ACQUISITION REPORT Sequence-0358
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4336A358
  Preplot G01A4336
  Direction 18.0°
  SOL Date 07:30:50utc 12-Apr-2002
  EOL Date 13:48:49utc 12-Apr-2002
 Attributes:  
   Wind Force 3.0 [knots] $(wind_dir)
   Swell Height 0.75 [meters] Dir NE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 93.0 46.0 [meters]
   Bottomspeed  4.7 3.9 [knots]
   Featherangle port -0.7 port -7.0 [deg]
   Cable noise 6.7 4.5 [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
0 STBD -345.0 25.0 -6.0 0.0 0 0
0 STBD -345.0 -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 -520.0 350.0 -7.0 4600 Nessie-3 12.5 368 0001-0368
2 STBD -520.0 250.0 -7.0 4600 Nessie-3 12.5 368 0369-0736
3 STBD -520.0 150.0 -7.0 4600 Nessie-3 12.5 368 0737-1104
4 STBD -520.0 50.0 -7.0 4600 Nessie-3 12.5 368 1105-1472
5 PORT -520.0 -50.0 -7.0 4600 Nessie-3 12.5 368 1473-1840
6 PORT -520.0 -150.0 -7.0 4600 Nessie-3 12.5 368 1841-2208
7 PORT -520.0 -250.0 -7.0 4600 Nessie-3 12.5 368 2209-2576
8 PORT -520.0 -350.0 -7.0 4600 Nessie-3 12.5 368 2577-2944

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
8 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 2209-2576 0368 2209 - 2576 5.60
9 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 2577-2944 0368 2577 - 2944 5.60

Production
  Shotpoint File Time [utc]
   SOL Noise Record(s)   1598 - 1599  
   SOL Dummy Record(s) 1600 - 1666 1600 - 1666 07:22:17 - 07:30:42
   FSP Start of Line 1667 1667 07:30:50
   MSP      
   LSP End of Line 4307 4307 13:48:49
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4308 - 4309  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1667 - 4307 1667 - 4307 07:30:50-13:48:49 Unknown 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1023mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP. No noise test recorded to tape.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1657 - 2086 1657 - 2086 1 1498 No SOL noise test recorded to tape.
  2087 - 2516 2087 - 2516 2 1499  
  2517 - 2946 2517 - 2946 1 1500  
  2947 - 3376 2947 - 3376 2 1501  
  3377 - 3806 3377 - 3806 1 1502  
  3807 - 4236 3807 - 4236 2 1503  
  4237 - 4309 4237 - 4309 1 1504  
Stream 2
   Shot(s) Files Deck Reel Remark
  1657 - 2086 1657 - 2086 4 1498 No SOL noise test recorded to tape.
  2087 - 2516 2087 - 2516 3 1499  
  2517 - 2946 2517 - 2946 4 1500  
  2947 - 3376 2947 - 3376 3 1501  
  3377 - 3806 3377 - 3806 4 1502  
  3807 - 4236 3807 - 4236 3 1503  
  4237 - 4309 4237 - 4309 4 1504  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476    
ALL     ALL 2265, 1801, 1553    
ALL     ALL 1159, 2871    
1959-1964     1959-1964 419-435 Streamer depth Streamer depth out of spec, Bird C2-4 9.5 m.
2598-2611     2598-2611 2259-2275 Streamer depth Streamer depth out of spec, Bird C7-4 10.6 m.
2604-2609     2604-2609 2307-2323 Streamer depth Streamer depth out of spec, Bird C7-5 9.2 m.
Warning
Shot(s)     File(s) Trace(s) Type Remark
1667-2085     1667-2085 ALL Ship Noise approx 3uB of high frequency noise on all streamers, from platform's,
1876-1892     1876-1892 NONE Bird depth out of spec Bird C8-6
1878-1889     1878-1889 NONE Bird depth out of spec Bird C8-5
1967     1967 419-435 Streamer depth Streamer depth out of spec, Bird C2-4 9.1 m.
1983-1984     1983-1984 419-435 Streamer depth Streamer depth out of spec, Bird C2-4 4.8 m.
1992     1992 2627-2643 Streamer depth Streamer depth out of spec, Bird C8-4 9.2 m.
2357     2357 ALL Gun timing error Gun 1-2 error (ms) : -1.8
2601     2601 2307-2323 Streamer depth Streamer depth out of spec, Bird C7-5 9.2 m.
2626-2635     2626-2635 NONE Bird depth out of spec Bird C7-9
3090-3101     3090-3101 NONE Bird depth out of spec Bird C7-9
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 21:45:39utc 12-Apr-2002