Special Event Log
Party :Monarch
Seq#: 112
Survey: 9269
Dir: 286.9
Client :ExxonMobil
FSP :3886
Line : G03A1888A112
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: W @ 5 Knots SEAS: 1 m. PITCH: 65%
EOL WEATHER: W @ 5 Knots SEAS: 1 m. PITCH: 70%
DUMMY FILES : na
BOL NOISE FILE: 1 = 2 Hz.
2 = 8 Hz.
EOL NOISE FILE: 2051 = 2 Hz.
2052 = 8 Hz.
SPECIAL EVENTS:
LGSP 2160 due to gun errors.
Missed SP 3365
Missed SP 2339
SPs 2115-2055 Guns #405 & #406 randon sync errors / misfires
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): 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): 2.7 C(1): 4.5
C(2): 2.4 C(2): 4.1
C(3): 2.5 C(3): 4.1
C(4): 2.4 C(4): 4.3
C(5): 2.2 C(5): 3.9
C(6): 2.2 C(6): 4.1
C(7): 2.7 C(7): 4.9
---------------------------NAVIGATION ------------------------
3590 NAVIGATION TAPE NUMBER: G03A-P294-T08
P2 FILE USED: G03A1888A112.0.p294
NAVIGATION COMMENTS:
Dead at SOL
Float GPS: T7R01
Acoustics: S3T01, S7T07
V1T01 Ranges poor/unuseable
Compasses: S2C1, S7C1
NAVIGATION ONLINE COMMENTS:
---------------NAVIGATION PROCESSING----------------
FSP: 3886
LSP: 2160
FEATHER ANGLES
MIN: -2.5
MAX: 10.3
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: 64701.
COMPASSES NOT USED: 1201,1701.
SPECIAL COMMENTS:
P294 files joined d/t Spectra outputting two files. SP's 2228-2227 ,2618 & 2615 missing in P294 file.
Dropout in Posnet Gyro data , comparison to Gyro 1 & 2 disabled.
*********************LINE ACCEPTANCE***************************
*****(SIGNING IS ACCEPTANCE OF THE LINE)*****
NAVIGATION PROCESSING:_________________________________________________
QUALITY CONTROL_____________________________________________
SEISMIC PROCESSING__________________________________________
COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________
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