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Special Event Log

Party :Monarch Seq#: 205
Survey: 9269 Dir: 107.2
Client :ExxonMobil FSP :2001
Line : G03A1744J205 LSP :2234
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: ESE @ 15 Knots SEAS: 1.5 m. PITCH: 78%
  • EOL WEATHER: ESE @ 15 Knots SEAS: 1.5 m. PITCH: 78%
  • DUMMY FILES : 3-78
  • BOL NOISE FILE: 1 = 2 Hz.
  • 2 = 8 Hz.
  • EOL NOISE FILE: 312 = 2 Hz.
  • 313 = 8 Hz.
  • SPECIAL EVENTS: Infill
  • Traces 1-160 Edited on cable 1 d/t depth (lost Techno Float)
  • Swell burst on random traces,. Cable 4,5,6 worst affected.
  • Streamer 1 Edited not needed for coverage.
  • Streamers 2-7 traces 1-200 (nears / near-mids) edited Not required for
  • Coverage.
  • EXTERNAL NOISE FROM:
  • AHEAD : NIL
  • ASTERN: NIL
  • ABEAM : NIL
  • BAD BIRD DIs
  • C(1): NIL
  • C(2): 1 dead
  • C(3): 15 DI
  • C(4): NIL
  • C(5): 14 polling disabled
  • C(6): NIL
  • C(7): 1 dead
  • BAD GUN DIs
  • GS(1): NIL
  • GS(2): 202
  • GS(3): NIL
  • GS(4): NIL
  • GS(5): NIL
  • GS(6): 608
  • 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): 6.8 C(1): n/a
  • C(2): 5.7 C(2): n/a
  • C(3): 5.5 C(3): n/a
  • C(4): 4.7 C(4): n/a
  • C(5): 8.6 C(5): n/a
  • C(6): 5.4 C(6): n/a
  • C(7): 5.5 C(7): n/a
  • ---------------------------NAVIGATION ------------------------
  • 3590 NAVIGATION TAPE NUMBER: G03A-P294-T15
  • P2 FILE USED: G03A1744J205
  • NAVIGATION COMMENTS:
  • Dead at SOL
  • Float GPS: T7R01, T6R01, T2R01
  • Acoustics: S3T01, S7T07
  • Compasses: S2C1, S7C1
  • NAVIGATION ONLINE COMMENTS:
  • Gunstrings 2 and 4 intermittent GPS
  • ---------------NAVIGATION PROCESSING----------------
  • FSP:2067
  • LSP:2230
  • FEATHER ANGLES
  • MIN:2.4
  • MAX:12.3
  • PRIMARY NAVIGATION:MFIX_2_Optus ( VESREF 3 )
  • GYRO USED IN PROCESSING:Gyro 2
  • ACOUSTICS NOT USED:52301 52707
  • GPS TARGETS NOT USED:64201 64501 64701 63107
  • COMPASSES NOT USED:1201 1514 1701
  • SPECIAL COMMENTS:
  • No compass bias analysis due to short line length.
  • Cable DI out: 1701 1514 1201
  • Cable 1 DI's 1101-1108 deep during line due to lost techno float.
  • Large movment during line. Processed with iterating Kalman filter.
  • TriNav GPS bad during line.
  • Corrupt ephemeris data during line.
  • *********************LINE ACCEPTANCE***************************
  • *****(SIGNING IS ACCEPTANCE OF THE LINE)*****
  • NAVIGATION PROCESSING:_________________________________________________
  • QUALITY CONTROL_____________________________________________
  • SEISMIC PROCESSING__________________________________________
  • COORDINATOR_________________________________________________
  • CLIENT REP.__________________________________________________
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