Special Event Log
Party :Monarch
Seq#: 61
Survey: 9269
Dir: 286.9
Client :ExxonMobil
FSP :3886
Line : G03A1008B061
LSP :3769
Comments
GENERAL SURVEY PARAMETERS: Gippsland Basin
RECORDING SYSTEM : MSX / CRS
STREAMERS : 8 X 5000 METERS
STREAMER SEPARATION: 100 METERS
TOTAL CHANNELS : 3200
RECORDING FILTERS
LOW CUT : 2 Hz/12 dB per oct.
HIGH CUT : 206 Hz/264 dB per oct.
STREAMER DEPTH : 9 METERS
RECORD LENGTH : 6.5 SECONDS
SHOT POINT INTERVAL: 18.75 METERS
GROUP INTERVAL : 12.5 METERS
SOURCE DEPTH : 8 METERS (DI s ARE 1 METER ABOVE THE GUN)
SOURCE VOLUME : 3000 CUBIC INCHES X 2
SOURCE SEPARATION : 50 METERS
CENTER OF SOURCE TO CABLE REFERENCE POINT: 206 METERS
CENTER OF SOURCE TO CABLE LAST GROUP : 5182 METERS
---------------------------------------------------------------
BOL WEATHER: WSW @ 15 Knots SEAS: 1.5 m. PITCH: 75%
EOL WEATHER: WSW @ 15 Knots SEAS: 1.5 m. PITCH: 75%
DUMMY FILES : 3-28
BOL NOISE FILE: 1 = 2 Hz.
2 = 8 Hz.
EOL NOISE FILE: 147 = 2 Hz.
148 = 8 Hz.
SPECIAL EVENTS:
Swell noise visible during the line.
Bird 5 cable 3 running shallow.
EXTERNAL NOISE FROM:
AHEAD : NIL
ASTERN: NIL
ABEAM : NIL
BAD BIRD DIs
C(1): NIL
C(2): NIL
C(3): NIL
C(4): NIL
C(5): NIL
C(6): 02 Reading Shallow
C(7): NIL
C(8): 21
BAD GUN DIs
GS(1): NIL
GS(2): NIL
GS(3): NIL
GS(4): NIL
GS(5): NIL
GS(6): NIL
GS(7): NIL
GS(8): NIL
BAD GUN PIs
GS(1): NIL
GS(2): NIL
GS(3): NIL
GS(4): NIL
GS(5): NIL
GS(6): NIL
GS(7): NIL
GS(8): NIL
BOL NOISE: EOL NOISE:
C(1): n/a C(1): 3.9
C(2): n/a C(2): 3.6
C(3): n/a C(3): 4.6
C(4): n/a C(4): 3.3
C(5): n/a C(5): 3.4
C(6): n/a C(6): 3.5
C(7): n/a C(7): 3.8
C(8): n/a C(8): 3.8
NO noise values at BOL d/t EVP Input Manager Problem.
---------------------------NAVIGATION ------------------------
3590 NAVIGATION TAPE NUMBER:
P2 FILE USED:
NAVIGATION COMMENTS:
---------------NAVIGATION PROCESSING----------------
FSP: 3886
LSP: 3769
FEATHER ANGLES
MIN: 3.9
MAX: 5.9
PRIMARY NAVIGATION: MFIX_2_Optus ( VESREF 3 )
GYRO USED IN PROCESSING: Gyro 2
ACOUSTICS NOT USED: 51101 52203 52301 52507
FANBEAM NOT USED:
GPS TARGETS NOT USED: 64101 64501 63203
COMPASSES NOT USED: 1201 1714 1801
SPECIAL COMMENTS:
Extra filter shots used due to short line length.
FGSP=3886, LGSP=3769.
No compass bias analysis due to short line length.
Cable DI out: 1801 1602 1201
DI's 1305, 1714 shallow, DI's 1418, 1805-1809 erratic.
Line processed backwards due to non-convergence at start of line.
*********************LINE ACCEPTANCE***************************
*****(SIGNING IS ACCEPTANCE OF THE LINE)*****
NAVIGATION PROCESSING:_________________________________________________
QUALITY CONTROL_____________________________________________
SEISMIC PROCESSING__________________________________________
COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________
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