Special Event Log
Party :Monarch
Seq#: 123
Survey: 9269
Dir: 107.2
Client :ExxonMobil
FSP :2001
Line : G03A1712A123
LSP :3829
Comments
GENERAL SURVEY PARAMETERS: Gippsland Basin
RECORDING SYSTEM : MSX / CRS
STREAMERS : 7 X 5000 METERS
STREAMER SEPARATION: 100 METERS
TOTAL CHANNELS : 2800
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: 126 METERS
CENTER OF SOURCE TO CABLE LAST GROUP : 5102 METERS
---------------------------------------------------------------
BOL WEATHER: WSW @ 30 Knots SEAS: 3 m. PITCH: 80%
EOL WEATHER: SW @ 20 Knots SEAS: 2.5 m. PITCH: 75%
DUMMY FILES : na
BOL NOISE FILE: 1 = 2 Hz.
2 = 8 Hz.
EOL NOISE FILE: N/A = 2 Hz.
N/A = 8 Hz.
SPECIAL EVENTS:
Swell noise present throughout line.
Gun 508 disabled sp 2104.
Birds 5 to 9 cable 7 unstable due to vane wash throughout line.
Birds 7 to 12 cable 1 light due to vane wash SP 2260 to 2330
* Early EOL d/t swell noise. * LINE DNPed *
EXTERNAL NOISE FROM:
AHEAD : NIL
ASTERN: NIL
ABEAM : NIL
BAD BIRD DIs
C(1): NIL
C(2): 1 dead
C(3): NIL
C(4): NIL
C(5): NIL
C(6): NIL
C(7): 1 dead
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): 6.0 C(1): X
C(2): 5.7 C(2): X
C(3): 7.7 C(3): X
C(4): 5.5 C(4): X
C(5): 6.3 C(5): X
C(6): 6.2 C(6): X
C(7): 6.0 C(7): X
---------------------------NAVIGATION ------------------------
3590 NAVIGATION TAPE NUMBER: G03A-P294-T09
P2 FILE USED: G03A1712A123.0.p294
NAVIGATION COMMENTS:
Dead at SOL
Float GPS: T7R01
Acoustics: S3T03, S3T01, S7T07
V1T01 Ranges poor/unuseable
Compasses: S2C1, S7C1
NAVIGATION ONLINE COMMENTS:
Shutdown the line at SP 3829 due to swell noise.All
data are NTBP.
---------------NAVIGATION PROCESSING----------------
FSP:
LSP:
FEATHER ANGLES
MIN:
MAX:
PRIMARY NAVIGATION:
GYRO USED IN PROCESSING:
ACOUSTICS NOT USED:
FANBEAM NOT USED:
GPS TARGETS NOT USED:
COMPASSES NOT USED:
SPECIAL COMMENTS:
*********************LINE ACCEPTANCE***************************
*****(SIGNING IS ACCEPTANCE OF THE LINE)*****
NAVIGATION PROCESSING:_________________________________________________
QUALITY CONTROL_____________________________________________
SEISMIC PROCESSING__________________________________________
COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________
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