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Special Event Log

Party :Monarch Seq#: 130
Survey: 9269 Dir: 286.9
Client :ExxonMobil FSP :3886
Line : G03A1968J130 LSP :1868
Comments
  • GENERAL SURVEY PARAMETERS: Gippsland Basin
  • RECORDING SYSTEM : MSX / CRS
  • STREAMERS : 7 X 5000 METERS
  • STREAMER SEPARATION: 100 METERS
  • TOTAL CHANNELS : 2800
  • RECORDING 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 SECONDS
  • SHOT POINT INTERVAL: 18.75 METERS
  • GROUP INTERVAL : 12.5 METERS
  • SOURCE DEPTH : 8 METERS (DI s ARE 1 METER ABOVE THE GUN)
  • SOURCE VOLUME : 3000 CUBIC INCHES X 2
  • SOURCE SEPARATION : 50 METERS
  • CENTER OF SOURCE TO CABLE REFERENCE POINT: 126 METERS
  • CENTER OF SOURCE TO CABLE LAST GROUP : 5102 METERS
  • ---------------------------------------------------------------
  • BOL WEATHER: E @ 15 Knots SEAS: 2.5 m. PITCH: 80%
  • EOL WEATHER: E @ 15 Knots SEAS: 2.5 m. PITCH: 80%
  • DUMMY FILES : N/A
  • BOL NOISE FILE: 1 = 2 Hz.
  • 2 = 8 Hz.
  • EOL NOISE FILE: 2044 = 2 Hz.
  • 2045 = 8 Hz.
  • SPECIAL EVENTS: Navigation ( RTNU ) lock-up on SPs 3185-3146.
  • EXTERNAL NOISE FROM:
  • AHEAD : Ship noise visible at < 5uBars from SPs 3650-3580.
  • Ship niose visible at < 5uB SP 3380-3340 due to tanker in shipping lane.
  • ASTERN: Ship noise visible at SP 2280-2115 at aprox 10 uBars.
  • ABEAM : Ship noise increasing to approx. 15-20 uBars at SP 2115-1980
  • Ship noise decreasing on SP 1980-1920 now at approx. 10-15 uBars.
  • Ship noise now at approx. 5-10 uBars on SP 1920-EOL.
  • BAD BIRD DIs
  • C(1): NIL
  • C(2): 1 dead
  • C(3): NIL
  • C(4): NIL
  • C(5): NIL
  • C(6): NIL
  • C(7): 1 dead
  • BAD GUN DIs
  • GS(1): NIL
  • GS(2): NIL
  • GS(3): NIL
  • GS(4): NIL
  • GS(5): NIL
  • GS(6): NIL
  • GS(7): NIL
  • GS(8): NIL
  • BAD GUN PIs
  • GS(1): NIL
  • GS(2): NIL
  • GS(3): NIL
  • GS(4): NIL
  • GS(5): NIL
  • GS(6): NIL
  • GS(7): NIL
  • GS(8): NIL
  • BOL NOISE: EOL NOISE:
  • C(1): 4.4 C(1): 8.3
  • C(2): 4,6 C(2): 8.1
  • C(3): 3.8 C(3): 7.9
  • C(4): 3.6 C(4): 7.7
  • C(5): 3.0 C(5): 7.8
  • C(6): 4.9 C(6): 7.9
  • C(7): 3.9 C(7): 8.3
  • Ship noise evident on EOL noise record.
  • ---------------------------NAVIGATION ------------------------
  • 3590 NAVIGATION TAPE NUMBER: G03A-P294-T09
  • P2 FILE USED: G03A1968J130.0.p294
  • NAVIGATION COMMENTS:
  • Dead at SOL
  • Float GPS: T7R01
  • Acoustics: S3T03, S3T01, S7T07
  • V1T01 Ranges poor/unuseable
  • Compasses: S2C1, S7C1
  • NAVIGATION ONLINE COMMENTS:
  • RTNU lock up at SP's 3185-3146.
  • ---------------NAVIGATION PROCESSING----------------
  • FSP: 3886
  • LSP: 1868
  • FEATHER ANGLES
  • MIN: -10.2
  • MAX: 8.5
  • PRIMARY 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: 63205,64701.
  • COMPASSES NOT USED: 1101,1201,1617,1701.
  • SPECIAL COMMENTS:
  • Missing SP's 3186 to 3136 d/t RTNU lockup.Line processed in two parts.
  • Cable DI's Out : 1101,1201,1701.
  • *********************LINE ACCEPTANCE***************************
  • *****(SIGNING IS ACCEPTANCE OF THE LINE)*****
  • NAVIGATION PROCESSING:_________________________________________________
  • QUALITY CONTROL_____________________________________________
  • SEISMIC PROCESSING__________________________________________
  • COORDINATOR_________________________________________________
  • CLIENT REP.__________________________________________________
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