Geophysical benefits from an improved seismic vibrator
Geophysical benefits from an improved seismic vibrator
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DOI：
10.1111/j.1365-2478.2011.01008.x
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发表时间：
2012-05
影响因子：
2.6
通讯作者：
Zhouhong Wei;M. Hall;T. Phillips
中科院分区：
文献类型：
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作者：
Zhouhong Wei;M. Hall;T. Phillips
地震可控震源已成为获取陆地数据的一个非常重要的震源，近年来可控震源技术的应用有了很大的改进。这些改进大大提高了生产力，在许多情况下，源采样密度也大大增加。与此同时，振动器本身在过去的几十年里几乎没有改进。在一些领域中，需要对振动器本身进行改进，以提高所采集地震数据的质量。本文介绍了四个方面的进展，低频性能，高频性能，改进的估计振动器地面力和源签名一致性在可变的地面条件。这些振动器特性中的每一个将被依次讨论。同时，对两种不同的振动器在这四个区域的性能进行了现场试验比较。
The seismic vibrator has become a very important source for land data acquisition and there have been dramatic improvements in recent times in the application of the vibroseis technique. These improvements have led to much increased productivity and in many cases much denser source sampling. At the same time, the vibrator itself has seen little improvement over the last couple of decades. There are needs in a few areas where an improvement in the vibrator itself can bring benefits to the quality of the seismic data acquired. This paper describes progress in four such areas, low‐frequency performance, high‐frequency performance, an improved estimate of the vibrator groundforce and source signature consistency over variable ground conditions. Each of these vibrator characteristics will be discussed in turn. Meanwhile, two field test results in which the performance of two different vibrators in these four areas are compared.