A MULTI-ELECTRODE ARRAY FOR RESISTIVITY SURVEYING
A MULTI-ELECTRODE ARRAY FOR RESISTIVITY SURVEYING
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用于电阻率测量的多电极阵列
DOI：
10.3997/1365-2397.1985013
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发表时间：
1985
期刊：
影响因子：
--
通讯作者：
J. Turnbull
中科院分区：
文献类型：
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作者：
D. H. Griffiths;J. Turnbull
多年来，在水平层状地球上收集的电阻率数据的解释技术受到了极大的关注，并且现在非常成功。即使地层显示出某种倾斜或轻微褶皱，或者当发生其他横向变化时，通常也可以获得有用的结果，但是当地质与水平分层模型偏离太远时，确实会出现问题。然而，地下结构在横截面上可以是足够均匀的，以被视为二维的，并且由于现在可以计算任何这种地下电阻率分布的表面处的视电阻率的变化，所以对这种类型的地下特征的调查在原则上是可行的。两个主要的困难，必须克服在开发一个实用的技术，为这一目的，一个工具和一个解释。我们认为我们已经解决了第一个问题：我们在第二个问题上也取得了一些进展。
Techniques for the interpretation of resistivity data collected over a horizontally layered earth have received a great deal of attention over the years and are now very successful. Even where the strata show some dip or gentle folding, or when other lateral variation occurs, useful results can often be obtained, but problems do arise when the geology departs too far from the horizontally layered model. However, the subsurface structure may be sufficiently uniform in cross-section to be treated as two-dimensional and, as the variation in apparent resistivity at the surface for any such subsurface distribution of resistivity can now be computed, the investigation of subsurface features of this type is in principle feasible. Two major difficulties have to be overcome in developing a practical technique for this purpose, one instrumental and one interpretational. We believe we have solved the first problem: we have also made some progress with the second.