Elongate seismic source for use in marine operations

Elongated continuous receiving structure_

Embedded rfid scanner for mobile product management

Emission of seismic vibrations by a train consisting of...

Emitter for electromagnetic tomography measurement system...

Enclosed nuclear-magnetism logging tool with compensated...

End weighted reed sound transducer

Energy collection method in a single point of a drilling...

Energy source for use in seismic acquisition

Enforcing consistency in geoscience models

Enhanced method and device for aquatic seismic prospecting

Enhanced noise cancellation in vsp type measurements

Enhanced performance antennas for nmr logging

Enhancement of drill bit seismics through selection of...

Enhancing magneto-impedance modulation using...

Enhancing the quality and resolution of an image generated...

Environment exploration method and its seismic exploration...

Epithermal neutron decay logging

Epithermal neutron detector and logging method using it

Epithermal neutron detector having enhanced efficiency