ACQUISITION REPORT Sequence-0229
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1120A229
  Preplot G01A1120
  Direction 18.0°
  SOL Date 21:41:47utc 25-Jan-2002
  EOL Date 00:33:31utc 26-Jan-2002
 Attributes:  
   Wind Force 8.0 [knots] Dir ENE
   Swell Height 2.5 [meters] Dir ENE
   Propellor rpm 122 [avg]  
   Propellor pitch 97 [avg]  
       
  SOL EOL  
   Waterdepth 31.0 15.0 [meters]
   Bottomspeed  4.3 4.7 [knots]
   Featherangle port -0.5 0.0 [deg]
   Cable noise 5.75 18.75 [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)   1003 - 1004  
   SOL Dummy Record(s) 1005 - 1014 1005 - 1014 21:40:22 - 21:41:38
   FSP Start of Line 1015 1015 21:41:47
   MSP 2013 2013 23:59:56
   LSP End of Line 2255 2255 00:33:31
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2297 - 2298  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1015 - 2255 1015 - 2255 21:41:47-00:33:31 Prime 14 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC STR 1 (CHN 1-368) NTBP D/T EARTH LEAKAGE. Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1019mB, pressure now 1017mB. Lost comms with B2-9 and B4-17. Last shot point 2255 due to shallows    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1003 - 1432 1003 - 1432 1 945  
  1433 - 1862 1433 - 1862 2 946  
  1863 - 2298 1863 - 2298 1 947  
Stream 2
   Shot(s) Files Deck Reel Remark
  1003 - 1432 1003 - 1432 3 945  
  1433 - 1862 1433 - 1862 3 946  
  1863 - 2298 1863 - 2298 3 947  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 1255 Killed traces  
ALL     ALL- 1855 Killed traces  
ALL     ALL 1-368 Streamer Earth Leakage  
2155-2255     2155-2255 369-540   Turn noise due to shallows.
2155-2255     2155-2255 737-896   Turn noise due to shallows.
2155-2255     2155-2255 1105-1285   Turn noise due to shallows.
2155-2255     2155-2255 1473-1643   Turn noise due to shallows.
2155-2255     2155-2255 1841-2015   Turn noise due to shallows.
2155-2255     2155-2255 2209-2384   Turn noise due to shallows.
2155-2255     2155-2255 2577-2741   Turn noise due to shallows.
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Fails crossfeed test  
1560-1570     1560-1570 NONE Bird depth out of spec Bird C7-3
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 09:18:53utc 26-Jan-2002