Three-dimensional borehole radar measurements: a standard logging method?

Klaus Siever

doi:10.1117/12.383548

27 April 2000 Three-dimensional borehole radar measurements: a standard logging method?

Klaus Siever

Proceedings Volume 4084, Eighth International Conference on Ground Penetrating Radar; (2000) https://doi.org/10.1117/12.383548
Event: 8th International Conference on Ground Penetrating Radar, 2000, Gold Coast, Australia

Abstract

A lot of different logging methods are established for many exploration purposes. The borehole radar or Electro Magnetic Reflection (EMR) method is not that popular. There are two main reasons for this situation: Borehole radar measurements are not applicable in situations where drilling mud or other conductive materials are in the borehole and the available borehole radar equipment need special logging cables like optical or coaxial cables. The first aspect limits the application of borehole radar to stable drillholes where no hydrostatic pressure is necessary or where only pure water may replace the drilling mud. Especially a dry salt environment is suitable for borehole radar. The second aspect is related to the equipment. A very ruggedised borehole tool with easy assembling and fitting to standard cableheads and standard logging cables is desirable. This paper describes the development and the outline of a directional borehole radar system which may be integrated in standard logging programs. This system makes it easier for companies to carry out borehole radar measurements at their drilling locations.

Citation Download Citation

Klaus Siever "Three-dimensional borehole radar measurements: a standard logging method?", Proc. SPIE 4084, Eighth International Conference on Ground Penetrating Radar, (27 April 2000); https://doi.org/10.1117/12.383548

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