ACQUISITION REPORT Sequence-0214
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1456A214
  Preplot G01A1456
  Direction 198.0°
  SOL Date 02:42:57utc 21-Jan-2002
  EOL Date 06:13:30utc 21-Jan-2002
 Attributes:  
   Wind Force 12.0 [knots] Dir SW
   Swell Height 1.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 97 [avg]  
       
  SOL EOL  
   Waterdepth 20.0 38.0 [meters]
   Bottomspeed  4.4 5.0 [knots]
   Featherangle port -3.8 sb +6.3 [deg]
   Cable noise 5.5 4.7 [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)   2649 - 2648  
   SOL Dummy Record(s) 2647 - 2638 2647 - 2638 02:41:37 - 02:42:49
   FSP Start of Line 2637 2637 02:42:57
   MSP      
   LSP End of Line 936 936 06:13:30
   EOL Dummy Record(s)      
   EOL Noise Record(s)   935 - 935  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2637 - 936 2637 - 936 02:42:57-06:13:30 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7.0 mtrs    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1016B, pressure now 1018mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. Bird 1-15 occ intermittent comms. Cables 7 & 8 bird 1 occ running @ 8.5 mtrs    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2649 - 2220 2649 - 2220 1 886  
  2219 - 1790 2219 - 1790 2 887  
  1789 - 1360 1789 - 1360 1 888  
  1359 - 936 1359 - 936 2 889  
Stream 2
   Shot(s) Files Deck Reel Remark
  2649 - 2220 2649 - 2220 3 886  
  2219 - 1790 2219 - 1790 3 887  
  1789 - 1360 1789 - 1360 3 888  
  1359 - 936 1359 - 936 4 889  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL-936 1255 Killed traces  
ALL     ALL 172, 2871 Noisy Channels  
ALL     ALL 2641 Occ Spiking  
2648-936     936 1853 Killed traces  
1452     1452 ALL Gun autofire Gun 5-4 at 140 ms after aimpoint
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Fails Crossfeed  
ALL     ALL 1-17, 20, 22, 369-383, 737-752, 755, 763-764, 1105-1116, 1122-1126, 1128, 1130-1131, 1135, 1473-1485, 1487, 1489, 2209-2227, 2229-2230, 2232, 2577, 2584-2589, 2591-2593, 2601-2607 Slope alarm > 5% of total line
2577     2577 ALL Gun timing error Gun 3-5 error (ms) : -1.1
2523     2523 ALL Gun timing error Gun 3-5 error (ms) : -1.1
2475     2475 ALL Gun timing error Gun 2-3 error (ms) : 1.2
2413     2413 ALL Gun timing error Gun 2-3 error (ms) : 1.5
2273     2273 ALL Gun timing error Gun 2-3 error (ms) : 1.3
2151     2151 ALL Gun timing error Gun 2-3 error (ms) : 1.2
2125     2125 ALL Gun timing error Gun 2-3 error (ms) : 1.6
2017     2017 ALL Gun timing error Gun 2-3 error (ms) : 1.2
1965     1965 ALL Gun timing error Gun 2-3 error (ms) : 1.3
1933     1933 ALL Gun timing error Gun 3-5 error (ms) : -1.1
1899     1899 ALL Gun timing error Gun 2-3 error (ms) : 1.1
1879     1879 ALL Gun timing error Gun 2-3 error (ms) : 1.2
1827     1827 ALL Gun timing error Gun 2-3 error (ms) : 1.2
1461     1461 ALL Gun timing error Gun 2-3 error (ms) : 1.3
1425     1425 ALL Gun timing error Gun 2-3 error (ms) : 1.3
1395     1395 ALL Gun timing error Gun 2-3 error (ms) : 1.4
1109     1109 ALL Gun timing error Gun 2-3 error (ms) : 1.5
1089     1089 ALL Gun timing error Gun 2-3 error (ms) : 1.2
Comment
Shot(s)     File(s) Trace(s) Type Remark
2239     2239 NONE Bird depth out of spec Bird C1-15 displayed as 68 mtr, data spike
1436     1436 NONE Bird depth out of spec Bird C1-15 displayed as 68 mtr, data spike


 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 10:48:07utc 21-Jan-2002