A transfer function system for determining an identifier on...
Absolute elemental concentrations from nuclear spectroscopy
Acceleration seismic system
Accelerator-based methods and apparatus for...
Accelerometer and rate sensor package for gravity...
Accelerometer transducer used for seismic recording
Access monitoring device
Accurate dynamic gravity measurement method and apparatus
Acoustic borehole logging
Acoustic borehole logging tool
Acoustic caliper tool
Acoustic data transmission through a drill string
Acoustic device for measuring rock permeability
Acoustic dipole shear wave logging device
Acoustic emitters for use in marine seismic surveying
Acoustic energy transmitter for borehole logging
Acoustic generator for measuring distances by echoes
Acoustic impulse generator for producing seismic signals
Acoustic isolator between downhole transmitters and receivers
Acoustic isolator for acoustic well logging tool