ACQUISITION REPORT Sequence-0356
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4480A356
  Preplot G01A4480
  Direction 18.0°
  SOL Date 13:15:40utc 11-Apr-2002
  EOL Date 19:28:20utc 11-Apr-2002
 Attributes:  
   Wind Force 8.0 [knots] Dir NE
   Swell Height 0.75 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 117.0 52.4 [meters]
   Bottomspeed  4.4 4.11 [knots]
   Featherangle port -3.0 port -2.1 [deg]
   Cable noise 5.19 4.53 [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
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)   1713 - 1714  
   SOL Dummy Record(s) 1715 - 1724 1715 - 1724 13:14:16 - 13:15:32
   FSP Start of Line 1725 1725 13:15:40
   MSP      
   LSP End of Line 4313 4313 19:28:20
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4314 - 4315  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1725 - 4313 1725 - 4313 13:15:40-19:28:20 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 1018mB. 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
  1713 - 2142 1713 - 2142 1 1484  
  2143 - 2572 2143 - 2572 2 1485  
  2573 - 3002 2573 - 3002 1 1486  
  3003 - 3432 3003 - 3432 2 1487  
  3433 - 3862 3433 - 3862 1 1488  
  3863 - 4292 3863 - 4292 2 1489  
  4293 - 4315 4293 - 4315 1 1490  
Stream 2
   Shot(s) Files Deck Reel Remark
  1713 - 2142 1713 - 2142 3 1484  
  2143 - 2572 2143 - 2572 4 1485  
  2573 - 3002 2573 - 3002 3 1486  
  3003 - 3432 3003 - 3432 4 1487  
  3433 - 3862 3433 - 3862 3 1488  
  3863 - 4292 3863 - 4292 4 1489  
  4293 - 4315 4293 - 4315 3 1490  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1159, 2871 Noisy Trace(s)  
ALL     ALL 2265, 1801, 1553, 1032 Spiking Trace(s)  
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
1976     1976 1041-1048 Streamer Earth Leakage  
1976     1976 1059-1072 Streamer Earth Leakage  
2011     2011 1059-1072 Streamer Earth Leakage  
2011     2011 1041-1048 Streamer Earth Leakage  
2034     2034 1041-1048 Streamer Earth Leakage  
2034     2034 1059-1072 Streamer Earth Leakage  
2124     2124 1059-1072 Streamer Earth Leakage  
2124     2124 1041-1048 Streamer Earth Leakage  
2473     2473 1041-1048 Streamer Earth Leakage  
2473     2473 1059-1072 Streamer Earth Leakage  
2482     2482 1041-1048 Streamer Earth Leakage  
2482     2482 1059-1072 Streamer Earth Leakage  
2486     2486 1041-1048 Streamer Earth Leakage  
2486     2486 1059-1072 Streamer Earth Leakage  
2489     2489 1041-1048 Streamer Earth Leakage  
2489     2489 1059-1072 Streamer Earth Leakage  
2582     2582 1041-1048 Streamer Earth Leakage  
2582     2582 1059-1072 Streamer Earth Leakage  
3283     3283 1041-1048 Streamer Earth Leakage  
3283     3283 1059-1072 Streamer Earth Leakage  
3336     3336 1041-1048 Streamer Earth Leakage  
3336     3336 1059-1072 Streamer Earth Leakage  
3568     3568 1059-1072 Streamer Earth Leakage  
3568     3568 1041-1048 Streamer Earth Leakage  
3703     3703 1041-1048 Streamer Earth Leakage  
3703     3703 1059-1072 Streamer Earth Leakage  
3922     3922 1041-1048 Streamer Earth Leakage  
3922     3922 1059-1072 Streamer Earth Leakage  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 737-1104 Streamer Earth Leakage Leakage spikes observed throughout line on random sp's, mainly affecting ch's 41-48 & 59-72 but occasionally affecting whole cable at lower amplitude.
2409-2421     2409-2421 NONE Bird depth out of spec Bird C7-5 max depth 8.7m
2427-2441     2427-2441 NONE Bird depth out of spec Bird C8-4 min depth 5.1m
2427-2439     2427-2439 NONE Bird depth out of spec Bird C8-5 min depth 5.3m
2719-2758     2719-2758 NONE Bird depth out of spec Bird C2-4 min depth 5.1m
3901-3909     3901-3909 NONE Bird depth out of spec Bird C2-4
3902     3902 NONE Bird depth out of spec Bird C2-5
3904-3918     3904-3918 NONE Bird depth out of spec Bird C2-5
3908-3917     3908-3917 NONE Bird depth out of spec Bird C2-6
4194     4194 NONE Bird depth out of spec Bird C3-13
4223     4223 NONE Bird depth out of spec Bird C2-4
Comment
Shot(s)     File(s) Trace(s) Type Remark
2600-2900     2600-2900 ALL Rig reflection Rig reflection seen on all cables


 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 20:14:35utc 11-Apr-2002