ACQUISITION REPORT Sequence-0432
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3984B432
  Preplot G01A3984
  Direction 198.0°
  SOL Date 07:08:22utc 12-May-2002
  EOL Date 09:05:35utc 12-May-2002
 Attributes:  
   Wind Force 0.0 [knots] $(wind_dir)
   Swell Height 0.75 [meters] Dir S
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 59.8 63.0 [meters]
   Bottomspeed  4.6 4.5 [knots]
   Featherangle sb +1.5 port -5.5 [deg]
   Cable noise 5.9 20.0 [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)   2807 - 2806  
   SOL Dummy Record(s) 2805 - 2776 2805 - 2776 07:04:23 - 07:08:14
   FSP Start of Line 2775 2775 07:08:22
   MSP      
   LSP End of Line 1930 1930 09:05:35
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1394 - 1393  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2775 - 1930 2775 - 1930 07:08:22-09:05:35 Infill 16 Valid Infill line - line name incorrect
 Remarks:      
   Navigation Streamer depth 7m    
   Recording QC Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1022mB. Low frequency strumming Str 6 channels 1841 - 1875.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2807 - 2378 2807 - 2378 2 1807  
  2377 - 1948 2377 - 1948 1 1808  
  1947 - 1393 1947 - 1393 2 1809  
Stream 2
   Shot(s) Files Deck Reel Remark
  2807 - 2378 2807 - 2378 4 1807  
  2377 - 1948 2377 - 1948 3 1808  
  1947 - 1393 1947 - 1393 4 1809  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 744, 2764 Killed traces  
ALL     ALL 1633, 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)  
2764-2752     2764-2752 2259-2275 Bird depth out of spec Bird C7-4, Max depth 9.8m
2761-2746     2761-2746 2699-2715 Bird depth out of spec Bird C8-7, Max depth 9.7m
2760-2749     2760-2749 2627-2643 Bird depth out of spec Bird C8-4, Max depth 10.0m
2756-2740     2756-2740 2723-2739 Bird depth out of spec Bird C8-8, Max depth 9.4m
2743-2733     2743-2733 2675-2691 Bird depth out of spec Bird C8-6, Max depth 10.5m
2039-2025     2039-2025 35-87 Monowing wash Low frequency, high amplitude noise due to monowing wash
1962-1930     1962-1930 1-90 Streamer noise Low frequency noise dt turn
1962-1930     1962-1930 369-459 Streamer noise Low frequency noise dt turn
1962-1930     1962-1930 737-827 Streamer noise Low frequency noise dt turn
1962-1930     1962-1930 1105-1195 Streamer noise Low frequency noise dt turn
1962-1930     1962-1930 1473-1563 Streamer noise Low frequency noise dt turn
1962-1930     1962-1930 1841-1931 Streamer noise Low frequency noise dt turn
1962-1930     1962-1930 2209-2299 Streamer noise Low frequency noise dt turn
1962-1930     1962-1930 2577-2667 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, 22-25, 33, 369-385, 387-390, 393, 405, 1105-1126, 1130-1135, 1147, 1473, 1477-1490, 1493-1495, 1508, 1841-1857, 1860-1862, 1864, 1867, 1873, 1875, 2209-2226, 2229-2232, 2577-2589, 2591-2592, 2594-2595, 2602-2603 Slope alarm > 5% of total line
2774-2762     2774-2762 2699-2715 Bird depth out of spec Bird C8-7
2769-2759     2769-2759 2723-2739 Bird depth out of spec Bird C8-8
2761-2747     2761-2747 2283-2299 Bird depth out of spec Bird C7-5
2754-2738     2754-2738 2651-2667 Bird depth out of spec Bird C8-5
2750-2730     2750-2730 2747-2763 Bird depth out of spec Bird C8-9
2745-2727     2745-2727 2699-2715 Bird depth out of spec Bird C8-7
2739-2728     2739-2728 2723-2739 Bird depth out of spec Bird C8-8
2683     2683 ALL Gun timing error Gun 2-3 error (ms) : -1.1
2275-2262     2275-2262 2627-2643 Bird depth out of spec Bird C8-4
2273-2261     2273-2261 2651-2667 Bird depth out of spec Bird C8-5
2267-2257     2267-2257 2259-2275 Bird depth out of spec Bird C7-4
2176     2176 ALL Gun timing error Gun 5-2 error (ms) : -1.7
2035     2035 ALL Gun Timing Error Gun 2-3 error (ms) : -1.1
1981     1981 ALL Gun timing error Gun 2-3 error (ms) : -1.1
1979-1969     1979-1969 99-115 Bird depth out of spec Bird C1-6
Comment
Shot(s)     File(s) Trace(s) Type Remark
2006     2006 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 11:15:49utc 12-May-2002