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: Variable @ 3 Knots SEAS: 1.0 m. PITCH: 63%EOL WEATHER: Variable @ 3 Knots SEAS: 1.0 m. PITCH: 63%DUMMY FILES : 3-38, 728-737BOL NOISE FILE: 1 = 2 Hz. NA = 8 Hz. EOL NOISE FILE: 1574 = 2 Hz. 1575 = 8 Hz.SPECIAL EVENTS:BOL noise at 8Hz not recorded on tape.Gun 707 disable at BOL d/t deep.FGSP 3849 d/t Gun Separations String 4LGSP 3161 d/t whalesContinue shooting at SP 2703. Clear of whales.EXTERNAL NOISE FROM:AHEAD : NILASTERN: NILABEAM : NIL BAD BIRD DIsC(1): NILC(2): 1 deadC(3): 15 bad DIC(4): NIL C(5): 14 polling disabledC(6): NILC(7): 1 deadBAD GUN DIsGS(1): NILGS(2): 202GS(3): NILGS(4): NILGS(5): NILGS(6): 608GS(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): 5.5 C(1): 6.4 C(2): 4.7 C(2): 5.6 C(3): 4.4 C(3): 5.2 C(4): 2.7 C(4): 3.6 C(5): 2.6 C(5): 3.8 C(6): 3.2 C(6): 3.9
C(7): 3.6 C(7): 4.4 |
---------------------------NAVIGATION ------------------------3590 NAVIGATION TAPE NUMBER: G03A-P294-T12P2 FILE USED: G03A2192K183.0.p294NAVIGATION COMMENTS: Dead at SOLFloat GPS: T7R01, T2R01Gun GPS: G2R05Acoustics: S3T01, S7T07 Compasses: S2C1, S7C1NAVIGATION ONLINE COMMENTS:Gun String #2 & #4 are intermittent.
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---------------NAVIGATION PROCESSING----------------FSP: 3849LSP: 1868FEATHER ANGLESMIN: -.2MAX: -10.0PRIMARY NAVIGATION: MFIX_2_OptusGYRO USED IN PROCESSING: Gyro 2ACOUSTICS NOT USED: 52301 52707GPS TARGETS NOT USED: 64201 64701 63107 63205COMPASSES NOT USED: 1201 1514 1610 1701SPECIAL COMMENTS:FGSP 3849 due to gunstring seps.Seismic recording gap for shotpoints 3160-2704 due to whales.PosNet gyro deselected (no data).Gunstring 2 rGPS intermittent. Gunstring 4 deselected due to dropout.Cable DI out: 1201 1514 1701DI's 1204-1206, 1218-1219, 1319, 1419, 1606, 1702-1710 erratic.Gun depths interpolated during seismic recording gap.MultiFix 1 dropout during line.TriNav GPS bad during line.Some high DOP's and low sat #'s during line.Good position comparisions between PosNet, CNav andf Multifix 2.
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*********************LINE ACCEPTANCE*************************** *****(SIGNING IS ACCEPTANCE OF THE LINE)*****NAVIGATION PROCESSING:_________________________________________________QUALITY CONTROL_____________________________________________SEISMIC PROCESSING__________________________________________COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________ |