GENERAL SURVEY PARAMETERS: Gippsland BasinRECORDING SYSTEM : MSX / CRS STREAMERS : 7 X 5000 METERS STREAMER SEPARATION: 100 METERS TOTAL CHANNELS : 2800RECORDING 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 SECONDSSHOT POINT INTERVAL: 18.75 METERSGROUP INTERVAL : 12.5 METERSSOURCE DEPTH : 8 METERS (DI s ARE 1 METER ABOVE THE GUN)SOURCE VOLUME : 3000 CUBIC INCHES X 2SOURCE SEPARATION : 50 METERSCENTER OF SOURCE TO CABLE REFERENCE POINT: 126 METERSCENTER OF SOURCE TO CABLE LAST GROUP : 5102 METERS---------------------------------------------------------------BOL WEATHER: light @ 0 Knots SEAS: 1 m. PITCH: 67%EOL WEATHER: light @ 0 Knots SEAS: 1 m. PITCH: 70%DUMMY FILES : 45-144 BOL NOISE FILE: 1 = 2 Hz. 2 = 8 Hz. EOL NOISE FILE: 1837 = 2 Hz. 1838 = 8 Hz.SPECIAL EVENTS:Gun 706 disabled @ BOL,air leak.SP 3072 LGSP before whale sighting.SP 2726 FGSP of restart. D.N.P. SP 3071 to 2727.Sp 2520 Bird 15 cable 3 developed bad DICross current noise affecting all cable from SP 2300-SP 2070.See edit page for details.EXTERNAL NOISE FROM:AHEAD : NILASTERN: NILABEAM : NIL BAD BIRD DIsC(1): NILC(2): 1 deadC(3): 4 bad D.I.C(4): 12 bad D.I. C(5): 11 bad D.I.C(6): NILC(7): 1 deadBAD GUN DIsGS(1): NILGS(2): NILGS(3): NILGS(4): NILGS(5): NILGS(6): BOL 601 disabled showing 8 meters.GS(7): NIL
GS(8): NIL
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BAD GUN PIsGS(1): NIL GS(2): NILGS(3): NIL GS(4): NILGS(5): NILGS(6): NIL GS(7): NIL GS(8): NILBOL NOISE: EOL NOISE: C(1): 3.6 C(1): 4.4 C(2): 2.9 C(2): 4.4 C(3): 3.0 C(3): 4.5 C(4): 2.5 C(4): 4.3 C(5): 3.0 C(5): 4.8 C(6): 3.0 C(6): 5.0
C(7): 3.6 C(7): 5.5 |
---------------------------NAVIGATION ------------------------3590 NAVIGATION TAPE NUMBER: G03A-P294-T10P2 FILE USED: G03A1824A134.0.p294NAVIGATION COMMENTS: Dead at SOLFloat GPS: T7R01Acoustics: S2T03, S3T01, S7T07 V1T01 Ranges poor/unuseableCompasses: S2C1, S7C1NAVIGATION ONLINE COMMENTS:Coil line leakage also affecting tail of strm 5 after SP 2720Affected by sudden change in current at SP 2315. Moving to port to compensate but leaving holes of grp 1
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---------------NAVIGATION PROCESSING----------------FSP: 3886LSP: 1868FEATHER ANGLESMIN: -16.0MAX: 0.4PRIMARY NAVIGATION: Multifix 2 ( Vesref 3 ).GYRO USED IN PROCESSING: Gyro 2.ACOUSTICS NOT USED: 51101,52707,52301.FANBEAM NOT USED:GPS TARGETS NOT USED: 64301,64701.COMPASSES NOT USED: 1101,1201,1617,1701.SPECIAL COMMENTS:Cable DI's Out : 1101,1201,1304,1412,1511,1701.Seismic Gap d/t whales SP's 3071 - 2727.Tail acoustic ranges poor for cable 5. SP's 2852 - 2123 no ranges between cable 4 & 5 in tail net.BOL - sp 2974 no data for rGPS tailbuoy 2.
Strong current toward EOL causing large movement in tailnet. |
*********************LINE ACCEPTANCE*************************** *****(SIGNING IS ACCEPTANCE OF THE LINE)*****NAVIGATION PROCESSING:_________________________________________________QUALITY CONTROL_____________________________________________SEISMIC PROCESSING__________________________________________COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________ |
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