ACQUISITION REPORT Sequence-0293
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3696A293
  Preplot G01A3696
  Direction 18.0°
  SOL Date 05:41:27utc 23-Feb-2002
  EOL Date 11:27:28utc 23-Feb-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir WSW
   Swell Height 2.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 60.0 48.0 [meters]
   Bottomspeed  4.7 4.1 [knots]
   Featherangle port -8.0 port -5.9 [deg]
   Cable noise 6.1 5.3 [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)   1747 - 1748  
   SOL Dummy Record(s) 1749 - 1778 1749 - 1778 05:37:35 - 05:41:19
   FSP Start of Line 1779 1779 05:41:27
   MSP      
   LSP End of Line 4254 4254 11:27:28
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4255 - 4256  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1779 - 4254 1779 - 4254 05:41:27-11:27:28 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m. NAVRT External Header Block defines Job No. 9170B    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1022mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1747 - 2176 1747 - 2176 1 1187  
  2177 - 2606 2177 - 2606 2 1188  
  2607 - 3036 2607 - 3036 1 1189  
  3037 - 3466 3037 - 3466 1 1190  
  3467 - 3896 3467 - 3896 2 1191  
  3897 - 4256 3897 - 4256 1 1192  
Stream 2
   Shot(s) Files Deck Reel Remark
  1747 - 2176 1747 - 2176 4 1187  
  2177 - 2606 2177 - 2606 3 1188  
  2607 - 3036 2607 - 3036 4 1189  
  3037 - 3466 3037 - 3466 3 1190  
  3467 - 3896 3467 - 3896 4 1191  
  3897 - 4256 3897 - 4256 3 1192  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 1473, 2641 Killed traces  
ALL     ALL 1476, 1633 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 109, 1657 Spiking Trace(s)  
ALL     ALL 1495 Noisy Trace(s)  
3140-3151     3140-3151 NONE Bird depth out of spec Bird C1-4, max depth 9.7m
3141-3148     3141-3148 419-435 Bird depth out of spec Bird C2-4, max depth 9.9m
3437-3446     3437-3446 443-459 Bird depth out of spec Bird C2-5, min depth 4.6m
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2209-2213 Bird depth out of spec Streamer #7 bird 1 occassionally deep 8.1-8.4
ALL     ALL 2034 Crossfeed Fail crossfeed test
ALL     ALL 1-12, 15-16, 369-383, 390, 737-761, 763-764, 1105-1113, 1115-1116, 1122-1126, 1128-1135, 1137-1138, 1147, 1481-1485, 1487, 1489, 1841-1857, 1860-1866, 2209-2226, 2229-2230, 2232, 2577, 2584-2589, 2591, 2601-2602 Slope alarm > 5% of total line
1836     1836 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1981     1981 ALL Gun timing error Gun 1-4 error (ms) : 1.2
2459-2471     2459-2471 443-459 Bird depth out of spec Bird C2-5
3141-3153     3141-3153 75-91 Bird depth out of spec Bird C1-5
3149-3153     3149-3153 419-435 Bird depth out of spec Bird C2-4
3435-3454     3435-3454 467-483 Bird depth out of spec Bird C2-6
3543-3552     3543-3552 419-435 Bird depth out of spec Bird C2-4
3544-3558     3544-3558 443-459 Bird depth out of spec Bird C2-5
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 16:24:01utc 24-Feb-2002