Special Event Log
Party :Monarch
Seq#: 33
Survey: 9269
Dir: 107.1
Client :ExxonMobil
FSP :2622
Line : G03A1360A033
LSP :4019
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: ESE @ 13 Knots SEAS: 1.25 m. PITCH: 75%
EOL WEATHER: E @ 24 Knots SEAS: 1.5 m. PITCH: 80%
DUMMY FILES : 3-41
BOL NOISE FILE: 1 = 2 Hz.
2 = 8 Hz.
EOL NOISE FILE: 1440 = 2 Hz.
1441 = 8 Hz.
SPECIAL EVENTS:
Random swell noise on streamers
Near offsets of streamers 1 & 8 intermittent depth errors.
Gun depths erratic d/t sea state
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): 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): 4.5 C(1): 4.8
C(2): 4.4 C(2): 4.7
C(3): 4.1 C(3): 3.9
C(4): 4.4 C(4): 4.2
C(5): 4.6 C(5): 4.3
C(6): 4.3 C(6): 3.9
C(7): 5.6 C(7): 4.3
C(8): 4.9 C(8): 4.0
---------------------------NAVIGATION ------------------------
3590 NAVIGATION TAPE NUMBER: G03A-P294-T01
P2 FILE USED: G03A130A033.0.p294
NAVIGATION COMMENTS:
See Nav Log
---------------NAVIGATION PROCESSING----------------
FSP: 2622
LSP: 4019
FEATHER ANGLES
MIN: -1.5
MAX: 3.3
PRIMARY NAVIGATION: MFIX_2_Optus ( VESREF 3 )
GYRO USED IN PROCESSING: Gyro 2
ACOUSTICS NOT USED: 51101 53102 52203 52507 52703 52704
FANBEAM NOT USED:
GPS TARGETS NOT USED: 64101 64501 63103 63205
COMPASSES NOT USED: 1801
SPECIAL COMMENTS:
DI's 1105-1112 erratic, DI 1204 deep, DI's 1805-1809 erratic.
PosNet 2 jump and drift during line.
CNav 1 & 2 dropout from 3985 to end of line, interpolated.
*********************LINE ACCEPTANCE***************************
*****(SIGNING IS ACCEPTANCE OF THE LINE)*****
NAVIGATION PROCESSING:_________________________________________________
QUALITY CONTROL_____________________________________________
SEISMIC PROCESSING__________________________________________
COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________
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