ACQUISITION REPORT Sequence-0487
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4880K487
  Preplot G01A4880
  Direction 18.0°
  SOL Date 06:12:43utc 24-Jun-2002
  EOL Date 07:28:32utc 24-Jun-2002
 Attributes:  
   Wind Force 12.0 [knots] Dir WNW
   Swell Height 2.0 [meters] Dir SSW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 268.0 135.0 [meters]
   Bottomspeed  4.5 4.55 [knots]
   Featherangle sb +2.9 port -3.1 [deg]
   Cable noise 7.2 16.5 [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 -345.0 25.0 -6.0 3542.0 3 24
2 PORT -345.0 -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 -520.0 250.0 -7.0 4600 Nessie-3 12.5 368 0001-0368
2 STBD -520.0 150.0 -7.0 4600 Nessie-3 12.5 368 0369-0736
3 STBD -520.0 50.0 -7.0 4600 Nessie-3 12.5 368 0737-1104
4 PORT -520.0 -50.0 -7.0 4600 Nessie-3 12.5 368 1105-1472
5 PORT -520.0 -150.0 -7.0 4600 Nessie-3 12.5 368 1473-1840
6 PORT -520.0 -250.0 -7.0 4600 Nessie-3 12.5 368 1841-2208

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 0368 0001-0368 0368 0001 - 0368 5.60
3 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0369-0736 0368 0369 - 0736 5.60
4 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0737-1104 0368 0737 - 1104 5.60
5 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1105-1472 0368 1105 - 1472 5.60
6 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1473-1840 0368 1473 - 1840 5.60
7 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1841-2208 0368 1841 - 2208 5.60

Production
  Shotpoint File Time [utc]
   SOL Noise Record(s)   2508 - 2509  
   SOL Dummy Record(s) 2510 - 2519 2510 - 2519 06:11:22 - 06:12:35
   FSP Start of Line 2520 2520 06:12:43
   MSP      
   LSP End of Line 3080 3080 07:28:32
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3081 - 3081  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2520 - 3080 2520 - 3080 06:12:43-07:28:32 Infill 12 Valid  
 Remarks:      
   Navigation Streamer depth 7mtr    
   Recording QC Frontsheet Set 5. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1023mB. Six streamer line.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2508 - 3057 2508 - 3057 1 1970  
  3058 - 3081 3058 - 3081 2 1971  
Stream 2
   Shot(s) Files Deck Reel Remark
  2508 - 3057 2508 - 3057 3 1970  
  3058 - 3081 3058 - 3081 4 1971  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 379, 1127, 1895, 2134 Noisy Trace(s)  
ALL     ALL 2182-2184 Noisy Trace(s) Noise bursts seen on these channels. Pos debris on streamer
2740-3080     2740-3080 1-184 Swell Noise Swell affecting near traces NTBP. Not required for coverage.
2740-3080     2740-3080 369-552 Swell Noise Swell affecting near traces NTBP. Not required for coverage.
2740-3080     2740-3080 737-920 Swell Noise Swell affecting near traces NTBP. Not required for coverage.
2740-3080     2740-3080 1105-1288 Swell Noise Swell affecting near traces NTBP. Not required for coverage.
2740-3080     2740-3080 1473-1656 Swell Noise Swell affecting near traces NTBP. Not required for coverage.
2740-3080     2740-3080 1840-2024 Swell Noise Swell affecting near traces NTBP. Not required for coverage.
Warning
Shot(s)     File(s) Trace(s) Type Remark
2639-2651     2639-2651 NONE Bird depth out of spec Bird C6-6
2641-2647     2641-2647 NONE Bird depth out of spec Bird C6-5
2645-2666     2645-2666 NONE Bird depth out of spec Bird C6-7
2686     2686 ALL Gun timing error Gun 5-4 error (ms) : -1.2
2828     2828 ALL Gun timing error Gun 5-4 error (ms) : -1.1
3064     3064 ALL Gun timing error Gun 5-4 error (ms) : -1.4
Comment
Shot(s)     File(s) Trace(s) Type Remark
2639-2678     2639-2678 1915-2027 Streamer depth Monowing wash affecting streamer 6


 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 14:38:44utc 24-Jun-2002