COCORP NEVADA 8

Start Date 10/24/84 End Date 12/1/84 Date of Startup 10/24/84
Contractor GEOSOURCE Crew Number 6834
COCORP Honcho TOM HAUGE
Startup Supervisor No One Surface Coverage 160km


PARAMETERS

Recording System MDS-10 No. of Channels 96 Geophone Group Spacing 100.6m Source Spacing 100.6m Source/Nearest Receiver Offset 3stations
Push/Pull PUSH Offend of Split OFFEND Noise Reject YES Vibrator Power 50% Stacking Fold 48
Sampling Interval 8 Antialias Filter 31.25hz Sweep Freq. Start 8hz Sweep Freq. End 32hz Sweep Duration 32seconds
Total Record Time 48seconds Correlated Record Length 16seconds Upsweep or Downsweep UP Number of Sweeps per VP 4 Notch Filter 60hz


Geophone Array

Geophone Type MD100 Natural Frequency of Geophone 8hz Number of Geophones per Station 24
Spacing Between Geophone Elements 4.2m Weighting Scheme llllllllllllllllllllllll Total Geophone Array Length 100.6


Source Array

Vibrator Type 4_WABCO_Y1100,_1_WABCO_Y900
Primary Array
No. of Vibrators5 Spacing Between Vibrators 30.5 m Source Moveup Between Sweeps 25.2 m
1st Vibrator starts (relative to the flag) 23.2 m Array Source Array Length 197.6 m
Backup Array
No. of Vibrators 4 Spacing Between Vibrators 30.5 m Source Moveup Between Sweeps 25.2 m
1st Vibrator starts (relative to the flag) 7.9 m Array Source Array Length 167.1 m