ACQUISITION REPORT Sequence-0231
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1008A231
  Preplot G01A1008
  Direction 18.0°
  SOL Date 11:14:28utc 26-Jan-2002
  EOL Date 14:23:52utc 26-Jan-2002
 Attributes:  
   Wind Force 12.0 [knots] Dir SE
   Swell Height 1.5 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 25.0 15.0 [meters]
   Bottomspeed  4.6 4.7 [knots]
   Featherangle port -2.0 0.0 [deg]
   Cable noise 5.1 5.2 [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)   989 - 990  
   SOL Dummy Record(s) 226 - 1000 226 - 1000 09:20:45 - 11:14:19
   FSP Start of Line 1001 1001 11:14:28
   MSP      
   LSP End of Line 2330 2330 14:23:52
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2331 - 2332  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1001 - 2330 1001 - 2330 11:14:28-14:23:52 Prime 16 Valid  
 Remarks:      
   Navigation Cable Depth 7 mtrs    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1018mB. Occ swell noise seen on all cables. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. Bird 4-15 bad compass, Bird 4-11 int comms    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  989 - 1418 989 - 1418 1 952  
  1419 - 1848 1419 - 1848 2 953  
  1849 - 2278 1849 - 2278 1 954  
  2279 - 2332 2279 - 2332 1 955  
Stream 2
   Shot(s) Files Deck Reel Remark
  989 - 1418 989 - 1418 3 952  
  1419 - 1848 1419 - 1848 4 953  
  1849 - 2278 1849 - 2278 3 954  
  2279 - 2332 2279 - 2332 4 955  
Stream 1001
   Shot(s) Files Deck Reel Remark
  662 - 2338 -1 - 2334 1001 0  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1255 Killed traces  
ALL     ALL 1855 Killed traces  
ALL     ALL 1495, 2307 Noisy Traces  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Fails crossfeed test  
1535-1556     1535-1556 2059-2075 Bird depth out of spec Bird C6-11
1760-1885     1760-1885 ALL Front end noise Starting to see front end noise all cables d/t vsl turning offline
1765-2330     1765-2330 ALL   Random bursts of swell noise
1847-1914     1847-1914 2059-2075 Bird depth out of spec Bird C6-11
1970     1970 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2143-2156     2143-2156 2059-2075 Bird depth out of spec Bird C6-11
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE Bad comms Bird 4-11 int comms
ALL     ALL NONE Bad Bird Bird 4-15 bad compass
1691     1691 ALL Vsl Turning offline Vsl turning stb offline d/t shallows.


 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 20:56:20utc 26-Jan-2002