Apparatus and methods for induction-SFL logging

Apparatus and methods for reducing borehole current effects

Apparatus and system for well placement and reservoir...

Apparatus and system for well placement and reservoir...

Apparatus for electromagnetic logging of a formation

Apparatus for locating an elongated conductive body by electroma

Apparatus for measuring resistivity of an earth formation using

Apparatus for measuring terrain conductivity

Apparatus for microinductive investigation of earth formations

Apparatus for microinductive investigation of earth formations

Apparatus for microinductive investigation of earth formations

Apparatus for microinductive investigation of earth formations w

Apparatus including a magnetometer having a pair of U-shaped cor

Apparatus with movable receiver coil array for locating a...

Applications of wideband EM measurements for determining...

Axial resolution enhancement method for resistivity well logs wh

Azimuthally oriented coil array for MWD resistivity logging

Borehole antenna array for determining radar incidence direction

Borehole conductivity simulator verification and transverse...

Borehole conductivity simulator verification and transverse...