Constructing co-located antennas by winding a wire through...

Continuous wave medium frequency signal transmission survey proc

Continuous wave medium frequency signal transmission survey proc

Correction of cross-component induction measurements for...

Correction of misalignment of antennas in a downhole logging...

Correction of misalignment of antennas in a logging tool

CSAMT method for determining depth and shape of a sub-surface co

Current-directing shield apparatus for use with transverse...

Deep investigation induction logging with mirror image coil arra

Deep penetration well logging sonde

Deep penetration well logging system and method

Deep penetration well logging system and method using secondary

Detection of borehole currents due to a decentered...

Detection of subsurface resistivity contrasts with...

Determination of borehole geometry inside cased wells with...

Determination of dielectric properties with propagation resistiv

Determination of horizontal resistivity of formations utilizing

Determination of water or residual oil saturation in earth forma

Determination of water saturation in earth formations independen

Determination of water saturation in earth formations independen