ACQUISITION REPORT Sequence-0372
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4032B372
  Preplot G01A4032
  Direction 198.0°
  SOL Date 10:17:43utc 22-Apr-2002
  EOL Date 16:24:19utc 22-Apr-2002
 Attributes:  
   Wind Force 8.0 [knots] Dir SE
   Swell Height 2.5 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 47.0 70.0 [meters]
   Bottomspeed  4.8 4.0 [knots]
   Featherangle sb +7.1 port -4.0 [deg]
   Cable noise 10.0 9.5 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]
   Port Volume 3542 3542  
   Stbd Volume 3542 3307  

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)   4206 - 4205  
   SOL Dummy Record(s) 4204 - 4175 4204 - 4175 10:13:54 - 10:17:35
   FSP Start of Line 4174 4174 10:17:43
   MSP      
   LSP End of Line 1424 1424 16:24:19
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1423 - 1422  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4174 - 1424 4174 - 1424 10:17:43-16:24:19 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1019mB, pressure now 1020mB. 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
  4206 - 3777 4206 - 3777 2 1563  
  3776 - 3347 3776 - 3347 1 1564  
  3346 - 2917 3346 - 2917 2 1565  
  2916 - 2487 2916 - 2487 1 1566  
  2486 - 2057 2486 - 2057 2 1567  
  2056 - 1627 2056 - 1627 1 1568  
  1626 - 1423 1626 - 1423 2 1569  
Stream 2
   Shot(s) Files Deck Reel Remark
  4206 - 3777 4206 - 3777 4 1563  
  3776 - 3347 3776 - 3347 3 1564  
  3346 - 2917 3346 - 2917 4 1565  
  2916 - 2487 2916 - 2487 3 1566  
  2486 - 2057 2486 - 2057 4 1567  
  2056 - 1627 2056 - 1627 3 1568  
  1626 - 1423 1626 - 1423 4 1569  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 744 Killed Trace(s)  
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 11, 1553, 1801, 2265, 2355-2356 Spiking Trace(s)  
ALL     ALL 1159, 2827, 2871 Noisy Trace(s)  
3720-3716     3720-3716 75-91 Bird depth out of spec Bird C1-5
3145-3121     3145-3121 2675-2691 Bird depth out of spec Bird C8-6
2503     2503 ALL Gun timing error Gun 3-2 error (ms) : 3.6
2435     2435 ALL Gun timing error Gun 3-2 error (ms) : 2.4
2429     2429 ALL Gun not fired Gun 3-2. Source volume : 3307 cu.in.
2427     2427 ALL Gun not fired Gun 3-2. Source volume : 3307 cu.in.
2425     2425 ALL Gun not fired Gun 3-2. Source volume : 3307 cu.in.
2423     2423 ALL Gun not fired Gun 3-2. Source volume : 3307 cu.in.
2421     2421 ALL Gun not fired Gun 3-2. Source volume : 3307 cu.in.
2419     2419 ALL Gun not fired Gun 3-2. Source volume : 3307 cu.in.
1906-1870     1906-1870 382, 398, 414, 430, 446, 462, 478, 494, 510, 526, 542, 558, 574, 590, 606, 622, 638, 654, 670, 686, 702, 718, 734 Parity errors Paritys on Str#2, line 14
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2195-2206 No Communication Bird C6-17 dead
ALL     ALL 1-14, 16-17, 20, 22, 369-384, 390, 1105-1116, 1121-1126, 1128-1135, 1473, 1480-1485, 1487, 1489, 1841-1857, 1860-1864, 1866-1867, 1873, 2209-2226, 2229-2230, 2232, 2577-2578, 2584-2589, 2591, 2602 Slope alarm > 5% of total line
4019     4019 ALL Gun timing error Gun 1-2 error (ms) : -2.0
3877-3853     3877-3853 2155-2171 Bird depth out of spec Bird C6-15
3715-3705     3715-3705 75-91 Bird depth out of spec Bird C1-5
3441-3431     3441-3431 2675-2691 Bird depth out of spec Bird C8-6
3415-3403     3415-3403 2675-2691 Bird depth out of spec Bird C8-6
3405-3393     3405-3393 2355-2371 Bird depth out of spec Bird C7-8
3278-3266     3278-3266 2355-2371 Bird depth out of spec Bird C7-8
3238-3218     3238-3218 2675-2691 Bird depth out of spec Bird C8-6
3157-3142     3157-3142 2627-2643 Bird depth out of spec Bird C8-4
3156-3144     3156-3144 2651-2667 Bird depth out of spec Bird C8-5
3153-3146     3153-3146 2675-2691 Bird depth out of spec Bird C8-6
3143-3129     3143-3129 2283-2299 Bird depth out of spec Bird C7-5
3141-3128     3141-3128 2651-2667 Bird depth out of spec Bird C8-5
3140-3119     3140-3119 2699-2715 Bird depth out of spec Bird C8-7
3126     3126 ALL Gun timing error Gun 5-4 error (ms) : -1.1
3120-3109     3120-3109 2675-2691 Bird depth out of spec Bird C8-6
3086     3086 ALL Gun timing error Gun 5-4 error (ms) : -1.1
3082     3082 ALL Gun timing error Gun 5-4 error (ms) : -1.2
3003     3003 ALL Gun timing error Gun 1-2 error (ms) : -1.6
2547     2547 ALL Gun timing error Gun 3-2 error (ms) : 1.6
2509     2509 ALL Gun timing error Gun 3-2 error (ms) : 1.6
2505     2505 ALL Gun timing error Gun 3-2 error (ms) : 1.7
2415     2415 ALL Gun timing error Gun 3-1 error (ms) : -1.8
2413     2413 ALL Gun timing error Gun 3-1 error (ms) : -1.7
1921-1910     1921-1910 2155-2171 Bird depth out of spec Bird C6-15
1747     1747 ALL Gun timing error Gun 1-2 error (ms) : -1.9
1558-1536     1558-1536 51-67 Bird depth out of spec Bird C1-4
1552-1540     1552-1540 419-435 Bird depth out of spec Bird C2-4
Comment
Shot(s)     File(s) Trace(s) Type Remark
2418-EOL     2418-EOL ALL Gun disabled Gun 3-2. Source volume at shot 2418 : 3307 cu.in.


 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 01:49:19utc 23-Apr-2002