COCORP HARDEMAN_CO.,_TEXAS 1

Start Date 3/18/75 End Date 3/23/75 Date of Startup 3/17/75
Contractor GEOSOURCE Crew Number 6834
COCORP Honcho J. OLIVER
Startup Supervisor S KAUFMAN Surface Coverage 168km


PARAMETERS

Recording System MDS-8 No. of Channels 48 Geophone Group Spacing 100.6m Source Spacing 201.2m Source/Nearest Receiver Offset 4stations
Push/Pull PULL Offend of Split OFFEND Noise Reject YES Vibrator Power ?????% Stacking Fold 12
Sampling Interval 8 Antialias Filter 31.25hz Sweep Freq. Start 10hz Sweep Freq. End 32hz Sweep Duration 15seconds
Total Record Time 30seconds Correlated Record Length 15seconds Upsweep or Downsweep UP Number of Sweeps per VP 16 Notch Filter 60hz


Geophone Array

Geophone Type ETL-EV22 Natural Frequency of Geophone 7.5hz Number of Geophones per Station 24
Spacing Between Geophone Elements 8.7m Weighting Scheme llllllllllllllllllllllll Total Geophone Array Length 201.2


Source Array

Vibrator Type 3_WABCO_Y1100,2_WABCO_Y900
Primary Array
No. of Vibrators5 Spacing Between Vibrators 18.3 m Source Moveup Between Sweeps 6.1 m
1st Vibrator starts (relative to the flag) -30 m Array Source Array Length 540 m
Backup Array
No. of Vibrators 4 Spacing Between Vibrators 0 m Source Moveup Between Sweeps 0 m
1st Vibrator starts (relative to the flag) 0 m Array Source Array Length 0 m