Special Event Log
Party :Monarch
Seq#: 12
Survey: 9269
Dir: 286.9
Client :ExxonMobil
FSP :3886
Line : G03A1200A012
LSP :3056
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: SW @ 22 Knots SEAS: 2.5 m. PITCH: 80%
EOL WEATHER: SW @ 30 Knots SEAS: 3 m. PITCH: 80%
DUMMY FILES : 2, 5-55
BOL NOISE FILE: 3 = 2 Hz.
4 = 8 Hz.
EOL NOISE FILE: 887 = 2 Hz.
888 = 8 Hz.
SPECIAL EVENTS: LAST GOOD SP 3400 D/T EXCESSIVE SWELL BURSTS
Ship Noise on Streamers Sp's 3886-3824
Gun DI's are erratic d/t weather SW @ 20Knts 2.5m Seas
Bird 8 Streamer 6 running deep.
Sea Noise on Straemers WX Force 7, Seas 2-3m.
EXTERNAL NOISE FROM:
AHEAD : NIL
ASTERN: NIL
ABEAM : NIL
BAD BIRD DIs
C(1): NIL
C(2): NIL
C(3): NIL
C(4): 02
C(5): NIL
C(6): NIL
C(7): NIL
C(8): NIL
BAD GUN DIs
GS(1): NIL
GS(2): 207
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): X C(1): X
C(2): X C(2): X
C(3): X C(3): X
C(4): X C(4): X
C(5): X C(5): X
C(6): X C(6): X
C(7): X C(7): X
C(8): X C(8): X
---------------------------NAVIGATION ------------------------
3590 NAVIGATION TAPE NUMBER: G03A-P294-T01
P2 FILE USED: G03A1200A012.0.p294
NAVIGATION COMMENTS:
See Nav Log
---------------NAVIGATION PROCESSING----------------
FSP:3886
LSP:3400
FEATHER ANGLES
MIN:.5
MAX:4.5
PRIMARY NAVIGATION:MFIX_2_Optus ( VESREF 3 )
GYRO USED IN PROCESSING:Gyro 2
ACOUSTICS NOT USED:51101 53102 52203 52703 52704
FANBEAM NOT USED:
GPS TARGETS NOT USED:64501
rGPS targets noisy due to weather conditions.
COMPASSES NOT USED:1201 1701
Compasses noisy due to weather conditions.Many compases (mostly tail) with high bias due to extreme weather.
SPECIAL COMMENTS:
Noisy line due to sea state.
*********************LINE ACCEPTANCE***************************
*****(SIGNING IS ACCEPTANCE OF THE LINE)*****
NAVIGATION PROCESSING:_________________________________________________
QUALITY CONTROL_____________________________________________
SEISMIC PROCESSING__________________________________________
COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________
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