Western Logo]

Special Event Log

Party :Monarch Seq#: 179
Survey: 9269 Dir: 287
Client :ExxonMobil FSP :3886
Line : G03A2192A179 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: SW @ 20 Knots SEAS: 3.0 m. PITCH: 76%
  • EOL WEATHER: SW @ 20 Knots SEAS: 3.0 m. PITCH: 76%
  • DUMMY FILES : N/A
  • BOL NOISE FILE: 1 = 2 Hz.
  • 2 = 8 Hz.
  • EOL NOISE FILE: 2073 = 2 Hz.
  • 2074 = 8 Hz.
  • SPECIAL EVENTS:
  • SP 3720 cable 5 bird 14 disabled,causing bird 13 to drop out.
  • Bird 5-9 on Cable 7 deep with max depth 13.5m from SP 2310-2187
  • Bird 5-9 on Cable 7 deep with max depth 13.5m from SP 2090-EOL
  • EXTERNAL NOISE FROM:
  • AHEAD : NIL
  • ASTERN: From SP 1920-EOL ship noise less than 5uB
  • ABEAM : NIL
  • BAD BIRD DIs
  • C(1): NIL
  • C(2): 1 dead
  • C(3): 15 bad D.I.
  • C(4): NIL
  • C(5): 14 disabled SP 3720
  • 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): 608 disabled BOL
  • 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): 6.0 C(1): 10.1
  • C(2): 4.7 C(2): 10.1
  • C(3): 7.1 C(3): 10.1
  • C(4): 3.6 C(4): 9.4
  • C(5): 3.5 C(5): 9.4
  • C(6): 3.5 C(6): 9.2
  • C(7): 4.3 C(7): 9.8
  • EOL Noise recorded with ship noise comming from stern.
  • ---------------------------NAVIGATION ------------------------
  • 3590 NAVIGATION TAPE NUMBER: G03A-P294-T12
  • P2 FILE USED: G03A2192A179.0.p294
  • NAVIGATION COMMENTS:
  • Dead at SOL
  • Float GPS: T7R01
  • Acoustics: S3T01, S7T07
  • Compasses: S2C1, S7C1
  • NAVIGATION ONLINE COMMENTS:
  • SP 3420 - SP 3390 : Steering manually by bridge, moving port with 0.6 kts VC, d/t strong anomali current affecting robtrack steering. Leaving hole for infill pass, Total Feather Mismatch
  • ---------------NAVIGATION PROCESSING----------------
  • FSP: 3886
  • LSP: 1868
  • FEATHER ANGLES
  • MIN: -6.4
  • MAX: 11.2
  • PRIMARY NAVIGATION: MFIX_2_Optus
  • GYRO USED IN PROCESSING: Gyro 2
  • ACOUSTICS NOT USED: 52301 52707
  • GPS TARGETS NOT USED: 64201 64701 63103 63107 63205
  • COMPASSES NOT USED: 1201 1514 1610 1701
  • SPECIAL COMMENTS:
  • Cable DI out: 1201 1315 1514 1701
  • Cable DI's 1203-1208 go deep, DI's 1606-1610 & 1705-1710 erratic.
  • PosNet 1 DOP spikes during line.
  • *********************LINE ACCEPTANCE***************************
  • *****(SIGNING IS ACCEPTANCE OF THE LINE)*****
  • NAVIGATION PROCESSING:_________________________________________________
  • QUALITY CONTROL_____________________________________________
  • SEISMIC PROCESSING__________________________________________
  • COORDINATOR_________________________________________________
  • CLIENT REP.__________________________________________________
  • Return to Line List