Table
T11. Acquisition parameters for multichannel
seismic surveys used to establish the regional seismic
stratigraphy in the western Great Australian Bight.
Line
name prefix:
E79A-
JA90-
S169/
Source:
32
air guns
64
sleeve air guns
3
(6) GI air guns
Volume:
1450
in3
2180
in3
450
(900) in3
Shot
interval:
25
m
25
m
12.5
(25) m
Sample
rate:
4
ms
4
ms
1
ms
Record
length:
6 s
6 s
3.5
(8.5) s
Cable
length:
2400
m
3000
m
1000
m
Cable
offset:
240
m
200
m
69.9
m
Number
of groups:
48
240
80
Group
interval:
50
m
12.5
m
12.5
(25) m
CDP
interval:
25
m
6.25
m
6.25
(12.5) m
Fold
coverage:
48
60
40
(20)
Notes: Survey abbreviations: ESSO = Esso Australia; JNOC = Japan National Oil Corporation; AGSO = Australian Geological Survey Organisation; GI = generator-injector; CDP = common depth point. The parameters applied during deep-water components of AGSO Survey 169 (Lines S169/08 to S169/12) are shown in parentheses.