Special Event Log
Party :Monarch
Seq#: 205
Survey: 9269
Dir: 107.2
Client :ExxonMobil
FSP :2001
Line : G03A1744J205
LSP :2234
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: ESE @ 15 Knots SEAS: 1.5 m. PITCH: 78%
EOL WEATHER: ESE @ 15 Knots SEAS: 1.5 m. PITCH: 78%
DUMMY FILES : 3-78
BOL NOISE FILE: 1 = 2 Hz.
2 = 8 Hz.
EOL NOISE FILE: 312 = 2 Hz.
313 = 8 Hz.
SPECIAL EVENTS: Infill
Traces 1-160 Edited on cable 1 d/t depth (lost Techno Float)
Swell burst on random traces,. Cable 4,5,6 worst affected.
Streamer 1 Edited not needed for coverage.
Streamers 2-7 traces 1-200 (nears / near-mids) edited Not required for
Coverage.
EXTERNAL NOISE FROM:
AHEAD : NIL
ASTERN: NIL
ABEAM : NIL
BAD BIRD DIs
C(1): NIL
C(2): 1 dead
C(3): 15 DI
C(4): NIL
C(5): 14 polling disabled
C(6): NIL
C(7): 1 dead
BAD GUN DIs
GS(1): NIL
GS(2): 202
GS(3): NIL
GS(4): NIL
GS(5): NIL
GS(6): 608
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): 6.8 C(1): n/a
C(2): 5.7 C(2): n/a
C(3): 5.5 C(3): n/a
C(4): 4.7 C(4): n/a
C(5): 8.6 C(5): n/a
C(6): 5.4 C(6): n/a
C(7): 5.5 C(7): n/a
---------------------------NAVIGATION ------------------------
3590 NAVIGATION TAPE NUMBER: G03A-P294-T15
P2 FILE USED: G03A1744J205
NAVIGATION COMMENTS:
Dead at SOL
Float GPS: T7R01, T6R01, T2R01
Acoustics: S3T01, S7T07
Compasses: S2C1, S7C1
NAVIGATION ONLINE COMMENTS:
Gunstrings 2 and 4 intermittent GPS
---------------NAVIGATION PROCESSING----------------
FSP:2067
LSP:2230
FEATHER ANGLES
MIN:2.4
MAX:12.3
PRIMARY NAVIGATION:MFIX_2_Optus ( VESREF 3 )
GYRO USED IN PROCESSING:Gyro 2
ACOUSTICS NOT USED:52301 52707
GPS TARGETS NOT USED:64201 64501 64701 63107
COMPASSES NOT USED:1201 1514 1701
SPECIAL COMMENTS:
No compass bias analysis due to short line length.
Cable DI out: 1701 1514 1201
Cable 1 DI's 1101-1108 deep during line due to lost techno float.
Large movment during line. Processed with iterating Kalman filter.
TriNav GPS bad during line.
Corrupt ephemeris data during line.
*********************LINE ACCEPTANCE***************************
*****(SIGNING IS ACCEPTANCE OF THE LINE)*****
NAVIGATION PROCESSING:_________________________________________________
QUALITY CONTROL_____________________________________________
SEISMIC PROCESSING__________________________________________
COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________
Return to Line List