COCORP UTAH 4

Start Date 10/21/82 End Date 11/22/82 Date of Startup ?/?/?
Contractor GEOSOURCE Crew Number 6834
COCORP Honcho R ALLMENDINGER
Startup Supervisor No One Surface Coverage 76.4km


PARAMETERS

Recording System MDS-10 No. of Channels 96 Geophone Group Spacing 100.6m Source Spacing 100.6m Source/Nearest Receiver Offset 4stations
Push/Pull PULL Offend of Split OFFEND Noise Reject YES Vibrator Power ?????% Stacking Fold 48
Sampling Interval 8 Antialias Filter 31.25hz Sweep Freq. Start 8hz Sweep Freq. End 32hz Sweep Duration 32seconds
Total Record Time 52seconds Correlated Record Length 20seconds Upsweep or Downsweep UP Number of Sweeps per VP 8 Notch Filter 60hz


Geophone Array

Geophone Type ETL-EV_22B Natural Frequency of Geophone 7.5hz 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 WABCO_Y1100
Primary Array
No. of Vibrators5 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) 1.6 m Array Source Array Length 179.7 m