Special Event Log
Party :Monarch
Seq#: 170
Survey: 9269
Dir: 287
Client :ExxonMobil
FSP :3886
Line : G03A2208B170
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: NE @ 20 Knots SEAS: 2.5 m. PITCH: 67%
EOL WEATHER: NE @ 20 Knots SEAS: 2.5 m. PITCH: 67%
DUMMY FILES : 2
BOL NOISE FILE: 1 = 2 Hz.
3 = 8 Hz.
EOL NOISE FILE: 2032 = 2 Hz.
2033 = 8 Hz.
SPECIAL EVENTS:
Bird 5-9 on Cable 7 were deep with max 12.5m from SP 3250-3210
SP3019-2961 TE6; power failure on Cable 6.
Bird 5-9 on Cable 7 were deep with max 12.5m from SP 2669-2650
EXTERNAL NOISE FROM:
AHEAD : NIL
ASTERN: SP 1950 ship noise < 3 uB. to EOL.
ABEAM : NIL
BAD BIRD DIs
C(1): NIL
C(2): 1 dead
C(3): 15 developed bad D.I. during line.
C(4): NIL
C(5): 14 disabled
C(6): NIL
C(7): 1 dead, 17 malfunction with no control
BAD GUN DIs
GS(1): NIL
GS(2): NIL
GS(3): NIL
GS(4): NIL
GS(5): 508 disabled BOL
GS(6): 607 disabled BOL
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): 4.8 C(1): 5.1
C(2): 4.1 C(2): 5.0
C(3): 4.0 C(3): 4.5
C(4): 2.2 C(4): 2.9
C(5): 2.6 C(5): 3.2
C(6): 2.6 C(6): 3.3
C(7): 3.3 C(7): 3.7
---------------------------NAVIGATION ------------------------
3590 NAVIGATION TAPE NUMBER: G03A-P294-T12
P2 FILE USED: G03A2208B170.0.p294
NAVIGATION COMMENTS:
Dead at SOL
Float GPS: T7R01
Acoustics: S3T01, S7T07
Compasses: S2C1, S7C1, S5C14
NAVIGATION ONLINE COMMENTS:
T2R01 occasionally dropping out
---------------NAVIGATION PROCESSING----------------
FSP: 3886
LSP: 1868
FEATHER ANGLES
MIN: -11.3
MAX: 7.1
PRIMARY NAVIGATION: multifix 2 (vesref 3)
GYRO USED IN PROCESSING: spectra gyro 2
ACOUSTICS NOT USED: 52301, 52707
GPS TARGETS NOT USED: 64201, 64701
COMPASSES NOT USED: 1201, 1514, 1610, 1701
SPECIAL COMMENTS:
*********************LINE ACCEPTANCE***************************
*****(SIGNING IS ACCEPTANCE OF THE LINE)*****
NAVIGATION PROCESSING:_________________________________________________
QUALITY CONTROL_____________________________________________
SEISMIC PROCESSING__________________________________________
COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________
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