Special Event Log
Party :Monarch
Seq#: 115
Survey: 9269
Dir: 107.2
Client :ExxonMobil
FSP :2001
Line : G03A1664A115
LSP :4019
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: SE @ 10 Knots SEAS: 1.0 m. PITCH: 80%
EOL WEATHER: SE @ 10 Knots SEAS: 1.0 m. PITCH: 80%
DUMMY FILES : N/A
BOL NOISE FILE: 1 = 2 Hz.
2 = 8 Hz.
EOL NOISE FILE: 2047 = 2 Hz.
2048 = 8 Hz.
SPECIAL EVENTS:
PDLrt crashed at SP 2001
PDLrt reset at SP 2046
W60928 is a bad tape & not to be included in shipment
Gun 606 disbaled at SP 2046 due to sync error
Gun 307 disbaled at SP 2643 due to sync error-showing false autofire
SP 3061 Bird 9 cable 7 was deep with max depth 11.5m d/t sudden current change
SP 3120-3123 All cable power down
EXTERNAL NOISE FROM:
AHEAD : NIL
ASTERN: SP 2000 to EOL ship noise < 5uB.
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): 4.5 C(1): 3.6
C(2): 4.4 C(2): 3.4
C(3): 4.3 C(3): 3.3
C(4): 5.0 C(4): 3.8
C(5): 4.3 C(5): 3.2
C(6): 4.6 C(6): 3.5
C(7): 5.5 C(7): 4.4
---------------------------NAVIGATION ------------------------
3590 NAVIGATION TAPE NUMBER: G03A-P294-T08
P2 FILE USED: G03A1664A115.0.p294
NAVIGATION COMMENTS:
Dead at SOL
Float GPS: T7R01
Acoustics: S3T01, S7T07
V1T01 Ranges poor/unuseable
Compasses: S2C1, S7C1
NAVIGATION ONLINE COMMENTS:
Leakage on strm 1 affecting acoustic ranging on front end of strm1
SP 2822 - Hit by rip current causing separation to collapse momentarily (Strm 1-7 = 530m)
---------------NAVIGATION PROCESSING----------------
FSP: 2001
LSP: 4019
FEATHER ANGLES
MIN: -7.4
MAX: 5.6
PRIMARY NAVIGATION: Multifix 2 ( Vesref 3 ).
GYRO USED IN PROCESSING: Gyro 2.
ACOUSTICS NOT USED: 51101,52301,52707.
FANBEAM NOT USED:
GPS TARGETS NOT USED: 63205,64701.
COMPASSES NOT USED: 1101,1121,1201,1701.
SPECIAL COMMENTS:
rGPS 63205 deselected d/t Brg inaccurate and floating node.
Cable DI's Out : 1201,1701.
*********************LINE ACCEPTANCE***************************
*****(SIGNING IS ACCEPTANCE OF THE LINE)*****
NAVIGATION PROCESSING:_________________________________________________
QUALITY CONTROL_____________________________________________
SEISMIC PROCESSING__________________________________________
COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________
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