ACQUISITION REPORT Sequence-0932
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170D
  Survey Type 4 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A0011JMK932
  Preplot G01A4976
  Direction 75.0°
  SOL Date 16:49:07utc 14-Jul-2002
  EOL Date 17:52:28utc 14-Jul-2002
 Attributes:  
   Wind Force 22.0 [knots] Dir W
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 135 [avg]  
   Propellor pitch 52 [avg]  
       
  SOL EOL  
   Waterdepth 105.0 68.0 [meters]
   Bottomspeed  4.9 5.1 [knots]
   Featherangle port -9.1 port -15.2 [deg]
   Cable noise 7.1 8.47 [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)   2468 - 2469  
   SOL Dummy Record(s) 2470 - 2499 2470 - 2499 16:45:19 - 16:48:59
   FSP Start of Line 2500 2500 16:49:07
   MSP      
   LSP End of Line 3000 3000 17:52:28
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3210 - 3211  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2500 - 2639 2500 - 2639 16:49:07-17:06:49 Infill 8 Valid Transit / Overlap
    2640 - 2790 2640 - 2790 17:06:57-17:26:00 Infill 8 Valid Boundary between Cobia and Mackrel. First line segment
    2791 - 2852 2791 - 2852 17:26:08-17:33:41 Infill 8 Valid Transit / Overlap
    2853 - 2980 2853 - 2980 17:33:48-17:49:53 Infill 8 Valid Boundary between Cobia and Mackrel. Second line segment
    2981 - 3000 2981 - 3000 17:50:01-17:52:28 Infill 8 Valid Transit / Overlap
 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 1023mB. Using Four by 2.6km streamer. Burst of swell noise present on records.    

Tape-list
Stream 2
   Shot(s) Files Deck Reel Remark
  2468 - 3211 2468 - 3211 1 10140  
Stream 3
   Shot(s) Files Deck Reel Remark
  2468 - 3211 2468 - 3211 4 10140  
Stream 1001
   Shot(s) Files Deck Reel Remark
  2537 - 3008 2551 - 3213 1001 7  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE Bird depth out of spec Bird C3-1 ocassional deep 8.1-8.5m
2772     2772 ALL Gun timing error Gun 5-4 error (ms) : -1.1
Comment
Shot(s)     File(s) Trace(s) Type Remark
2500     2500 ALL Swell Noise Swell burst affecting 5% of traces, 5-8µB RMS


 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 06:48:07utc 15-Jul-2002