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: SW @ 10 Knots SEAS: 0.5 m. PITCH: 70%EOL WEATHER: SW @ 10 Knots SEAS: 0.5 m. PITCH: 70X%DUMMY FILES : 1-2, 1433BOL NOISE FILE: 3 = 2 Hz. 4 = 8 Hz. EOL NOISE FILE: 1431 = 2 Hz. 1432 = 8 Hz.SPECIAL EVENTS:Line shot as 2 infill runs.Cable 1 bird data not present, cable 1 not used in coverageEXTERNAL NOISE FROM:AHEAD : NILASTERN: Ship noise from astern, 2500ms moveout, 5-10uB RMS SP 3960-EOLABEAM : 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): 4.6 C(1): 6.8 C(2): 3.9 C(2): 6.7 C(3): 3.8 C(3): 6.7 C(4): 3.2 C(4): 6.2 C(5): 3.7 C(5): 6.7 C(6): 3.3 C(6): 6.8 C(7): 3.8 C(7): 7.6
Ship noise on EOL noise record |
---------------------------NAVIGATION ------------------------3590 NAVIGATION TAPE NUMBER: G03A-P294-T10P2 FILE USED: G03A1344J135NAVIGATION COMMENTS: Dead at SOLFloat GPS: T7R01Acoustics: S3T01, S7T07 V1T01 Ranges poor/unuseableCompasses: S2C1, S7C1NAVIGATION ONLINE COMMENTS:Coil line leakage affecting streamer 1, not used.Coil line leakage also afecting the front of streamer 4 intermittently. First infill part SP's 2262-3180 and 2nd part was SP's 3345-4019.
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---------------NAVIGATION PROCESSING----------------FSP: 2662LSP: 4019FEATHER ANGLESMIN: 3.1MAX: 11.9PRIMARY NAVIGATION: Multifix 2 (vesref 3)GYRO USED IN PROCESSING: Spectra gyro 2ACOUSTICS NOT USED: 51101, 52301, 52707FANBEAM NOT USED:GPS TARGETS NOT USED: 64701COMPASSES NOT USED: 1201, 1701SPECIAL COMMENTS:CABLE 1 DELETED IN UNAVCHK D/T CABLE LEAKAGE . CABLES ARE NAMED 1 - 6 INUNAVCHK WHICH ARE CABLES 2 - 7.
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*********************LINE ACCEPTANCE*************************** *****(SIGNING IS ACCEPTANCE OF THE LINE)*****NAVIGATION PROCESSING:_________________________________________________QUALITY CONTROL_____________________________________________SEISMIC PROCESSING__________________________________________COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________ |