveform Inversion of Metal Ore Bodies

Multisource Seismic Full Waveform Inversion of Metal Ore Bodies
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DOI:
10.3390/min12010004
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发表时间:
2021-12
期刊:
影响因子:
2.5
通讯作者:
Liguo Han
Liguo Han
中科院分区:
地球科学3区
文献类型:
--
作者:
Fengjiao Zhang;Pan Zhang;Zhuo Xu;Xiangbo Gong;Liguo Han

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地震勘探方法可以勘探深层金属矿体(深度>1000 m)。然而,复杂金属矿体的几何形状很难准确描述。地震全波形反演是一种相对较新的实现地下结构精确成像的方法,但其成功需要更好的初始模型和低频数据。金属矿区采集的地震数据通常很难满足全波形反演的要求。被动地震数据通常包含良好的低频信息。在本文中,我们使用被动和主动地震数据集来改进金属矿区的全波形反演结果。结果表明,多源地震全波形反演可以获得适合金属矿体高分辨率地震成像的结果。
The seismic exploration method could explore deep metal ore bodies (depth > 1000 m). However, it is difficult to describe the geometry of the complex metal ore body accurately. Seismic full waveform inversion is a relatively new method to achieve accurate imaging of subsurface structures, but its success requires better initial models and low-frequency data. The seismic data acquired in the metal mine area is usually difficult to meet the requirements of full waveform inversion. The passive seismic data usually contains good low frequency information. In this paper, we use both passive and active seismic datasets to improve the full waveform inversion results in the metal mining area. The results show that the multisource seismic full waveform inversion could obtain a suitable result for high-resolution seismic imaging of metal ore bodies.
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