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: SE @ 15 Knots SEAS: 1.5 m. PITCH: 65%EOL WEATHER: SE @ 15 Knots SEAS: 1.5 m. PITCH: 65%DUMMY FILES : N/ABOL NOISE FILE: 1 = 2 Hz. 2 = 8 Hz. EOL NOISE FILE: 2061 = 2 Hz. 2062 = 8 Hz.SPECIAL EVENTS:Swell noise affecting 5% of traces on cables 1-3, decreasing through lineSwell noise affecting 10% of traces on cables 4-7, decreasing through line*** Line NTBP d/t swell noise SP 3886 - 3064 ****** SP 3063- moved across to reshoot sequence 161, sail line 2240 ***Swell noise from SP 3060 onwards:affecting <5% of traces cables 1-3affecting 5-10% of traces cables 4-7Birds 5-8 cable 7 deep d/t vane wash SP 2790-2710, max depth 13mBirds 9-11 cable 7 deep d/t vane wash SP 2730-2710, max depth 11mBirds 5-8 cable 7 deep d/t vane wash SP 2660-2630, max depth 11mEXTERNAL NOISE FROM:AHEAD : NILASTERN: NILABEAM : Possible Ship noise, ahead / abeam, SP 3010-2800, 10uB, decreasing throughout. Possibly multiple energy, ship passing @ 6 km BAD BIRD DIsC(1): NILC(2): 1 deadC(3): 15 bad DIC(4): NIL C(5): NILC(6): 6 bad DIC(7): 1 dead, 17 deepBAD GUN DIsGS(1): NILGS(2): NILGS(3): NILGS(4): NILGS(5): NILGS(6): #607 disabledGS(7): NIL
GS(8): NIL
|
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): 4.8 C(1): 7.0 C(2): 4.5 C(2): 6.5 C(3): 4.5 C(3): 5.2 C(4): 4.1 C(4): 3.9 C(5): 4.0 C(5): 4.3 C(6): 3.8 C(6): 4.3
C(7): 4.8 C(7): 5.2 |
---------------------------NAVIGATION ------------------------3590 NAVIGATION TAPE NUMBER: G03A-P294-T10P2 FILE USED: G03A2224I165.0.p294NAVIGATION COMMENTS: Dead at SOLFloat GPS: T7R01, T2R01Acoustics: S3T01, S7T07 Compasses: S2C1, S7C1, S5C14NAVIGATION ONLINE COMMENTS:Client DNP'd SOL-3064 due to swell noise.3063 - First overlap shotpoint for the reshoot line 2224A163.3053 - First good shotpoint for the reshoot.
|
---------------NAVIGATION PROCESSING----------------FSP: 3886LSP: 1868FEATHER ANGLESMIN: -9.5MAX: 0.1PRIMARY NAVIGATION: Multifix 2 (vesref 3)GYRO USED IN PROCESSING: Spectra gyro 2ACOUSTICS NOT USED: 52301, 52707GPS TARGETS NOT USED: 63103, 64201, 64701COMPASSES NOT USED: 1201, 1610, 1701SPECIAL COMMENTS:
FGSP of this line is 3063 d/t swell noise |
*********************LINE ACCEPTANCE*************************** *****(SIGNING IS ACCEPTANCE OF THE LINE)*****NAVIGATION PROCESSING:_________________________________________________QUALITY CONTROL_____________________________________________SEISMIC PROCESSING__________________________________________COORDINATOR_________________________________________________
CLIENT REP.__________________________________________________ |
|