ACQUISITION REPORT Sequence-0357
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4000A357
  Preplot G01A4000
  Direction 198.0°
  SOL Date 23:02:09utc 11-Apr-2002
  EOL Date 05:12:00utc 12-Apr-2002
 Attributes:  
   Wind Force 7.0 [knots] Dir NE
   Swell Height 0.5 [meters] Dir NE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 49.0 69.0 [meters]
   Bottomspeed  4.6 4.9 [knots]
   Featherangle sb +1.1 port -3.6 [deg]
   Cable noise 5.6 5.35 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]
   Port Volume 3542 3488  
   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)   4185 - 4184  
   SOL Dummy Record(s) 4183 - 4174 4183 - 4174 23:00:48 - 23:02:01
   FSP Start of Line 4173 4173 23:02:09
   MSP 3745 3745 23:59:55
   LSP End of Line 1411 1411 05:12:00
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1410 - 1409  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4173 - 1411 4173 - 1411 23:02:09-05:12:00 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1026mB, pressure now 1018mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  4185 - 3756 4185 - 3756 1 1491  
  3755 - 3326 3755 - 3326 2 1492  
  3325 - 2896 3325 - 2896 1 1493  
  2895 - 2466 2895 - 2466 2 1494  
  2465 - 2036 2465 - 2036 1 1495  
  2035 - 1606 2035 - 1606 2 1496  
  1605 - 1409 1605 - 1409 1 1497  
Stream 2
   Shot(s) Files Deck Reel Remark
  4185 - 3756 4185 - 3756 3 1491  
  3755 - 3326 3755 - 3326 4 1492  
  3325 - 2896 3325 - 2896 3 1493  
  2895 - 2466 2895 - 2466 4 1494  
  2465 - 2036 2465 - 2036 3 1495  
  2035 - 1606 2035 - 1606 4 1496  
  1605 - 1409 1605 - 1409 3 1497  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 2265, 1801, 1553 Spiking Trace(s)  
ALL     ALL 1159, 2871 Noisy Trace(s)  
2455-2447     2455-2447 2627-2643 Bird depth out of spec Bird C8-4, max 9.9 m
2454-2439     2454-2439 2259-2275 Bird depth out of spec Bird C7-4, max 10.1m
2403-2382     2403-2382 2259-2275 Bird depth out of spec Bird C7-4, max 9.7 m
2330-2320     2330-2320 2259-2275 Bird depth out of spec Bird C7-4, max 9.6 m
2275-2269     2275-2269 2259-2275 Bird depth out of spec Bird C7-4, max 9.5 m
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-17, 19-20, 22-25, 33, 369-385, 387-393, 405, 737-764, 769, 1105-1138, 1144, 1147, 1473, 1476-1487, 1489, 1495, 1841-1867, 1873, 1875, 1877, 2209-2227, 2229-2232, 2239, 2577-2589, 2591, 2601-2602, 2605 Slope alarm > 5% of total line
4172-4126     4172-4126 NONE Gun not fired Broken arcnet - gun 5-8 not fired - volume port 3488 ci.
4125     4125 ALL Gun disabled Gun 5-8 disabled. New source volume 3488 cu.inch.
4082     4082 ALL Gun Timing Error Gun 5-3 (-1.1 ms)
3918     3918 ALL Gun Timing Error Gun 5-3 (-1.1 ms)
3832     3832 ALL Gun Timing Error Gun 5-3 (-1.2 ms)
3726     3726 ALL Gun timing error Gun 5-3 error (ms) : -1.4
3726     3726 ALL Gun Timing Error Gun 5-3 (-1.4 ms)
3596     3596 ALL Gun timing error Gun 5-3 error (ms) : -1.3
3468     3468 ALL Gun timing error Gun 5-3 error (ms) : -1.3
3460     3460 ALL Rig bounce Strong reflections seen from nearby rigs mainly in 2-5 seconds.
3194     3194 ALL Gun timing error Gun 5-3 error (ms) : -1.3
2857-2854     2857-2854 NONE Bird depth out of spec Bird C7-7
2830     2830 ALL Gun timing error Gun 5-3 error (ms) : -1.1
2786     2786 ALL Gun timing error Gun 5-3 error (ms) : -1.8
2457-2447     2457-2447 NONE Bird depth out of spec Bird C8-3
2456-2447     2456-2447 NONE Bird depth out of spec Bird C7-3
2454-2438     2454-2438 NONE Bird depth out of spec Bird C7-5
2453-2442     2453-2442 NONE Bird depth out of spec Bird C8-5
2401-2383     2401-2383 NONE Bird depth out of spec Bird C7-9
2318     2318 ALL Gun timing error Gun 5-3 error (ms) : -1.1
2002     2002 ALL Gun timing error Gun 5-3 error (ms) : -1.3
1970     1970 ALL Gun timing error Gun 5-3 error (ms) : -1.3
1906     1906 ALL Gun timing error Gun 5-3 error (ms) : -1.7
1892     1892 ALL Gun timing error Gun 5-3 error (ms) : -1.2
1864     1864 ALL Gun timing error Gun 5-3 error (ms) : -1.3
1804     1804 ALL Gun timing error Gun 5-3 error (ms) : -1.3
1730     1730 ALL Gun timing error Gun 5-3 error (ms) : -1.8
1602     1602 ALL Gun timing error Gun 5-3 error (ms) : -1.5
1496     1496 ALL Gun timing error Gun 5-3 error (ms) : -1.1
1474     1474 ALL Gun timing error Gun 5-3 error (ms) : -1.2
1472     1472 ALL Gun timing error Gun 5-3 error (ms) : -1.3
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 06:57:46utc 12-Apr-2002