area cover - axial elongation
- array processor
- array response
- array response curve
- array signal
- array size
- array sonic (full waveform tool)
- array sonic (long-spaced sonic)
- array sonic logging
- array spacing
- array spray
- array station
- array system
- array tapering
- array with short-and-long-period systems
- arraying
- arrear
- arrears
- arrest
- arrested anticline
- arrester
- arresting
- arresting device
- arresting mechanism
- arrgmt
- arrival
- arrival detection
- arrival detector
- arrival rate
- arrival recording
- arrival seismometer
- arrival signal
- arrival time
- arrival time anomaly
- arrival time reading
- arrival-time curve
- arrival-time data
- arrivals
- arrive short
- arriving wave
- arriving wavefront
