ACQUISITION REPORT Sequence-0215
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1648A215
  Preplot G01A1648
  Direction 18.0°
  SOL Date 08:28:02utc 21-Jan-2002
  EOL Date 12:31:15utc 21-Jan-2002
 Attributes:  
   Wind Force 12.0 [knots] Dir SE
   Swell Height 0.8 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 99 [avg]  
       
  SOL EOL  
   Waterdepth 41.0 29.0 [meters]
   Bottomspeed  4.4 4.5 [knots]
   Featherangle sb +0.4 sb +1.5 [deg]
   Cable noise 5.2 4.6 [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)   1068 - 1069  
   SOL Dummy Record(s) 1070 - 1079 1070 - 1079 08:26:40 - 08:27:54
   FSP Start of Line 1080 1080 08:28:02
   MSP      
   LSP End of Line 2956 2956 12:31:15
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2957 - 2958  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1080 - 2956 1080 - 2956 08:28:02-12:31:15 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Occasional small timing errors gun 2-3 (approx 1.7% of line). Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1022 mB, pressure now 1018mB. Bird 4-17 dead SSE functions on TRISOR disabled, GUNPOS block NOT recorded.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1068 - 1497 1068 - 1497 1 890  
  1498 - 1927 1498 - 1927 2 891  
  1928 - 2357 1928 - 2357 1 892  
  2358 - 2787 2358 - 2787 2 893  
  2788 - 2958 2788 - 2958 2 894  
Stream 2
   Shot(s) Files Deck Reel Remark
  1068 - 1497 1068 - 1497 4 890  
  1498 - 1927 1498 - 1927 3 891  
  1928 - 2357 1928 - 2357 4 892  
  2358 - 2787 2358 - 2787 3 893  
  2788 - 2958 2788 - 2958 4 894  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 1255 Killed traces  
ALL     ALL- 1853 Killed traces  
ALL     ALL 172, 2871 Noisy  
1658     1658 ALL Gun autofire Gun 5-4 at 140 ms after aimpoint
2220     2220 ALL Gun autofire Gun 5-4 at 130 ms after aimpoint
2406     2406 ALL Gun autofire Gun 5-4 at 140 ms after aimpoint
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Fails Crossfeed  
1099     1099 ALL Gun timing error Gun 2-3 error (ms) : 1.4
1137     1137 ALL Gun timing error Gun 2-3 error (ms) : 1.2
1181     1181 ALL Gun timing error Gun 2-3 error (ms) : 1.3
1371     1371 ALL Gun timing error Gun 2-3 error (ms) : 1.8
1403     1403 ALL Gun timing error Gun 2-3 error (ms) : 1.2
1427     1427 ALL Gun timing error Gun 2-3 error (ms) : 1.1
1531     1531 ALL Gun timing error Gun 2-3 error (ms) : 1.6
1573     1573 ALL Gun timing error Gun 2-3 error (ms) : 1.3
1613     1613 ALL Gun timing error Gun 2-3 error (ms) : 1.5
1635     1635 ALL Gun timing error Gun 2-3 error (ms) : 1.1
1647     1647 ALL Gun timing error Gun 1-2 error (ms) : 1.6
1663     1663 ALL Gun timing error Gun 2-3 error (ms) : 1.1
1725     1725 ALL Gun timing error Gun 2-3 error (ms) : 1.6
1749     1749 ALL Gun timing error Gun 2-3 error (ms) : 1.2
1891     1891 ALL Gun timing error Gun 2-3 error (ms) : 1.7
1927     1927 ALL Gun timing error Gun 2-3 error (ms) : 1.1
1953     1953 ALL Gun timing error Gun 2-3 error (ms) : 1.5
2179     2179 ALL Manifold pressure Increasing manifold pressure to nominal
2255     2255 ALL Gun timing error Gun 3-4 error (ms) : -1.1
2315     2315 ALL Gun timing error Gun 2-3 error (ms) : 1.5
2487     2487 ALL Gun timing error Gun 2-3 error (ms) : 1.3
2495     2495 ALL Gun timing error Gun 3-4 error (ms) : -1.1
2559     2559 ALL Gun timing error Gun 2-3 error (ms) : 1.3
2591     2591 ALL Gun timing error Gun 2-3 error (ms) : 1.3
2605     2605 ALL Gun timing error Gun 3-4 error (ms) : -1.1
2611     2611 ALL Gun timing error Gun 2-3 error (ms) : 1.4
2679     2679 ALL Gun timing error Gun 2-3 error (ms) : 1.6
2703     2703 ALL Gun timing error Gun 3-4 error (ms) : 1.3
2713     2713 ALL Gun timing error Gun 2-3 error (ms) : 1.3
2719     2719 ALL Gun timing error Gun 3-4 error (ms) : 1.1
2749     2749 ALL Gun timing error Gun 2-3 error (ms) : 1.2
2865     2865 ALL Gun timing error Gun 3-4 error (ms) : 1.2
2887     2887 ALL Gun timing error Gun 2-3 error (ms) : 1.6
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE Bad Bird Bird 4-17 intermittant comms


 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 21:04:24utc 21-Jan-2002