Accelerated weight drop configurable for use as a shear wave...
Accelerated weight drop configurable for use as a shear wave...
Accelerated weight drop for use as a seismic energy source...
Accelerated weight drop for use as a seismic energy source...
Acceleration-responsive apparatus for sensing firing instant of
Accelerometer transducer used for seismic recording
Acoustic attenuator, well logging apparatus and method of well l
Acoustic body wave dampener
Acoustic dipole well logging instrument
Acoustic energy system for marine operations
Acoustic formation logging tool with improved transmitter
Acoustic generator for distance sounding with a firing...
Acoustic impulse generator
Acoustic impulse generator
Acoustic isolator between downhole transmitters and receivers
Acoustic isolator downhole applications
Acoustic isolator for a borehole logging tool
Acoustic isolator for acoustic well logging tool
Acoustic isolator for downhole applications
Acoustic isolator for downhole applications