Cable connection head for a well logging cable useful at high te
Cable-type electromagnetic receiver system for subsurface...
Caddy for metal detector
Calibrating and compensating influence of casing thickness varia
Cantilever control device
Cantilevered manipulator for autonomous non-contact scanning...
Casing/push bore monitor technique
Cathodic survey apparatus
Centralizer including measurement means
Characterization of formations using electrokinetic...
Circuit for detecting the metal type of a metal target object
Closure guard with electronic marker and perforated carrier...
Coaxial two port waveguide flowline sensor
Coherent detection system for use in induction well logging appa
Coherent in-phase demodulation for resistivity image tools...
Coil arrangement for search head of a metal detector
Coil array for a high resolution induction logging tool and meth
Combined characterization and inversion of reservoir...
Combined electromagnetic sensor and magnetometer
Combining seismic waves with seismoelectrics to perform...