Protective device permitting more specially the use of probe in
Radial sounding electrical well logging instrument
Receiver streamer system and method for marine...
Receivers and methods for electromagnetic measurements
Recording decimated magnetotelluric measurements with coherence
Remote reservoir resistivity mapping
Remote reservoir resistivity mapping
Remote reservoir resistivity mapping
Remote reservoir resistivity mapping
Remotely operable measurement system and method employing same
Resistivity sensor for generating asymmetrical current field and
Retrievable resistivity logging system for use in measurement wh
Rotating telluric field measurements
Satellite synchronized 3-D magnetotelluric system
Scanning probe inspection apparatus
Seafloor magnetotelluric system and method for oil exploration
Seal and pressure balance system for an electrode-type logging s
Semi-permeable electrolytic cell and method for surveying buried
Sensor cable for electromagnetic surveying
Sensor cable for electromagnetic surveying