The high-frequency dielectric logging tool is useful in electromagnetic well logging, because by measuring the dielectric constants of rock formations at high frequencies (1 GHz), the water saturation of rocks could be inferred without knowing the water salinity in the rocks. In this paper, we present the results of a theoretical model presented in the previous paper. We use our theoretical model to study the behavior of such a tool across geological sedimentary beds. We also study the effect of using different polarizations on the measurement. Furthermore, we study the standoff and mudcake effects that reflect on the depth of investigation of such a tool. Finally, we study the use of borehole compensation modes in the measurements. We find that the TE polarization is more robust than the TM polarization in terms of mudcake and standoff effects. Also, the standoff effect affects the measurement more severely than the mudcake effect. Shorter receiver spacings give rise to a higher resolution in the measurement. Borehole compensation results in a slight loss of resolution, and horns in the logs are removed.
|Original language||English (US)|
|Number of pages||11|
|Journal||IEEE Transactions on Geoscience and Remote Sensing|
|State||Published - Jul 1988|
ASJC Scopus subject areas
- Electrical and Electronic Engineering
- Earth and Planetary Sciences(all)