ACQUISITION REPORT Sequence-0171
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2048A171
  Preplot G01A2048
  Direction 198.0°
  SOL Date 12:46:30utc 01-Jan-2002
  EOL Date 17:16:12utc 01-Jan-2002
 Attributes:  
   Wind Force 12.0 [knots] Dir WSW
   Swell Height 1.5 [meters] Dir W
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 40.0 48.0 [meters]
   Bottomspeed  4.4 4.3 [knots]
   Featherangle sb +1.6 port -4.5 [deg]
   Cable noise 5.35 5.9 [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)   3283 - 3282  
   SOL Dummy Record(s) 3281 - 3252 3281 - 3252 12:42:23 - 12:46:22
   FSP Start of Line 3251 3251 12:46:30
   MSP      
   LSP End of Line 1214 1214 17:16:12
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1213 - 1212  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3251 - 1214 3251 - 1214 12:46:30-17:16:12 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1001mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3283 - 2854 3283 - 2854 1 708  
  2853 - 2424 2853 - 2424 2 709  
  2423 - 1994 2423 - 1994 1 710  
  1993 - 1564 1993 - 1564 2 711  
  1563 - 1213 1563 - 1213 1 712  
Stream 2
   Shot(s) Files Deck Reel Remark
  3283 - 2854 3283 - 2854 3 708  
  2853 - 2424 2853 - 2424 4 709  
  2423 - 1994 2423 - 1994 3 710  
  1993 - 1564 1993 - 1564 4 711  
  1563 - 1213 1563 - 1213 3 712  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1657, 2307, 2731 Spiking Trace(s)  
ALL     ALL 2871, 1159 Noisy Trace(s)  
ALL     ALL- 1853 Killed traces  
2979-2971     2979-2971 1841-2208 Parity errors Low Level scattered Parity errors on str # 6 - Approx 4 per trace
2763-2745     2763-2745 2651-2667 Bird depth out of spec Bird C8-5
2759-2745     2759-2745 2675-2691 Bird depth out of spec Bird C8-6
2749-2740     2749-2740 2699-2715 Bird depth out of spec Bird C8-7
2643-2637     2643-2637 2675-2691 Bird depth out of spec Bird C8-6
2637-2614     2637-2614 2699-2715 Bird depth out of spec Bird C8-7
2634-2615     2634-2615 2307-2323 Bird depth out of spec Bird C7-6
2628-2626     2628-2626 2675-2691 Bird depth out of spec Bird C8-6
2626-2624     2626-2624 2331-2347 Bird depth out of spec Bird C7-7
2616-2598     2616-2598 2331-2347 Bird depth out of spec Bird C7-7
2609-2608     2609-2608 2699-2715 Bird depth out of spec Bird C8-7
2601-2586     2601-2586 2355-2371 Bird depth out of spec Bird C7-8
2535-2510     2535-2510 2651-2667 Bird depth out of spec Bird C8-5
2533-2507     2533-2507 2283-2299 Monowing wash Low frequency, high amplitude noise due to monowing wash
2531-2494     2531-2494 2675-2691 Bird depth out of spec Bird C8-6
2527-2514     2527-2514 2307-2323 Bird depth out of spec Bird C7-6
2522-2474     2522-2474 2699-2715 Bird depth out of spec Bird C8-7
2521-2520     2521-2520 2723-2739 Bird depth out of spec Bird C8-8
2520-2505     2520-2505 2331-2347 Bird depth out of spec Bird C7-7
2508-2451     2508-2451 2723-2739 Bird depth out of spec Bird C8-8
2502-2488     2502-2488 2355-2371 Bird depth out of spec Bird C7-8
2487-2454     2487-2454 2747-2763 Bird depth out of spec Bird C8-9
2470-2456     2470-2456 2771-2787 Bird depth out of spec Bird C8-10
2460-2445     2460-2445 2795-2811 Bird depth out of spec Bird C8-11
2449-2441     2449-2441 2819-2835 Bird depth out of spec Bird C8-12
