ACQUISITION REPORT Sequence-0232
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1312A232
  Preplot G01A1312
  Direction 198.0°
  SOL Date 17:01:10utc 26-Jan-2002
  EOL Date 20:35:26utc 26-Jan-2002
 Attributes:  
   Wind Force 1.0 [knots] $(wind_dir)
   Swell Height 1.5 [meters] Dir E
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 18.0 37.0 [meters]
   Bottomspeed  4.3 4.6 [knots]
   Featherangle 0.0 sb +2.7 [deg]
   Cable noise 21.23 0.0 [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 -520.0 350.0 -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)   2500 - 2499  
   SOL Dummy Record(s) 2498 - 2489 2498 - 2489 16:59:45 - 17:01:01
   FSP Start of Line 2488 2488 17:01:10
   MSP      
   LSP End of Line 919 919 20:35:26
   EOL Dummy Record(s)      
   EOL Noise Record(s)   918 - 917  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2488 - 919 2488 - 919 17:01:10-20:35:26 Prime 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 1015mB. Occ swell noise seen on all cables. Streamers still in bend on noise rec d/t shallows. Some intemittent bird comms on cable one    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2500 - 2071 2500 - 2071 1 956  
  2070 - 1641 2070 - 1641 2 957  
  1640 - 1211 1640 - 1211 1 958  
  1210 - 917 1210 - 917 2 959  
Stream 2
   Shot(s) Files Deck Reel Remark
  2500 - 2071 2500 - 2071 3 956  
  2070 - 1641 2070 - 1641 4 957  
  1640 - 1211 1640 - 1211 3 958  
  1210 - 917 1210 - 917 3 959  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 1255 Killed traces  
ALL     ALL- 1855 Killed traces  
ALL     ALL 1495 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Fails crossfeed test  
ALL     ALL NONE   Bird 4-11 int comms
ALL     ALL NONE   Bird 4-15 bad compass
2488-2463     2488-2463 ALL   Bend noise on streamer
1921-1899     1921-1899 NONE Bird depth out of spec Bird C6-11
1834     1834 ALL Gun timing error Gun 5-4 error (ms) : -1.6
1766     1766 ALL Gun timing error Gun 5-4 error (ms) : -1.4
1718     1718 ALL Gun timing error Gun 5-4 error (ms) : -1.2
1710     1710 ALL Gun timing error Gun 5-4 error (ms) : -1.2
1572     1572 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1540     1540 ALL Gun timing error Gun 5-4 error (ms) : -1.2
1486     1486 ALL Gun timing error Gun 5-4 error (ms) : -1.2
1258     1258 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1240     1240 ALL Gun timing error Gun 5-4 error (ms) : -1.2
968     968 ALL Gun timing error Gun 5-4 error (ms) : -1.1
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 21:21:14utc 26-Jan-2002