ACQUISITION REPORT Sequence-0116
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3136A116
  Preplot G01A3136
  Direction 18.0°
  SOL Date 00:06:56utc 15-Dec-2001
  EOL Date 04:34:02utc 15-Dec-2001
 Attributes:  
   Wind Force 10.0 [knots] Dir SW
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 61.0 46.9 [meters]
   Bottomspeed  4.8 4.76 [knots]
   Featherangle port -7.0 sb +2.7 [deg]
   Cable noise 5.5 5.23 [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)   1567 - 1568  
   SOL Dummy Record(s) 1569 - 1598 1569 - 1598 00:03:06 - 00:06:49
   FSP Start of Line 1599 1599 00:06:56
   MSP      
   LSP End of Line 3669 3669 04:34:02
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3670 - 3671  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1599 - 3669 1599 - 3669 00:06:56-04:34:02 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7. 0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017 mB, pressure now 1017 mB.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1567 - 1996 1567 - 1996 1 477  
  1997 - 2426 1997 - 2426 2 478  
  2427 - 2856 2427 - 2856 1 479  
  2857 - 3286 2857 - 3286 2 480  
  3287 - 3671 3287 - 3671 1 481  
Stream 2
   Shot(s) Files Deck Reel Remark
  1567 - 1996 1567 - 1996 3 477  
  1997 - 2426 1997 - 2426 4 478  
  2427 - 2856 2427 - 2856 4 479  
  2857 - 3286 2857 - 3286 3 480  
  3287 - 3671 3287 - 3671 4 481  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1191, 2307 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 2871 Noisy Trace(s)  
2297     2297 ALL Gun timing error Gun 1-2 error (ms) : -2.1
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1227, 2301 Crossfeed Fails crossfeed test
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1 deep all line approx. 7.8 - 8.2m
ALL     ALL 4-9, 12, 369-373, 377, 737-749, 751-752, 755, 764, 1105-1113, 1126, 1130, 1473, 1484, 1489, 1499, 1841-1843, 1845-1850, 1852, 1856, 2209-2211, 2213-2214, 2217 Slope alarm > 5% of total line
1773     1773 ALL Gun timing error Gun 2-2 error (ms) : -1.8
1833     1833 ALL Gun timing error Gun 2-2 error (ms) : -1.8
1919     1919 ALL Gun timing error Gun 2-2 error (ms) : -1.8
2128     2128 ALL TRISOR input NFH & ExtHdr GUNPOS block not recorded
2196     2196 ALL TRISOR input NFH & ExtHdr GUNPOS block not recorded
2215-2220     2215-2220 75-91 Bird depth out of spec Bird C1-5
2223     2223 99-115 Bird depth out of spec Bird C1-6
2289     2289 859-875 Bird depth out of spec Bird C3-7
2299     2299 ALL Gun timing error Gun 1-2 error (ms) : -1.7
2364-2365     2364-2365 123-139 Bird depth out of spec Bird C1-7
2384-2386     2384-2386 75-91 Bird depth out of spec Bird C1-5
2387-2391     2387-2391 75-91 Bird depth out of spec Bird C1-5
2388     2388 99-115 Bird depth out of spec Bird C1-6
2390     2390 99-115 Bird depth out of spec Bird C1-6
2392     2392 75-91 Bird depth out of spec Bird C1-5
2395-2399     2395-2399 75-91 Bird depth out of spec Bird C1-5
2396-2404     2396-2404 99-115 Bird depth out of spec Bird C1-6
2407     2407 75-91 Bird depth out of spec Bird C1-5
2436-2437     2436-2437 99-115 Bird depth out of spec Bird C1-6
2615     2615 369-373 Bird depth out of spec Bird C2-1
2958-2959     2958-2959 1459-1472 Bird depth out of spec Bird C4-17
3015     3015 859-875 Bird depth out of spec Bird C3-7
3023     3023 859-875 Bird depth out of spec Bird C3-7
3199     3199 ALL Gun timing error Gun 2-2 error (ms) : -1.6
3280-3283     3280-3283 419-435 Bird depth out of spec Bird C2-4
3313     3313 395-411 Bird depth out of spec Bird C2-3
3373     3373 ALL Gun timing error Gun 2-3 error (ms) : -1.3
3375     3375 ALL Gun timing error Gun 2-3 error (ms) : -1.4
3377     3377 ALL Gun timing error Gun 2-3 error (ms) : -1.4
3495-3496     3495-3496 369-373 Bird depth out of spec Bird C2-1
3541     3541 ALL Gun timing error Gun 1-2 error (ms) : -1.8
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 14:10:29utc 17-Dec-2001