COCORP ARIZONA 1

Start Date 1/2/86 End Date 1/18/86 Date of Startup 1/2/86
Contractor GEOSOURCE Crew Number 6834
COCORP Honcho ERNIE HAUSER Startup Supervisor STEVE GALLOW Surface Coverage 73.7km


PARAMETERS

Recording System MDS-10 No. of Channels 96 Geophone Group Spacing 100.1m Source Spacing 100.1m Source/Nearest Receiver Offset 4stations
Push/Pull PUSH Offend of Split OFFEND Noise Reject YES Vibrator Power 30&50% Stacking Fold 48
Sampling Interval 4 Antialias Filter 62.5hz Sweep Freq. Start 12hz Sweep Freq. End 48hz Sweep Duration 26seconds
Total Record Time 42seconds Correlated Record Length 16seconds Upsweep or Downsweep UP Number of Sweeps per VP 8 Notch Filter 60hz


Geophone Array

Geophone Type MD-100 Natural Frequency of Geophone 8hz Number of Geophones per Station 24
Spacing Between Geophone Elements 4.3m Weighting Scheme llllllllllllllllllllllll Total Geophone Array Length 98.1


Source Array

Vibrator Type FAILING Y1100'S
Primary Array
No. of Vibrators 5 Spacing Between Vibrators 30.5 m Source Moveup Between Sweeps 12.6 m
1st Vibrator starts (relative to the flag) 16.9 m Array Source Array Length 210.2 m
Backup Array
No. of Vibrators 4 Spacing Between Vibrators 30.5 m Source Moveup Between Sweeps 12.6 m
1st Vibrator starts (relative to the flag) 1.7 m Array Source Array Length 179.5 m