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Special Event Log

Party :Monarch Seq#: 116
Survey: 9269 Dir: 286.9
Client :ExxonMobil FSP :3886
Line : G03A1904A116 LSP :1887
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: WNW @ 5 Knots SEAS: 0.5 m. PITCH: 70%
  • EOL WEATHER: WNW @ 5 Knots SEAS: 1.0 m. PITCH: 70%
  • DUMMY FILES :
  • BOL NOISE FILE: 1 = 2 Hz.
  • 2 = 8 Hz.
  • EOL NOISE FILE: 2018 = 2 Hz.
  • 2019 = 8 Hz.
  • SPECIAL EVENTS:
  • Navigation lockup from SPs 3553-3524
  • Early EOL d/t Nav LGSP 1887
  • SP 2821 - 2793 inclusive NTBP due to gun errors.
  • EXTERNAL NOISE FROM:
  • AHEAD : NIL
  • ASTERN: NIL
  • SP 2560 - 2261, shipnoise from astern, 2400ms moveout, approx. 8uB RMS
  • SP 2260 - 2060, shipnoise from astern, 2400ms moveout, approx. 15uB RMS
  • SP 2059 - 1900, shipnoise from astern, 2400ms moveout, approx. 8uB RMS
  • ABEAM : NIL
  • 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): 3.4 C(1): 2.1
  • C(2): 3.3 C(2): 2.1
  • C(3): 2.9 C(3): 1.9
  • C(4): 2.8 C(4): 1.9
  • C(5): 2.7 C(5): 1.7
  • C(6): 2.7 C(6): 1.8
  • C(7): 3.2 C(7): 2.0
  • ---------------------------NAVIGATION ------------------------
  • 3590 NAVIGATION TAPE NUMBER: G03A-P294-T08
  • P2 FILE USED: G03A1904A116.0.p294
  • NAVIGATION COMMENTS:
  • Dead at SOL
  • Float GPS: T7R01
  • Acoustics: S3T01, S7T07
  • V1T01 Ranges poor/unuseable
  • Compasses: S2C1, S7C1
  • NAVIGATION ONLINE COMMENTS:
  • sp 3553-2524 RTNU locked up, reset.
  • 04:49 to 05:30 Skyfix corrections of the air
  • ---------------NAVIGATION PROCESSING----------------
  • FSP: 3886
  • LSP: 1887
  • FEATHER ANGLES
  • MIN: -3.7
  • MAX: 4.5
  • PRIMARY NAVIGATION: Posnet 2 ( Vesref 2 ).
  • GYRO USED IN PROCESSING: Gyro 2.
  • ACOUSTICS NOT USED: 51101,52301,52707.
  • FANBEAM NOT USED:
  • GPS TARGETS NOT USED: 64701.
  • COMPASSES NOT USED: 1201,1701.
  • SPECIAL COMMENTS:
  • Posnet 2 is prime navigation d/t dropout in Multfix 1 & 2.
  • Missed SP's 3553 - 3524 d/t RTNU lockup.
  • Cable DI's Out: 1201,1701.
  • *********************LINE ACCEPTANCE***************************
  • *****(SIGNING IS ACCEPTANCE OF THE LINE)*****
  • NAVIGATION PROCESSING:_________________________________________________
  • QUALITY CONTROL_____________________________________________
  • SEISMIC PROCESSING__________________________________________
  • COORDINATOR_________________________________________________
  • CLIENT REP.__________________________________________________
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