2040-2033     2040-2033 2627-2643 Bird depth out of spec Bird C8-4
2027-2020     2027-2020 2259-2275 Bird depth out of spec Bird C7-4
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1227, 1813   Fail crossfeed test
ALL     ALL 1-9, 12, 369-374, 377, 737-742, 744-745, 748, 1105-1113, 1473, 2209-2220, 2577, 2585-2586, 2588 Slope alarm > 5% of total line
3182     3182 ALL Gun timing error Gun 5-2 error (ms) : -1.9
3104     3104 ALL Gun timing error Gun 5-2 error (ms) : 1.7
3054     3054 ALL Gun timing error Gun 5-2 error (ms) : -1.8
2880-2740     2880-2740 ALL Air Pressure Air Pressure dropping due to high speed - Low of 1950psi
2764-2748     2764-2748 2627-2643 Bird depth out of spec Bird C8-4
2755-2734     2755-2734 2307-2323 Bird depth out of spec Bird C7-6
2746-2728     2746-2728 2331-2347 Bird depth out of spec Bird C7-7
2743-2729     2743-2729 2723-2739 Bird depth out of spec Bird C8-8
2736-2722     2736-2722 2355-2371 Bird depth out of spec Bird C7-8
2630-2599     2630-2599 2723-2739 Bird depth out of spec Bird C8-8
2625-2605     2625-2605 2675-2691 Bird depth out of spec Bird C8-6
2607-2594     2607-2594 2699-2715 Bird depth out of spec Bird C8-7
2601-2587     2601-2587 2307-2323 Bird depth out of spec Bird C8-9
2598-2583     2598-2583 2723-2739 Bird depth out of spec Bird C8-8
2533-2517     2533-2517 2283-2299 Bird depth out of spec Bird C7-5
2520-2502     2520-2502 2403-2419 Bird depth out of spec Bird C7-10
2519-2509     2519-2509 2723-2739 Bird depth out of spec Bird C8-8
2515-2500     2515-2500 2307-2323 Bird depth out of spec Bird C8-9
2513-2502     2513-2502 2307-2323 Bird depth out of spec Bird C7-6
2496-2488     2496-2488 2747-2763 Bird depth out of spec Bird C8-9
2487-2482     2487-2482 2355-2371 Bird depth out of spec Bird C7-8
2477-2471     2477-2471 2771-2787 Bird depth out of spec Bird C8-10
2474-2470     2474-2470 2403-2419 Bird depth out of spec Bird C7-10
2473-2466     2473-2466 2699-2715 Bird depth out of spec Bird C8-7
2450-2436     2450-2436 2723-2739 Bird depth out of spec Bird C8-8
2416-2397     2416-2397 2331-2347 Bird depth out of spec Bird C7-7
2414-2397     2414-2397 2699-2715 Bird depth out of spec Bird C8-7
2401-2384     2401-2384 2723-2739 Bird depth out of spec Bird C8-8
2316-2308     2316-2308 2651-2667 Bird depth out of spec Bird C8-5
2281-2269     2281-2269 2259-2275 Bird depth out of spec Bird C7-4
2277-2274     2277-2274 2283-2299 Bird depth out of spec Bird C7-5
2026-1997     2026-1997 2283-2299 Bird depth out of spec Bird C7-5
2019-2005     2019-2005 2259-2275 Bird depth out of spec Bird C7-4
1988     1988 ALL Gun timing error Gun 5-2 error (ms) : -1.6
1611-1593     1611-1593 2651-2667 Bird depth out of spec Bird C8-5
Comment
Shot(s)     File(s) Trace(s) Type Remark
2770-2720     2770-2720 NONE Monowing wash Bird instability C8-4 - C8-8 & C7-6 - C7-8 due to monowing wash
2640-2580     2640-2580 NONE Monowing wash Bird instability C8-6 - C8-9 & C7-6 - C7-8 due to monowing wash
2535-2440     2535-2440 NONE Monowing wash Bird instability C8-5 - C8-12 & C7-6 - C7-10 due to monowing wash
2415-2380     2415-2380 NONE Monowing wash Bird instability C8-7 - C8-8 & C7-6 - C7-7 due to monowing wash


 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 20:08:09utc 01-Jan-2002