Using electrical impedance tomography to map subsurface hydrauli
Using electrokinetic phenomena and electrical resistance tomogra
Well logging apparatus for obtaining azimuthally sensitive...
Well logging apparatus with replaceable sensor carrying insulati
Well logging method and apparatus using passive azimuthal electr
While-drilling apparatus for measuring streaming potentials...
While-drilling methodology for determining earth formation...
While-drilling methodology for estimating formation pressure...
Zoom guard resistivity logging system featuring resistogram prof