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: WNW @ 5 Knots SEAS: 0.5 m. PITCH: 70%EOL WEATHER: WNW @ 5 Knots SEAS: 1.0 m. PITCH: 70%DUMMY FILES : BOL NOISE FILE: 1 = 2 Hz. 2 = 8 Hz. EOL NOISE FILE: 2018 = 2 Hz. 2019 = 8 Hz.SPECIAL EVENTS:Navigation lockup from SPs 3553-3524Early EOL d/t Nav LGSP 1887SP 2821 - 2793 inclusive NTBP due to gun errors.EXTERNAL NOISE FROM:AHEAD : NILASTERN: NILSP 2560 - 2261, shipnoise from astern, 2400ms moveout, approx. 8uB RMSSP 2260 - 2060, shipnoise from astern, 2400ms moveout, approx. 15uB RMSSP 2059 - 1900, shipnoise from astern, 2400ms moveout, approx. 8uB RMSABEAM : NIL BAD BIRD DIsC(1): NILC(2): 1 deadC(3): NILC(4): NIL C(5): NILC(6): NILC(7): 1 deadBAD GUN DIsGS(1): NILGS(2): NILGS(3): NILGS(4): NILGS(5): NILGS(6): NILGS(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): 3.4 C(1): 2.1 C(2): 3.3 C(2): 2.1 C(3): 2.9 C(3): 1.9 C(4): 2.8 C(4): 1.9 C(5): 2.7 C(5): 1.7 C(6): 2.7 C(6): 1.8
C(7): 3.2 C(7): 2.0 |
---------------------------NAVIGATION ------------------------3590 NAVIGATION TAPE NUMBER: G03A-P294-T08P2 FILE USED: G03A1904A116.0.p294NAVIGATION COMMENTS: Dead at SOLFloat GPS: T7R01Acoustics: S3T01, S7T07 V1T01 Ranges poor/unuseableCompasses: S2C1, S7C1NAVIGATION ONLINE COMMENTS:sp 3553-2524 RTNU locked up, reset.04:49 to 05:30 Skyfix corrections of the air
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---------------NAVIGATION PROCESSING----------------FSP: 3886LSP: 1887FEATHER ANGLESMIN: -3.7MAX: 4.5PRIMARY NAVIGATION: Posnet 2 ( Vesref 2 ).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:Posnet 2 is prime navigation d/t dropout in Multfix 1 & 2.Missed SP's 3553 - 3524 d/t RTNU lockup.
Cable DI's Out: 1201,1701. |
*********************LINE ACCEPTANCE*************************** *****(SIGNING IS ACCEPTANCE OF THE LINE)*****NAVIGATION PROCESSING:_________________________________________________QUALITY CONTROL_____________________________________________SEISMIC PROCESSING__________________________________________COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________ |
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