Transect: Abitibi Grenville

Processed By: SP Seismic Data Processors Ltd.
Date Processed: August 1991

Line 40-1 Migrated Stack

Location: Sudbury
Shot Points: 101-516

No. Processing History Line 40-1
1 Format Conversion Yes

Record Length
4 s

Sample Interval
0.002 s
2 Crooked Spread Geometry Yes
3 Pre-Deconvolution Corrections Yes

Maximum Perpendicular Offset
No limit

Geophone Phase Compensation
Yes
4 Deconvolution Spiking

Pre-Whitening
1%

Operator Length
0.08 s

Near Offset Application Window
0.3-3.3 s

Far Offset Application Window
0.9-3.5 s
5 Pre-Filter Editing Trace edit
6 Bandpass Filter Out
7 Amplitude Compensation AGC

Window
0.2 s
8 Elevation Statics Yes

Datum
400 m ASL

Replacement Velocity
6000 m/s
9 Weathering Statics Yes

Weathering Velocity
1500 m/s
10 NMO Corrections Yes
11 Mute Yes

Offset/Time
(190 m: 0 s); (200 m: 0.15 s); (2400 m: 0.8 s)
12 CDP Trim Statics Yes

Window
0.25-3 s

Maximum Shift
0.020 s
13 CDP Stacking 120 fold
14 Pre-Scaling Filter Bandpass

Time Variant
Yes

Time/Pass Band
(0-1 s: 35,40,130,135 Hz); (1-4 s: 25,30,120,125 Hz)
15 Scaling Multiple gate AGC

Time/Window
(0-1 s: 0.3 s); (1-4 s: 1 s)
16 Migration FK migration

Velocity
6000 m/s

Other Formats Processed Comments
Structure Stack Yes
DMO Stack No