ACQUISITION REPORT Sequence-0930
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170D
  Survey Type 4 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4064LWT930
  Preplot G01A4064
  Direction 198.0°
  SOL Date 03:58:53utc 14-Jul-2002
  EOL Date 04:32:19utc 14-Jul-2002
 Attributes:  
   Wind Force 25.0 [knots] Dir SW
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 135 [avg]  
   Propellor pitch 50 [avg]  
       
  SOL EOL  
   Waterdepth 55.0 0.0 [meters]
   Bottomspeed  4.4 0.0 [knots]
   Featherangle sb +3.8 sb +2.6 [deg]
   Cable noise 8.52 4.84 [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)   3322 - 3321  
   SOL Dummy Record(s) 3320 - 3291 3320 - 3291 03:54:34 - 03:58:45
   FSP Start of Line 3290 3290 03:58:53
   MSP      
   LSP End of Line 3060 3060 04:32:19
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1556 - 1555  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3290 - 3060 3290 - 3060 03:58:53-04:32:19 Infill 8 Valid Orthogonal line west of West Tuna platform
 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. Side swipes present on records. Line suffix "4064LWT" was already used on SEQ-922.    

Tape-list
Stream 2
   Shot(s) Files Deck Reel Remark
  3322 - 1555 3322 - 1555 2 10138  
Stream 3
   Shot(s) Files Deck Reel Remark
  3322 - 1555 3322 - 1555 4 10138  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
Warning
Shot(s)     File(s) Trace(s) Type Remark
3288     3288 ALL Gun timing error Gun 5-4 error (ms) : -1.1
3283-3262     3283-3262 417-421 Bird depth out of spec Bird C3-1 max depth 8.8m
3240-3224     3240-3224 417-421 Bird depth out of spec Bird C3-1 max depth 8.9m
3219-3206     3219-3206 417-421 Bird depth out of spec Bird C3-1 max depth 8.7m
3179-3164     3179-3164 417-421 Bird depth out of spec Bird C3-1 max depth 8.7m
3159-3132     3159-3132 417-421 Bird depth out of spec Bird C3-1 max depth 8.7m
3116-3101     3116-3101 417-421 Bird depth out of spec Bird C3-1 max depth 8.8m
3099-3060     3099-3060 417-421 Bird depth out of spec Bird C3-1 max depth 8.9m
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 14:52:41utc 14-Jul-2002