ACQUISITION REPORT Sequence-0928
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170D
  Survey Type 4 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4384MFL928
  Preplot G01A4384
  Direction 18.0°
  SOL Date 23:41:44utc 13-Jul-2002
  EOL Date 00:05:33utc 14-Jul-2002
 Attributes:  
   Wind Force 18.0 [knots] Dir SW
   Swell Height 1.0 [meters] Dir E
   Propellor rpm 137 [avg]  
   Propellor pitch 52 [avg]  
       
  SOL EOL  
   Waterdepth 86.7 81.4 [meters]
   Bottomspeed  4.7 4.7 [knots]
   Featherangle port -2.2 0.0 [deg]
   Cable noise 3.8 6.2 [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)   2518 - 2519  
   SOL Dummy Record(s) 2520 - 2549 2520 - 2549 23:37:50 - 23:41:37
   FSP Start of Line 2550 2550 23:41:44
   MSP 2691 2691 23:59:58
   LSP End of Line 2735 2735 00:05:33
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4259 - 4260  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2550 - 2711 2550 - 2711 23:41:44-00:02:31 Infill 8 Valid Orthogonal line West of Flounder platform
    2712 - 2735 2712 - 2735 00:02:39-00:05:33 Infill 0 Scratched NTBP Guns shut down dt whales
 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.    

Tape-list
Stream 2
   Shot(s) Files Deck Reel Remark
  2518 - 4260 2518 - 4260 2 10136  
Stream 3
   Shot(s) Files Deck Reel Remark
  2518 - 4260 2518 - 4260 3 10136  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
Warning
Shot(s)     File(s) Trace(s) Type Remark
2590     2590 ALL Gun timing error Gun 5-4 error (ms) : -1.4
2640     2640 417-421 Bird depth out of spec Bird C3-1, Occasionaly deep 8.1m - 8.5m
Comment
Shot(s)     File(s) Trace(s) Type Remark
2712     2712 ALL Gun disabled Guns disabled dt whales


 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 10:36:58utc 14-Jul-2002