ACQUISITION REPORT Sequence-0922
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170D
  Survey Type 4 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4064LWT922
  Preplot G01A4064
  Direction 18.0°
  SOL Date 08:17:50utc 13-Jul-2002
  EOL Date 08:23:28utc 13-Jul-2002
 Attributes:  
   Wind Force   [knots] $(wind_dir)
   Swell Height   [meters] $(swell_dir)
   Propellor rpm 135 [avg]  
   Propellor pitch 60 [avg]  
       
  SOL EOL  
   Waterdepth 59.0 0.0 [meters]
   Bottomspeed  4.4 0.0 [knots]
   Featherangle port -4.4 0.0 [deg]
   Cable noise 5.8 0.0 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]
   Port Volume 3542 3542  
   Stbd Volume 3542 3542  

Source Configuration
Source Position Inline Crossline Nominal Nom. Vol. Subarray Gun
Number   Offset [m] Offset [m] Depth [m] [inch ³] Count Count
1 STBD -180.0 25.0 -6.0 3542.0 3 24
2 PORT -180.0 -25.0 -6.0 3542.0 3 24

Streamer Configuration
Streamer Position Inline Crossline Nominal Length Type Group Channel Front-Tail
Number   Offset [m] Offset [m] Depth [m] [m]   Interval [m] Count  
1 STBD -330.0 150.0 -7.0 2600 Nessie-3 12.5 208 0001-0208
2 STBD -330.0 50.0 -7.0 2600 Nessie-3 12.5 208 0209-0416
3 PORT -330.0 -50.0 -7.0 2600 Nessie-3 12.5 208 0417-0624
4 PORT -330.0 -150.0 -7.0 2600 Nessie-3 12.5 208 0625-0832

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]
1 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0036 0001-0036 0036 0001 - 0036 0.00
2 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0208 0001-0208 0208 0001 - 0208 5.60
3 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0208 0209-0416 0208 0209 - 0416 5.60
4 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0208 0417-0624 0208 0417 - 0624 5.60
5 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0208 0625-0832 0208 0625 - 0832 5.60

Production
  Shotpoint File Time [utc]
   SOL Noise Record(s)   3128 - 3129  
   SOL Dummy Record(s) 3130 - 3159 3130 - 3159 08:13:41 - 08:17:41
   FSP Start of Line 3160 3160 08:17:50
   MSP      
   LSP End of Line 3201 3201 08:23:28
   EOL Dummy Record(s) 3202 - 3210 3202 - 3210 08:23:36 - 08:24:40
   EOL Noise Record(s)   3480 - 3481  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3160 - 3201 3160 - 3201 08:17:50-08:23:28 Infill 8 Scratched Orthogonal line West of Tuna platform - NTBP due to Currents
 Remarks:      
   Navigation Streamer depth 7.0mtr. Four by 2.6km streamer line.    
   Recording QC Frontsheet Set 6. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1016mB. Using Four by 2.6km streamer. SP 3202 all gun disable.    

Tape-list
Stream 2
   Shot(s) Files Deck Reel Remark
  3128 - 3481 3128 - 3481 1 10130  
Stream 3
   Shot(s) Files Deck Reel Remark
  3128 - 3481 3128 - 3481 4 10130  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
Warning
Shot(s)     File(s) Trace(s) Type Remark
3172     3172 ALL Gun timing error Gun 5-4 error (ms) : -1.1
Comment
Shot(s)     File(s) Trace(s) Type Remark
3202-3212     3202- ALL Gun disabled  


 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 21:07:15utc 13-Jul-2002