ACQUISITION REPORT Sequence-0354
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3776J354
  Preplot G01A3776
  Direction 18.0°
  SOL Date 18:26:05utc 10-Apr-2002
  EOL Date 00:14:34utc 11-Apr-2002
 Attributes:  
   Wind Force 0.0 [knots] $(wind_dir)
   Swell Height 0.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 61.2 48.0 [meters]
   Bottomspeed  4.8 4.0 [knots]
   Featherangle sb +8.8 port -0.9 [deg]
   Cable noise 5.0 5.0 [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)   1681 - 1682  
   SOL Dummy Record(s) 1683 - 1692 1683 - 1692 18:24:50 - 18:25:58
   FSP Start of Line 1693 1693 18:26:05
   MSP 4176 4176 23:59:55
   LSP End of Line 4274 4274 00:14:34
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4275 - 4276  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1693 - 4274 1693 - 4274 18:26:05-00:14:34 Infill 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 1024mB. 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
  1681 - 2110 1681 - 2110 2 1471  
  2111 - 2540 2111 - 2540 1 1472  
  2541 - 2970 2541 - 2970 2 1473  
  2971 - 3400 2971 - 3400 1 1474  
  3401 - 3830 3401 - 3830 2 1475  
  3831 - 4260 3831 - 4260 1 1476  
  4261 - 4276 4261 - 4276 2 1477  
Stream 2
   Shot(s) Files Deck Reel Remark
  1681 - 2110 1681 - 2110 4 1471  
  2111 - 2540 2111 - 2540 3 1472  
  2541 - 2970 2541 - 2970 4 1473  
  2971 - 3400 2971 - 3400 3 1474  
  3401 - 3830 3401 - 3830 4 1475  
  3831 - 4260 3831 - 4260 3 1476  
  4261 - 4276 4261 - 4276 4 1477  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 2265, 1801, 1553, 1032 Spiking Trace(s)  
ALL     ALL ALL Noisy Trace(s)  
1762-1769     1762-1769 2259-2275 Bird depth out of spec Bird C7-4 max depth 9.4m
1764     1764 1041-1048 Streamer Earth Leakage  
1764     1764 1059-1072 Streamer Earth Leakage  
2194     2194 737-1104 Streamer Earth Leakage  
2477     2477 737-1104 Streamer Earth Leakage  
2534     2534 1059-1072 Streamer Earth Leakage  
2534     2534 1041-1048 Streamer Earth Leakage  
2557     2557 1041-1048 Streamer Earth Leakage  
2557     2557 1059-1072 Streamer Earth Leakage  
2636-2730     2636-2730 1041-1048 Streamer Earth Leakage  
2636-2730     2636-2730 1059-1072 Streamer Earth Leakage  
2657-2661     2657-2661 2259-2275 Bird depth out of spec Bird C7-4 max depth 10.2m
2661-2677     2661-2677 2651-2667 Bird depth out of spec Bird C8-5 max depth 9.5m
2697-2719     2697-2719 1041-1048 Streamer Earth Leakage  
2697-2719     2697-2719 1059-1072 Streamer Earth Leakage  
2766-2797     2766-2797 1059-1072 Streamer Earth Leakage  
2766-2797     2766-2797 1041-1049 Streamer Earth Leakage  
2845-2890     2845-2890 1041-1049 Streamer Earth Leakage  
2845-2890     2845-2890 1059-1072 Streamer Earth Leakage  
2921-2922     2921-2922 1059-1072 Streamer Earth Leakage  
2921-2922     2921-2922 1041-1048 Streamer Earth Leakage  
2983     2983 1041-1048 Streamer Earth Leakage  
2983     2983 1059-1072 Streamer Earth Leakage  
2991     2991 1059-1072 Streamer Earth Leakage  
2991     2991 1041-1048 Streamer Earth Leakage  
2996     2996 1041-1048 Streamer Earth Leakage  
2996     2996 1059-1072 Streamer Earth Leakage  
3353-3355     3353-3355 1041-1048 Streamer Earth Leakage  
3353-3355     3353-3355 1059-1072 Streamer Earth Leakage  
3374-3437     3374-3437 1041-1048 Streamer Earth Leakage  
3374-3437     3374-3437 1059-1072 Streamer Earth Leakage  
