COCORP Minnesota MINNESOTA

Start Date 1 End Date 5/30/79 Date of Startup 6/11/79
Contractor 5/29/79 Crew Number GEOSOURCE
COCORP Honcho 49.9 B
Startup Supervisor 6834 J Surface Coverage BREWERkm


PARAMETERS

Recording System PAYNE No. of Channels 24 Geophone Group Spacing 4m Source Spacing 64.5m Source/Nearest Receiver Offset 40stations
Push/Pull 22 Offend of Split 42 Noise Reject 20 Vibrator Power UP Stacking Fold MDS-10
Sampling Interval 96 Antialias Filter 100.6hz Sweep Freq. Start 201.2hz Sweep Freq. End 8hz Sweep Duration 3seconds
Total Record Time PULLseconds Correlated Record Length OFFENDseconds Upsweep or Downsweep YES Number of Sweeps per VP 16 Notch Filter WABCOhz


Geophone Array

Geophone Type ETL-EV_22B Natural Frequency of Geophone 7.5hz Number of Geophones per Station 24
Spacing Between Geophone Elements 8.5m Weighting Scheme lllll2222222lllll Total Geophone Array Length 136.6


Source Array

Vibrator Type "4
Primary Array
No. of VibratorsY1100, Spacing Between Vibrators 1 m Source Moveup Between Sweeps WABCO m
1st Vibrator starts (relative to the flag) Y900" m Array Source Array Length 5 m
Backup Array
No. of Vibrators 22.9 Spacing Between Vibrators 7.6 m Source Moveup Between Sweeps -11.2 m
1st Vibrator starts (relative to the flag) 205.6 m Array Source Array Length 4 m