Special Event Log
Party :Monarch
Seq#: 108
Survey: 9269
Dir: 286.9
Client :ExxonMobil
FSP :3886
Line : G03A1872A108
LSP :3201
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: WSW @ 15 Knots SEAS: 1.5 m. PITCH: 75%
EOL WEATHER: WSW @ 20 Knots SEAS: 2.0 m. PITCH: 75%
DUMMY FILES : 2
BOL NOISE FILE: 1 = 2 Hz.
3 = 8 Hz.
EOL NOISE FILE: 730 = 2 Hz.
731 = 8 Hz.
SPECIAL EVENTS: LGSP of line 3202 before turning offline d/t Helo operations.
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): 3.6 C(1): 2.7
C(2): 3.1 C(2): 2.5
C(3): 2.9 C(3): 2.5
C(4): 3.5 C(4): 2.9
C(5): 2.6 C(5): 2.9
C(6): 2.9 C(6): 3.9
C(7): 3.3 C(7): 4.4
---------------------------NAVIGATION ------------------------
3590 NAVIGATION TAPE NUMBER: G03A-P294-T08
P2 FILE USED: G03A1872A108.0.p294
NAVIGATION COMMENTS:
Dead at SOL
Float GPS: T7R01
Acoustics: S3T01, S7T07
V1T01 Ranges poor/unuseable
Compasses: S2C1, S7C1
NAVIGATION ONLINE COMMENTS:
Aborted the line due to helicopter operation.LGSP was
SP 3202.
---------------NAVIGATION PROCESSING----------------
FSP:3886
LSP: 3202
FEATHER ANGLES
MIN: 3.8
MAX: 6.2
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:64701,63205.
COMPASSES NOT USED:1101,1201,1701.
SPECIAL COMMENTS:
Cable DI's Out : 1201,1701.
Drop outs in Posnet Gyro comparison to Gyro 1 & 2 disabled.
rGPS 63205 deselected d/t erratic brg and floating node.
*********************LINE ACCEPTANCE***************************
*****(SIGNING IS ACCEPTANCE OF THE LINE)*****
NAVIGATION PROCESSING:_________________________________________________
QUALITY CONTROL_____________________________________________
SEISMIC PROCESSING__________________________________________
COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________
Return to Line List