3860-3866     3860-3866 1059-1072 Streamer Earth Leakage  
3860-3866     3860-3866 1041-1048 Streamer Earth Leakage  
3860-3866     3860-3866 1040-1048 Streamer Earth Leakage  
3864-3893     3864-3893 1041-1048 Streamer Earth Leakage  
3864-3893     3864-3893 1059-1072 Streamer Earth Leakage  
3913     3913 1059-1072 Streamer Earth Leakage  
3913     3913 1041-1048 Streamer Earth Leakage  
3937     3937 1059-1072 Streamer Earth Leakage  
3937     3937 1041-1048 Streamer Earth Leakage  
3956-3958     3956-3958 1041-1048 Streamer Earth Leakage  
3956-3958     3956-3958 1059-1072 Streamer Earth Leakage  
3956     3956 1059-1072 Streamer Earth Leakage  
3956     3956 1041-1048 Streamer Earth Leakage  
3969     3969 1041-1048 Streamer Earth Leakage  
3969     3969 1059-1072 Streamer Earth Leakage  
3992     3992 1041-1048 Streamer Earth Leakage  
3992     3992 1059-1072 Streamer Earth Leakage  
4042-4043     4042-4043 1059-1072 Streamer Earth Leakage  
4042-4043     4042-4043 1041-1048 Streamer Earth Leakage  
4061     4061 1041-1048 Streamer Earth Leakage  
4061     4061 1059-1072 Streamer Earth Leakage  
4066     4066 1059-1072 Streamer Earth Leakage  
4066     4066 1041-1048 Streamer Earth Leakage  
4095-4096     4095-4096 1041-1048 Streamer Earth Leakage  
4095-4096     4095-4096 1059-1072 Streamer Earth Leakage  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-17, 19-20, 22-25, 33-34, 38, 41, 369-385, 387-393, 405, 737-766, 769-770, 1105-1117, 1119-1138, 1141, 1144, 1147, 1473, 1480-1485, 1487, 1489, 1495, 1841-1867, 1873, 2209-2226, 2229-2230, 2232, 2239, 2577-2589, 2591-2592, 2594, 2601-2602 Slope alarm > 5% of total line
ALL     ALL 737-1104 Streamer Earth Leakage **NOTE** Leakage spikes detected on streamer 3 throughout line at random sp's. Mainly affecting ch's 1041-1049 but occ affecting rest of cable at low amplitude.
1745-1763     1745-1763 NONE Bird depth out of spec Bird C8-4
1749-1760     1749-1760 NONE Bird depth out of spec Bird C8-3
1764-1780     1764-1780 NONE Bird depth out of spec Bird C7-5 max depth 8.7m
1797-1814     1797-1814 NONE Bird depth out of spec Bird C7-4 min depth 5.4m
2474     2474 NONE Bird depth out of spec Bird C3-13
2529     2529 NONE Bird depth out of spec Bird C2-6
2570-2581     2570-2581 NONE Bird depth out of spec Bird C8-4 max depth 8.7m
2588-2599     2588-2599 NONE Bird depth out of spec Bird C7-5 max depth 8.7m
2658-2671     2658-2671 NONE Bird depth out of spec Bird C7-6 max depth 8.9m
2666-2690     2666-2690 NONE Bird depth out of spec Bird C8-6 max depth 8.7m
2676-2689     2676-2689 NONE Bird depth out of spec Bird C7-4 max depth 8.7m
3814     3814 NONE Bird depth out of spec Bird C2-5
3818-3819     3818-3819 NONE Bird depth out of spec Bird C1-4
3818-3819     3818-3819 NONE Bird depth out of spec Bird C2-5
3824-3826     3824-3826 NONE Bird depth out of spec Bird C1-5
3828-3829     3828-3829 NONE Bird depth out of spec Bird C1-5
3831-3832     3831-3832 NONE Bird depth out of spec Bird C1-5
3839     3839 NONE Bird depth out of spec Bird C2-6
3860-3866     3860-3866 1059-1072 Streamer Earth Leakage  
3876-3877     3876-3877 NONE Bird depth out of spec Bird C2-7
3905-3917     3905-3917 NONE Bird depth out of spec Bird C2-5
3921     3921 NONE Bird depth out of spec Bird C2-5
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 01:59:16utc 11-Apr-2002