Special Event Log
Party :Monarch
Seq#: 142
Survey: 9269
Dir: 107.2
Client :ExxonMobil
FSP :2001
Line : G03A1776A142
LSP :4019
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: SW @ 14 Knots SEAS: 1.0 m. PITCH: 70%
EOL WEATHER: SW @ 20 Knots SEAS: 2.5 m. PITCH: 70%
DUMMY FILES : 3-106
BOL NOISE FILE: 1 = 2 Hz.
2 = 8 Hz.
EOL NOISE FILE: 1977 = 2 Hz.
1978 = 8 Hz.
SPECIAL EVENTS:
FGSP 2149 of line d/t dolphins.
Tape W61155 contains no data d/t skipped tape drive. Not included in shipment.
Turn noise on cables d/t current change approximately from sp's 2350-2450. See final edits on edit page.
Cable #7 birds 4-10 deep at 12 meters max. on SPs 3595-3625
Cable #7 birds 5-8 deep at 11 meters max. on SPs 3625-3639
Birds on Cable #7 depth back in spec on SP 3640
Cable #7 birds 5-8 deep at 11 meters max. on SPs 3915-3929
Cable #7 birds 6-8 deep at 11 meters max on SPs 3930-3954
Birds on Cable #7 depth back in spec on SP 3955
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): 2.4 C(1): 2.8
C(2): 2.2 C(2): 2.6
C(3): 2.2 C(3): 2.6
C(4): 1.8 C(4): 2.3
C(5): 1.8 C(5): 2.6
C(6): 1.8 C(6): 2.1
C(7): 2.6 C(7): 2.8
---------------------------NAVIGATION ------------------------
3590 NAVIGATION TAPE NUMBER: G03A-P294-T10
P2 FILE USED: G03A1776A142.0.p294
NAVIGATION COMMENTS:
Dead at SOL
Float GPS: T7R01,T2R01
Acoustics: S3T01, S7T07
Compasses: S2C1, S7C1
NAVIGATION ONLINE COMMENTS:
Late SOL due to dolphins within 500m radius from guns.
FGSP was 2149.(Expected SOL was 00:11)
---------------NAVIGATION PROCESSING----------------
FSP: 2149
LSP: 4019
FEATHER ANGLES
MIN: -3.9
MAX: 15.2
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: 64201,64701.
COMPASSES NOT USED: 1201,1701.
SPECIAL COMMENTS:
Cable DI's Out: 1201,1701.
CABLE 1 DELETED USING P4CD CARD IN UNAVCHK D/T BIRD LINE LEAKAGE. ACTUAL CABLES USED ARE 2 - 7.
FGSP 2149 d/t Dolphins.
Poor acoustic ranges for Cable 4 front network d/t streamer leakage.
*********************LINE ACCEPTANCE***************************
*****(SIGNING IS ACCEPTANCE OF THE LINE)*****
NAVIGATION PROCESSING:_________________________________________________
QUALITY CONTROL_____________________________________________
SEISMIC PROCESSING__________________________________________
COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________
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