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首页> 外文期刊>Surveys in Geophysics >Mining, Environmental, Petroleum, and Engineering Industry Applications of Electromagnetic Techniques in Geophysics
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Mining, Environmental, Petroleum, and Engineering Industry Applications of Electromagnetic Techniques in Geophysics

机译：电磁技术在采矿，环境，石油和工程行业中的地球物理应用

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Electromagnetic (EM) techniques are extremely important as a direct detection geophysical tool utilized in the base metal industry. They were developed in countries such as Canada, whose thin conductive weathering overburden did not hamper the penetration of EM signals and enabled exploration to depths on the order of 300 m. As a result, EM techniques were used widely in North America and Scandinavia for many years before they became common in countries with a thick conductive overburden, such as Australia. The 1980s and 1990s have seen the use of EM methods move from anomaly finding to mapping, as well as the development of better, faster and more accurate computer modelling algorithms. A review of EM papers, for the years 1998 to 2002, showed that most dealt with EM techniques as mapping tools. Airborne, ground and marine EM techniques are still being developed, as are data processing and interpretation software. The advent of robust 2-D and 3-D computer modelling and inversion algorithms has led to the acceptance of EM methods as a mapping tool for many environmental and petroleum industry applications, a trend which is expected to increase.
机译：电磁（EM）技术作为贱金属工业中使用的直接检测地球物理工具极为重要。它们是在加拿大等国家开发的，其薄薄的导电风化覆盖层不会妨碍EM信号的穿透，并且可以进行300 m左右的深度探测。结果，EM技术在北美和斯堪的纳维亚半岛被广泛使用了很多年，然后在导电覆盖层厚的国家（例如澳大利亚）变得很普遍。在1980年代和1990年代，EM方法的使用已从异常发现转向映射，以及开发了更好，更快，更准确的计算机建模算法。回顾1998年至2002年的EM论文表明，大多数将EM技术用作映射工具。机载，地面和海洋电磁技术以及数据处理和解释软件仍在开发中。强大的2D和3D计算机建模和反演算法的出现使EM方法成为许多环境和石油工业应用的映射工具，并且这种趋势预计还会增加。

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