COCORP, TEXAS 5

Start Date 1/14/88 End Date 2/3/88 Date of Startup 1/14/88
Contractor Seismograph Service Corporation Crew Number VH
COCORP Honcho Tom Latham
Startup Supervisor Tom Latham Surface Coverage 107km


PARAMETERS

Recording System DFS V No. of Channels 120 Geophone Group Spacing 100.6m Source Spacing 100.6m Source/Nearest Receiver Offset 3 stations
Push/Pull PUSH Offend of Split OFFEND Noise Reject YES Vibrator Power ?????% Stacking Fold 60
Sampling Interval 4 ms Antialias Filter 64 hz Sweep Freq. Start 10hz Sweep Freq. End 48.5hz Sweep Duration 28 seconds
Total Record Time 43 seconds Correlated Record Length 15 seconds Upsweep or Downsweep UP Number of Sweeps per VP 16 Notch Filter 60hz


Geophone Array

Geophone Type GSC-20D Natural Frequency of Geophone 8 hz Number of Geophones per Station 24
Spacing Between Geophone Elements 13.75m Weighting Scheme llllllllllllllllllllllll Total Geophone Array Length 316


Source Array

Vibrator Type Y-2400
Primary Array
No. of Vibrators5 Spacing Between Vibrators m Source Moveup Between Sweeps 20.6 m
1st Vibrator starts (relative to the flag) Array Source Array Length 553 m
Backup Array
No. of Vibrators Spacing Between Vibrators Source Moveup Between Sweeps
1st Vibrator starts (relative to the flag) Array Source Array Length