Cable for geophysics (and variants thereof) and method for...

Cable-locating apparatus and method

Cable-type electromagnetic receiver system for subsurface...

Cableless seismic digital field recorder having on- site...

Cableless seismic digital field recorder having on- site...

Cableless seismic digital recording system

Calibration method and calibration apparatus for a hand-held...

Calibration of sensors

Capacitive displacement transducer

Capacitive proximity detection system for an appliance

Capacitive proximity switch for evaluation of small...

Carrier for identification device with ferrite rod inside of...

Casing thickness evaluation method

Cavity monitoring system

Cetacean protection system

Chain of custody form with rfid

Characterization of formations using electrokinetic...

Characterization of the full elastic effect of the near...

Characterizing an earth subterranean structure by...

Characterizing connectivity in reservoir models using paths...