ACQUISITION REPORT Sequence-0431
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4064K431
  Preplot G01A4064
  Direction 18.0°
  SOL Date 02:43:57utc 12-May-2002
  EOL Date 04:05:19utc 12-May-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir NNW
   Swell Height 1.0 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 60.8 55.2 [meters]
   Bottomspeed  4.2 4.3 [knots]
   Featherangle port -1.2 port -2.6 [deg]
   Cable noise 5.4 19.1 [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)   2609 - 2610  
   SOL Dummy Record(s) 2611 - 2640 2611 - 2640 02:39:39 - 02:43:49
   FSP Start of Line 2641 2641 02:43:57
   MSP      
   LSP End of Line 3200 3200 04:05:19
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4297 - 4298  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2641 - 3200 2641 - 3200 02:43:57-04:05:19 Infill 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m    
   Recording QC Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1021mB. Low frequency strumming Str 6 channels 1841 - 1875.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2609 - 3038 2609 - 3038 2 1805  
  3039 - 4298 3039 - 4298 2 1806  
Stream 2
   Shot(s) Files Deck Reel Remark
  2609 - 3038 2609 - 3038 3 1805  
  3039 - 4298 3039 - 4298 4 1806  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1663, 2782 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 337, 349, 791, 1553 Spiking Trace(s)  
ALL     ALL 1857 Noisy Trace(s)  
ALL     ALL- 744, 2764 Killed traces  
2744-2753     2744-2753 2651-2667 Bird depth out of spec Bird C8-5 max depth 9.7m
2748-2755     2748-2755 2675-2691 Bird depth out of spec Bird C8-6 max depth 9.3m
3140-3170     3140-3170 1-90 Streamer noise Low frequency noise dt turn
3140-3170     3140-3170 369-459 Streamer noise Low frequency noise dt turn
3140-3170     3140-3170 737-827 Streamer noise Low frequency noise dt turn
3140-3170     3140-3170 1105-1195 Streamer noise Low frequency noise dt turn
3140-3170     3140-3170 1473-1563 Streamer noise Low frequency noise dt turn
3140-3170     3140-3170 1841-1931 Streamer noise Low frequency noise dt turn
3150-3200     3150-3200 2209-2315 Streamer noise Low frequency noise dt turn
3150-3200     3150-3200 2577-2685 Streamer noise Low frequency noise dt turn
3171-3200     3171-3200 1-140 Streamer noise Low frequency noise dt turn
3171-3200     3171-3200 369-509 Streamer noise Low frequency noise dt turn
3171-3200     3171-3200 737-877 Streamer noise Low frequency noise dt turn
3171-3200     3171-3200 1105-1245 Streamer noise Low frequency noise dt turn
3171-3200     3171-3200 1473-1613 Streamer noise Low frequency noise dt turn
3171-3200     3171-3200 1841-1981 Streamer noise Low frequency noise dt turn
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1316 PS Test Fails PS test
ALL     ALL 1-20, 22-24, 33-34, 369-385, 387-390, 392-393, 405, 1105-1117, 1119-1126, 1129-1135, 1147, 1473-1474, 1476-1491, 1493-1495, 1499-1500, 1508, 1510, 1512, 1841-1857, 1860-1862, 1864, 1866-1867, 1873, 1875, 2209-2226, 2229-2232, 2577-2589, 2591-2592, 2594, 2601-2603 Slope alarm > 5% of total line
2712-2725     2712-2725 2259-2275 Bird depth out of spec Bird C7-4
2713-2725     2713-2725 2283-2299 Bird depth out of spec Bird C7-5
2716-2727     2716-2727 2307-2323 Bird depth out of spec Bird C7-6
Comment
Shot(s)     File(s) Trace(s) Type Remark
3115     3115 ALL Line Information Port turn to avoid rig


 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 04:37:08utc 12-May-2002