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Special Event Log

Party :Monarch Seq#: 133
Survey: 9269 Dir: 107.2
Client :ExxonMobil FSP :2001
Line : G03A1744X133 LSP :4019
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 @ 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 EOL
  • EXTERNAL NOISE FROM:
  • AHEAD : NIL
  • ASTERN:
  • SP 2800-2930 ship noise from astern moving to beam at approx. 10 micro bar
  • SP 3550-2750 ship noise from astern, 2500ms moveout, approx 10uB.
  • ABEAM : NIL
  • BAD BIRD DIs
  • C(1): NIL
  • C(2): 1 dead
  • C(3): NIL
  • C(4): 12 bad D.I.
  • 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): 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-T09
  • P2 FILE USED: G03A1744X133.0.p294
  • NAVIGATION COMMENTS:
  • Dead at SOL
  • Float GPS: T7R01, T5R01, G1R03
  • Acoustics: S3T03, S3T01, S7T07
  • V1T01 Ranges poor/unuseable
  • Compasses: S2C1, S7C1
  • NAVIGATION ONLINE COMMENTS:
  • Experiencing low satellite number for all GPS system,
  • causing Multifix 1 intermittent
  • SP 3337 - Tailbuoy 2 dropout for a couple shotpoint
  • ---------------NAVIGATION PROCESSING----------------
  • FSP: 2001
  • LSP: 4019
  • FEATHER ANGLES
  • MIN: -12.9
  • MAX: 4.6
  • 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: 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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