COCORP COALINGA,_CAL. 3

Start Date 6/8/77 End Date 6/11/07 Date of Startup ?/?/?
Contractor CGG Crew Number 4802
COCORP Honcho GEORGE LONG
Startup Supervisor NO ONE Surface Coverage 18.4km


PARAMETERS

Recording System SERCEL338B No. of Channels 48 Geophone Group Spacing 134.1m Source Spacing 134.1m Source/Nearest Receiver Offset 4stations
Push/Pull PUSH Offend of Split OFFEND Noise Reject YES Vibrator Power ?????% Stacking Fold 24
Sampling Interval 8 Antialias Filter 31.25hz Sweep Freq. Start 10hz Sweep Freq. End 32hz Sweep Duration 24seconds
Total Record Time 48seconds Correlated Record Length 24seconds Upsweep or Downsweep UP Number of Sweeps per VP 16 Notch Filter 10hz


Geophone Array

Geophone Type GSC_20D Natural Frequency of Geophone 8hz Number of Geophones per Station 36
Spacing Between Geophone Elements 5.7m Weighting Scheme LINEAR Total Geophone Array Length 201.2


Source Array

Vibrator Type MERTZ
Primary Array
No. of Vibrators6 Spacing Between Vibrators 2 m Source Moveup Between Sweeps 8.4 m
1st Vibrator starts (relative to the flag) -13 m Array Source Array Length 226 m
Backup Array
No. of Vibrators 5 Spacing Between Vibrators 2 m Source Moveup Between Sweeps 8.4 m
1st Vibrator starts (relative to the flag) -23 m Array Source Array Length 206 m