Cableless seismic digital field recorder having on-site seismic
Calculation of raypaths and wavepaths from traveltime tables for
Calibration system for use in time lapse tomography
Coding seismic sources
Combination flyer-jumper associated with a geophysical data acqu
Common offset depth migration with residual moveout correction
Common-depth-point method for determining and displaying the she
Common-offset-distance seismic trace filtering
Composite seismic signal
Computation of Q-derived static corrections from seismic data
Computationally efficient weighting and vertical stacking method
Concentrating seismic energy in a selected target point in...
Concurrent phase angle graphic analysis
Conditional updating method and apparatus associated with a micr
Configuration of source and receiver lines for 3-dimensional sei
Continuity logging using differenced signal detection
Continuous automatic migration of seismic data with waveform pre
Converted mode seismic survey design
Converted wave energy removal from seismic data
Cop switch-position encoder, method and apparatus