Western Logo]

Special Event Log

Party :Monarch Seq#: 152
Survey: 9269 Dir: 107.2
Client :ExxonMobil FSP :2001
Line : G03A1792K152 LSP :4019
Comments
  • shGENERAL 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: WSW @ 10 Knots SEAS: 1.0 m. PITCH: 75%
  • EOL WEATHER: WSW @ 10 Knots SEAS: 1.0 m. PITCH: 75%
  • DUMMY FILES : 80
  • BOL NOISE FILE: 1 = 2 Hz.
  • 2 = 8 Hz.
  • EOL NOISE FILE: 2100 = 2 Hz.
  • 2101 = 8 Hz.
  • SPECIAL EVENTS:
  • EXTERNAL NOISE FROM:
  • AHEAD :
  • Ship noise (1), 600ms / second moveout. 10-15uB RMS. SP 2510-2600, increasing throughout
  • ASTERN: NIL
  • ABEAM : Minor ship noise travelling up cables 1 & 2 from SP 2073-2200. Caused by CMV with one engine down tralleving up towards mother vessel
  • Ship noise (1) approx. 20uB RMS, SP 2600-2630
  • Ship noise (1) approx. 10-15uB RMS, SP 2630-2670, decreasing throughout, no longer visible at SP 2680
  • Ship noise (2) abeam / ahead (4-500ms / sec moveout), SP 2710-2750, approx 10uB RMS, increasing throughout
  • Ship noise (2) abeam, SP 2750-2800, approx 20uB RMS, peaking at SP 2770 (25uB)
  • Ship noise (2) abeam / astern (4-500ms / sec moveout), SP 28000-2850, 10-15uB RMS, decreasing troughout, no longer visible at SP 2465
  • 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): 607 open circuit (reading -19.5m)
  • 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): 3.9 C(1): 6.3
  • C(2): 3.7 C(2): 5.6
  • C(3): 3.0 C(3): 4.4
  • C(4): 2.4 C(4): 3.3
  • C(5): 2.4 C(5): 2.9
  • C(6): 2.4 C(6): 3.1
  • C(7): 7.7 * C(7): 3.4
  • * Cable on surface during SOL noise record for maintenance
  • ---------------------------NAVIGATION ------------------------
  • 3590 NAVIGATION TAPE NUMBER: G03A-P294-T10
  • P2 FILE USED: G03A1792K152.0.p294
  • NAVIGATION COMMENTS:
  • Dead at SOL
  • Float GPS: T7R01, T2R01
  • Acoustics: S3T01, S7T07
  • Compasses: S2C1, S7C1, S5C14
  • NAVIGATION ONLINE COMMENTS:
  • very slow at sol d/t waiting for CMV
  • 3039, 3046 missed shots?
  • ---------------NAVIGATION PROCESSING----------------
  • FSP: 2001
  • LSP: 4019
  • FEATHER ANGLES
  • MIN: 0.9
  • MAX: 12.0
  • PRIMARY NAVIGATION: Multifix 2.
  • GYRO USED IN PROCESSING: Gyro 2.
  • ACOUSTICS NOT USED: 52301,52707.
  • FANBEAM NOT USED:
  • GPS TARGETS NOT USED: 64201,64701.
  • COMPASSES NOT USED: 1201,1610,1710.
  • SPECIAL COMMENTS:
  • Cable DI's Out : 1201,1701,1717.
  • SP 3035 missing in P294 file.
  • *********************LINE ACCEPTANCE***************************
  • *****(SIGNING IS ACCEPTANCE OF THE LINE)*****
  • NAVIGATION PROCESSING:_________________________________________________
  • QUALITY CONTROL_____________________________________________
  • SEISMIC PROCESSING__________________________________________
  • COORDINATOR_________________________________________________
  • CLIENT REP.__________________________________________________
  • Return to Line List