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: E @ 30 Knots SEAS: 2.0 m. PITCH: 65%EOL WEATHER: E @ 25-30 Knots SEAS: 2.0 m. PITCH: 75%DUMMY FILES : N/A BOL NOISE FILE: 1 = 2 Hz. 2 = 8 Hz. EOL NOISE FILE: 2068 = 2 Hz. 2069 = 8 Hz.SPECIAL EVENTS:Swell noise affecting 5% of traces, increasing through line, affecting 5-8% of traces by SP 3550, approx 10% of traces at EOLEXTERNAL NOISE FROM:AHEAD : NILASTERN: SP 2800-2930 ship noise from astern moving to beam at approx. 10 micro barSP 3550-2750 ship noise from astern, 2500ms moveout, approx 10uB.ABEAM : NIL BAD BIRD DIsC(1): NILC(2): 1 deadC(3): NILC(4): 12 bad D.I. 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): 3.5 C(1): 5.1 C(2): 3.8 C(2): 5.6 C(3): 3.6 C(3): 6.6 C(4): 4.3 C(4): 5.8 C(5): 3.9 C(5): 5.8 C(6): 4.1 C(6): 6.2
C(7): 3.3 C(7): 4.7 |
---------------------------NAVIGATION ------------------------3590 NAVIGATION TAPE NUMBER: G03A-P294-T09P2 FILE USED: G03A1744X133.0.p294NAVIGATION COMMENTS: Dead at SOLFloat GPS: T7R01, T5R01, G1R03Acoustics: S3T03, S3T01, S7T07 V1T01 Ranges poor/unuseableCompasses: S2C1, S7C1NAVIGATION ONLINE COMMENTS:Experiencing low satellite number for all GPS system,causing Multifix 1 intermittentSP 3337 - Tailbuoy 2 dropout for a couple shotpoint
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---------------NAVIGATION PROCESSING----------------FSP: 2001LSP: 4019FEATHER ANGLESMIN: -12.9MAX: 4.6PRIMARY NAVIGATION: Multifix 2 ( Vesref 3 ).GYRO USED IN PROCESSING: Gyro 2.ACOUSTICS NOT USED: 51101,52301,52303,52707.FANBEAM NOT USED:GPS TARGETS NOT USED: 63103,63205,64501,64701.COMPASSES NOT USED: 1101,1201,1617,1701.SPECIAL COMMENTS:
Cable DI's Out : 1101,1201,1412,1701. |
*********************LINE ACCEPTANCE*************************** *****(SIGNING IS ACCEPTANCE OF THE LINE)*****NAVIGATION PROCESSING:_________________________________________________QUALITY CONTROL_____________________________________________SEISMIC PROCESSING__________________________________________COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________ |
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