ACQUISITION REPORT Sequence-0288
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4544A288
  Preplot G01A4544
  Direction 18.0°
  SOL Date 19:44:47utc 17-Feb-2002
  EOL Date 01:36:45utc 18-Feb-2002
 Attributes:  
   Wind Force 0.0 [knots] $(wind_dir)
   Swell Height 0.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 182.1 54.8 [meters]
   Bottomspeed  4.3 4.6 [knots]
   Featherangle sb +1.4 sb +0.2 [deg]
   Cable noise 0.0 5.01 [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)   1719 - 1720  
   SOL Dummy Record(s) 1721 - 1750 1721 - 1750 19:40:31 - 19:44:39
   FSP Start of Line 1751 1751 19:44:47
   MSP 3574 3574 23:59:57
   LSP End of Line 4316 4316 01:36:45
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4317 - 4318  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1751 - 4316 1751 - 4316 19:44:47-01:36:45 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. STB gun firing on ODD SP.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1719 - 2148 1719 - 2148 1 1155  
  2149 - 2578 2149 - 2578 2 1156  
  2579 - 3008 2579 - 3008 1 1157  
  3009 - 3438 3009 - 3438 2 1158  
  3439 - 3868 3439 - 3868 1 1159  
  3869 - 4298 3869 - 4298 1 1160  
  4299 - 4318 4299 - 4318 2 1161  
Stream 2
   Shot(s) Files Deck Reel Remark
  1719 - 2148 1719 - 2148 3 1155  
  2149 - 2578 2149 - 2578 4 1156  
  2579 - 3008 2579 - 3008 3 1157  
  3009 - 3438 3009 - 3438 4 1158  
  3439 - 3868 3439 - 3868 3 1159  
  3869 - 4298 3869 - 4298 4 1160  
  4299 - 4318 4299 - 4318 3 1161  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476, 1633 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1495 Noisy Trace(s)  
ALL     ALL 109, 1657, 2641 Spiking Trace(s)  
3579-3594     3579-3594 51-67 Bird depth out of spec Bird C1-4 Max Depth 9.9m
3595-3605     3595-3605 419-435 Bird depth out of spec Bird C2-4 Max Depth 9.6m
3603-3613     3603-3613 51-67 Bird depth out of spec Bird C1-4 Max Depth 9.4m
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Crossfeed occasionally fails crossfeed
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1 Occasionally deep 7.8 - 8.4m
ALL     ALL 1-17, 20, 22, 369-383, 390, 393, 405, 737-761, 763-764, 769-770, 1105-1142, 1144, 1147, 1164, 1473-1474, 1477-1489, 1493, 1495, 1508, 1514, 1841-1857, 1860, 1862-1864, 1867, 1873, 1880, 2209-2226, 2229-2232, 2239, 2577-2578, 2581-2582, 2584-2588, 2593, 2602 Slope alarm > 5% of total line
1770     1770 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2070-2082     2070-2082 443-459 Bird depth out of spec Bird C2-5
2520-2529     2520-2529 419-435 Bird depth out of spec Bird C2-4
2776     2776 ALL Gun timing error Gun 5-4 error (ms) : -1.1
3535-3543     3535-3543 443-459 Bird depth out of spec Bird C2-5
3548     3548 ALL Gun timing error Gun 5-4 error (ms) : -1.3
3580-3593     3580-3593 30-72 Noisy Trace(s) Excessive noise due to monowing wash
3583-3605     3583-3605 75-91 Bird depth out of spec Bird C1-5
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 16:23:57utc 24-Feb-2002