ACQUISITION REPORT Sequence-0895
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170D
  Survey Type 4 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4160KTU895
  Preplot G01A4160
  Direction 18.0°
  SOL Date 10:53:28utc 08-Jul-2002
  EOL Date 11:14:53utc 08-Jul-2002
 Attributes:  
   Wind Force 30.0 [knots] Dir NNW
   Swell Height 2.0 [meters] Dir NNW
   Propellor rpm 130 [avg]  
   Propellor pitch 70 [avg]  
       
  SOL EOL  
   Waterdepth 55.0 56.7 [meters]
   Bottomspeed  4.99 4.8 [knots]
   Featherangle 0.0 sb +11.3 [deg]
   Cable noise 5.4 8.89 [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
0 STBD -180.0 25.0 -6.0 0.0 0 0
0 STBD -180.0 -25.0 -6.0 0.0 0 0

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)   3338 - 3339  
   SOL Dummy Record(s) 3340 - 3369 3340 - 3369 10:49:45 - 10:53:21
   FSP Start of Line 3370 3370 10:53:28
   MSP      
   LSP End of Line 3540 3540 11:14:53
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4250 - 4251  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3370 - 3540 3370 - 3540 10:53:28-11:14:53 Infill 8 Valid Orthogonal line East of 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 at recording data. Burst of swell noisy present on records.    

Tape-list
Stream 2
   Shot(s) Files Deck Reel Remark
  3338 - 4251 3338 - 4251 1 10103  
Stream 3
   Shot(s) Files Deck Reel Remark
  3338 - 4251 3338 - 4251 3 10103  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
Warning
Shot(s)     File(s) Trace(s) Type Remark
3411-3421     3411-3421 241-257 Bird depth out of spec Bird C2-4 max depth 8.4m
3417-3449     3417-3449 267-283 Bird depth out of spec Bird C2-5 max depth 8.8m
3424     3424 ALL Gun timing error Gun 5-3 error (ms) : -1.1
3464     3464 ALL Gun timing error Gun 5-3 error (ms) : -1.1
3466     3466 ALL Gun timing error Gun 5-3 error (ms) : -1.1
3470-3483     3470-3483 267-283 Bird depth out of spec Bird C2-5 max depth 8.4m
3502     3502 ALL Gun timing error Gun 5-3 error (ms) : -1.2
3512-3540     3512-3540 417-421 Bird depth out of spec Bird C3-1 max depth 8.5m
3514     3514 ALL Gun timing error Gun 5-4 error (ms) : -1.4
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 18:20:26utc 11-Jul-2002