ACQUISITION REPORT Sequence-0315
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4576A315
  Preplot G01A4576
  Direction 18.0°
  SOL Date 07:17:40utc 13-Mar-2002
  EOL Date 12:58:20utc 13-Mar-2002
 Attributes:  
   Wind Force 15.0 [knots] Dir SW
   Swell Height 1.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 93 [avg]  
       
  SOL EOL  
   Waterdepth 188.0 55.0 [meters]
   Bottomspeed  4.8 4.3 [knots]
   Featherangle sb +7.1 port -8.5 [deg]
   Cable noise 4.9 5.1 [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)   1731 - 1732  
   SOL Dummy Record(s) 1733 - 1762 1733 - 1762 07:13:54 - 07:17:33
   FSP Start of Line 1763 1763 07:17:40
   MSP      
   LSP End of Line 4317 4317 12:58:20
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4318 - 4319  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1763 - 4317 1763 - 4317 07:17:40-12:58:20 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 1031mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP. Bird#18 str#2 masked on EX.Header    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1731 - 2160 1731 - 2160 1 1289  
  2161 - 2590 2161 - 2590 1 1290  
  2591 - 3020 2591 - 3020 1 1291  
  3021 - 3450 3021 - 3450 2 1292  
  3451 - 3880 3451 - 3880 2 1293  
  3881 - 4310 3881 - 4310 2 1294  
  4311 - 4319 4311 - 4319 2 1295  
Stream 2
   Shot(s) Files Deck Reel Remark
  1731 - 2160 1731 - 2160 3 1289  
  2161 - 2590 2161 - 2590 4 1290  
  2591 - 3020 2591 - 3020 3 1291  
  3021 - 3450 3021 - 3450 4 1292  
  3451 - 3880 3451 - 3880 3 1293  
  3881 - 4310 3881 - 4310 4 1294  
  4311 - 4319 4311 - 4319 3 1295  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 2599 Killed traces  
ALL     ALL 1657, 2389, 2600, 2641 Spiking Trace(s)  
ALL     ALL 1476, 1633, 2782 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 2772 Noisy Trace(s)  
2895-2901     2895-2901 2651-2667 Bird depth out of spec Bird C8-5
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1 occasionally deep, 8.1 - 8.4m
ALL     ALL 1-14, 16-17, 20, 22, 369-383, 390, 405, 737-753, 755-758, 760-761, 763-764, 1105-1106, 1109-1110, 1112-1113, 1121, 1123, 1125-1126, 1128-1135, 1484-1485, 1489, 1841-1853, 1855-1856, 1860, 1864, 1867, 1873, 2209-2220, 2222-2226, 2229-2230, 2232, 2577, 2584-2589, 2591, 2602 Slope alarm > 5% of total line
2902-2912     2902-2912 2651-2667 Bird depth out of spec Bird C8-5
2902-2911     2902-2911 2675-2691 Bird depth out of spec Bird C8-6
2905-2915     2905-2915 2283-2299 Bird depth out of spec Bird C7-5
3375-3385     3375-3385 75-91 Bird depth out of spec Bird C1-5
3376-3397     3376-3397 147-163 Bird depth out of spec Bird C1-8
3408-3424     3408-3424 147-163 Bird depth out of spec Bird C1-8
3436-3447     3436-3447 147-163 Bird depth out of spec Bird C1-8
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 13:21:08utc 13-Mar-2002