ACQUISITION REPORT Sequence-0194
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2656K194
  Preplot G01A2656
  Direction 18.0°
  SOL Date 05:43:56utc 15-Jan-2002
  EOL Date 10:35:51utc 15-Jan-2002
 Attributes:  
   Wind Force 18.0 [knots] Dir ESE
   Swell Height 2.0 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 52.0 42.1 [meters]
   Bottomspeed  4.3 3.9 [knots]
   Featherangle port -3.6 port -3.9 [deg]
   Cable noise 9.3 0.08 [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)   1865 - 1866  
   SOL Dummy Record(s) 1867 - 1876 1867 - 1876 05:42:32 - 05:43:47
   FSP Start of Line 1877 1877 05:43:56
   MSP      
   LSP End of Line 3855 3855 10:35:51
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3856 - 3857  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1877 - 3855 1877 - 3855 05:43:56-10:35:51 Infill 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7m    
   Recording QC BIRD 7-1, 8-1 OCC DEEP (8.1m) BIRD 3-12 BAD D/T. 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. All gun depths slightly erratic d/t swell. Occ swell noise bursts seen on all cables 10-20%.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1865 - 2294 1865 - 2294 1 793  
  2295 - 2724 2295 - 2724 2 794  
  2725 - 3154 2725 - 3154 1 795  
  3155 - 3584 3155 - 3584 2 796  
  3585 - 3857 3585 - 3857 1 797  
Stream 2
   Shot(s) Files Deck Reel Remark
  1865 - 2294 1865 - 2294 3 793  
  2295 - 2724 2295 - 2724 4 794  
  2725 - 3154 2725 - 3154 3 795  
  3155 - 3584 3155 - 3584 3 796  
  3585 - 3857 3585 - 3857 4 797  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 1255 Killed traces  
ALL     ALL- 1853 Killed traces  
ALL     ALL 1159 noisy trace  
ALL     ALL 2641 Spiking Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-9, 12, 369-374, 376-377, 737-742, 744-745, 748, 1105-1110, 1112-1113, 2209-2220, 2223, 2577, 2585-2586 Slope alarm > 5% of total line
1924     1924 ALL Gun timing error Gun timing error - Gun 5-2 = 1.6ms
2164-2175     2164-2175 NONE Bird depth out of spec Bird C1-4
2312-2336     2312-2336 NONE Bird depth out of spec Bird C1-4
2318-2323     2318-2323 NONE Bird depth out of spec Bird C1-3
2325-2332     2325-2332 NONE Bird depth out of spec Bird C1-3
2368-2387     2368-2387 NONE Bird depth out of spec Bird C1-3
2373-2385     2373-2385 NONE Bird depth out of spec Bird C1-4
2649-2651     2649-2651 NONE Bird depth out of spec Bird C1-5
2653-2656     2653-2656 NONE Bird depth out of spec Bird C1-5
2659     2659 NONE Bird depth out of spec Bird C1-5
2879-2881     2879-2881 NONE Bird depth out of spec Bird C1-5
2883     2883 NONE Bird depth out of spec Bird C1-5
2885     2885 NONE Bird depth out of spec Bird C1-5
2916     2916 NONE Bird depth out of spec Bird C1-5
3181     3181 NONE Bird depth out of spec Bird C1-6
3183-3184     3183-3184 NONE Bird depth out of spec Bird C1-6
3188-3194     3188-3194 NONE Bird depth out of spec Bird C1-6
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 11:36:39utc 15-Jan-2002