ACQUISITION REPORT Sequence-0341
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4784C341
  Preplot G01A4784
  Direction 18.0°
  SOL Date 22:40:00utc 02-Apr-2002
  EOL Date 00:16:00utc 02-Apr-2002
 Attributes:  
   Wind Force 7.0 [knots] Dir NW
   Swell Height 1.5 [meters] Dir E
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 298.0 222.0 [meters]
   Bottomspeed  4.9 4.7 [knots]
   Featherangle port -1.7 port -4.3 [deg]
   Cable noise 4.5 4.7 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]
   Port Volume 3542 3542  
   Stbd Volume 3542  

Source Configuration
Source Position Inline Crossline Nominal Nom. Vol. Subarray Gun
Number   Offset [m] Offset [m] Depth [m] [inch ³] Count Count

Streamer Configuration
Streamer Position Inline Crossline Nominal Length Type Group Channel Front-Tail
Number   Offset [m] Offset [m] Depth [m] [m]   Interval [m] Count  

Recording Configuration
Channel Descr. Recording Data RecLen Sample Chan Chan # Chan Chan # Filter
Set   Format Reduction [ss ¹] Int. [ms] In In Out Out Delay [ms]

Production
  Shotpoint File Time [utc]
   SOL Noise Record(s)      
   SOL Dummy Record(s)      
   FSP Start of Line 2461   22:40:00
   MSP      
   LSP End of Line 1727   00:16:00
   EOL Dummy Record(s)      
   EOL Noise Record(s)      
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2461 - 1727   -    -  Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m. Reshoot seq 339,335 d/t swell noise/streamer 6 bad data. Sp's 2461-2452 are O/laps    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1019mB, pressure now 1018mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2473 - 2044 2473 - 2044 1 1409  
  2043 - 1726 2043 - 1726 2 1410  
Stream 2
   Shot(s) Files Deck Reel Remark
  2473 - 2044 2473 - 2044 3 1411  
  2043 - 1726 2043 - 1726 4 1412  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 2265, 1801 Spiking Traces  
ALL     ALL 1159, 2871 Noisy Traces  
2212-2243       2699-2715 Streamer depth Bird 8-7 deep max 10.5 mtrs
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE Bad bird Bird 8-5 reading deep throughout line average 8.5 mtrs
Comment
Shot(s)     File(s) Trace(s) Type Remark


 List of used abbreviations:
     SOL/EOL  Start/End of line. 
     FSP/LSP  First/Last shotpoint of the line. 
     FCSP/LCSP  First/Last chargeable shotpoint
     MSP  Midnight (last) shotpoint of the day
     FGSP/LGSP  First/Last Good Shotpoint
     FOSP/LOSP  First/Last Overlap Shotpoint
     FSP/LSP R/O  First/Last Shotpoint Runout
   
     Deg  Degrees: e[0,360]
     rev  Revolutions
     utc  Universal Time Coordinated
     SPs  Shotpoints
     CMPs  Common midpoints
     NTBP  Not to be processed
     SI  Seismic interference
TRILOGY INFORMATION MANAGER - ACQUISITION REPORT - GENERATED 18:30:00utc 03-Apr-2002