Special Event Log
Party :Monarch
Seq#: 156
Survey: 9269
Dir: 286.9
Client :ExxonMobil
FSP :2690
Line : G03A1808L156
LSP :1868
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 @ 15 Knots SEAS: 1.5 m. PITCH: 65%
EOL WEATHER: WSW @ 15 Knots SEAS: 1.5 m. PITCH: 70%
DUMMY FILES : N/A
BOL NOISE FILE: 1 = 2 Hz.
2 = 8 Hz.
EOL NOISE FILE: 859 = 2 Hz.
860 = 8 Hz.
SPECIAL EVENTS: Infill from SP 2690-2265
Reshoot from SP 2264-1868 ( Reshoot of Seq #153 )
Cable #7 birds 1-5 at 10.5 m from SPs 2015-EOL
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): #607 is disabled
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): 4.4 C(1): 3.2
C(2): 4.2 C(2): 2.9
C(3): 3.4 C(3): 2.5
C(4): 3.5 C(4): 2.2
C(5): 4.4 C(5): 2.0
C(6): 3.7 C(6): 1.9
C(7): 4.4 C(7): 2.4
Slight turn in tail of cables during BOL noise file.
---------------------------NAVIGATION ------------------------
3590 NAVIGATION TAPE NUMBER: G03A-P294-T10
P2 FILE USED: G03A1808L156.0.p294
NAVIGATION COMMENTS:
Dead at SOL
Float GPS: T7R01, T2R01, T4R01
Acoustics: S3T01, S7T07
Compasses: S2C1, S7C1, S5C14
NAVIGATION ONLINE COMMENTS:
Gunstring 4 was intermittent on SOL and going to be
steady on the middle of the line up to EOL.
---------------NAVIGATION PROCESSING----------------
FSP: 2707
LSP: 1868
FEATHER ANGLES
MIN: -4.8
MAX: 20.9
PRIMARY NAVIGATION: Multifix 2 (vesref 3)
GYRO USED IN PROCESSING: spectra gyro 2
ACOUSTICS NOT USED: 52301, 52707
FANBEAM NOT USED:
GPS TARGETS NOT USED: 63107, 64201, 64401, 64701
COMPASSES NOT USED: 1109 1201 1610 1701
SPECIAL COMMENTS:
SOL Sharp turn on to line d/t steering for infill causing turn in tail of all streamers max Wstat 3.6.
*********************LINE ACCEPTANCE***************************
*****(SIGNING IS ACCEPTANCE OF THE LINE)*****
NAVIGATION PROCESSING:_________________________________________________
QUALITY CONTROL_____________________________________________
SEISMIC PROCESSING__________________________________________
COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________
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