ACQUISITION REPORT Sequence-0918
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170D
  Survey Type 4 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A5376PFH918
  Preplot G01A5376FH
  Direction 265.0°
  SOL Date 20:35:42utc 12-Jul-2002
  EOL Date 20:53:53utc 12-Jul-2002
 Attributes:  
   Wind Force 15.0 [knots] Dir NNE
   Swell Height 1.0 [meters] Dir NNE
   Propellor rpm 135 [avg]  
   Propellor pitch 52 [avg]  
       
  SOL EOL  
   Waterdepth 61.0 62.5 [meters]
   Bottomspeed  5.0 4.9 [knots]
   Featherangle port -7.9 0.0 [deg]
   Cable noise 3.4 3.9 [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)   3282 - 3281  
   SOL Dummy Record(s) 3280 - 3251 3280 - 3251 20:31:58 - 20:35:35
   FSP Start of Line 3250 3250 20:35:42
   MSP      
   LSP End of Line 3100 3100 20:53:53
   EOL Dummy Record(s)
   EOL Noise Record(s)   3099 - 3098  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3250 - 3100 3250 - 3100 20:35 - 20:53 Infill 0 Scratched Line scatched dt whale sighting, North of Fortescue - Halibut
 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 1017mB. Using Four by 2.6km streamer.    

Tape-list
Stream 2
   Shot(s) Files Deck Reel Remark
  3282 - 3099 3282 - 3099 1 10126  
Stream 3
   Shot(s) Files Deck Reel Remark
  3282 - 3099 3282 - 3099 4 10126  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
3120-3100     3120-3100 ALL Gun disabled All guns disabled dt whale sighting
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL-3167 417-421 Bird depth out of spec Bird C3-1, Occasionally deep 8.1m - 8.6m
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 07:15:09utc 13-Jul-2002