Data acquisition and prestack migration based on seismic...
Data acquisition for a ground penetrating radar system
Data collecting and centralizing system for fixed sismic...
Data compression methods and systems
Data fusion receiver
Data insertion system
Data logger
Data management for seismic acquisition using variable...
Data transmission systems for seismic streamers
Deactivatable magnetic marker and method for production thereof
Deactivateable security tag
Debris ejector for a seismic vibrator
Debris monitoring
Deconvolution filter for induction log processing
Deep penetration well logging system and means
Deep penetration well logging system and method
Deep resistivity transient method for mwd applications using...
Depth correlation system in well logging
Derive for imparting radial stress pulses on a well bore
Deriving tilt-corrected seismic data in a multi-axis seismic...