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Conventional Refraction Analysis
Highly interactive first-break picking and automatic phantom to derive layered velocity structures with GRM
Refractor main screenshot
Data input
  • Import all records of a survey line at one time
  • Efficiently assign geometry measured with slope or horizontal distance
  • Input elevation data
  • Optionally load first-break picks together with seismic data for reprocessing
  • Support most third-party picks formats
Refractor screenshot 0.0
Data processing
  • AGC, trace balance, and frequency filtering
  • Trigger delay correction
  • Undo or redo multiple steps in data processing
First-break picking
  • Manually pick first breaks with a trace magnifier
  • Automatically pick first breaks guided by velocity or waveform phase
  • Test layer velocity on refraction waveforms
  • Overlay shear waves of opposite polarity to assist picking
  • Merge multiple picks files
Refractor screenshot 1.0
Layer assignment and phantom
  • Shot depth correction
  • Interactively assign layers on T-X curves or seismic traces
  • Check layer assignment with intercept time method (ITM)
  • Automatically or manually phantom time-distance curves
  • Check phantom with reciprocal time
  • GRM, DTM, ITM, and plus-minus method
  • Allow lateral variation of surface velocity
  • Create lateral velocity segments with GRM
  • Plot depth section with the envelope of arcs
  • Display velocity sections with colours and editable lithologic symbols
  • Plot well data
  • Show receiver and shot point locations on velocity section
  • Depth and velocity section
  • Picks file into DW TOMO for refraction tomography
  • Velocity section into DW TOMO as an initial model
Refractor screenshot 3.0