ACQUISITION REPORT Sequence-0239
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1072A239
  Preplot G01A1072
  Direction 18.0°
  SOL Date 09:55:12utc 28-Jan-2002
  EOL Date 12:28:53utc 28-Jan-2002
 Attributes:  
   Wind Force 20.0 [knots] Dir SE
   Swell Height 1.0 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 95 [avg]  
       
  SOL EOL  
   Waterdepth 30.0 16.0 [meters]
   Bottomspeed  4.2 4.3 [knots]
   Featherangle port -10.3 port -7.4 [deg]
   Cable noise 5.3 0.0 [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
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)   997 - 998  
   SOL Dummy Record(s) 999 - 1008 999 - 1008 09:53:46 - 09:55:03
   FSP Start of Line 1009 1009 09:55:12
   MSP      
   LSP End of Line 2070 2070 12:28:53
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2185 - 2186  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1009 - 2070 1009 - 2070 09:55:12-12:28:53 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7m    
   Recording QC STR 1 (1-368) NTBP D/T E/L. Filter delay 5.6m s. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1018mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  997 - 1426 997 - 1426 2 980  
  1427 - 1856 1427 - 1856 1 981  
  1857 - 2186 1857 - 2186 2 982  
Stream 2
   Shot(s) Files Deck Reel Remark
  997 - 1426 997 - 1426 3 980  
  1427 - 1856 1427 - 1856 4 981  
  1857 - 2186 1857 - 2186 3 982  

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 1 dead Streamer 1 NTBP d/t earth leakage.
ALL     ALL 1459, 2307 Noisy trace  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Fail X-feed Fails X-feed
ALL     ALL 369-385, 389-390, 737-753, 755, 764, 1105-1116, 1126, 1473-1481, 2209-2233, 2236-2237, 2239, 2577-2578, 2584-2593, 2601-2607 Slope alarm > 5% of total line
1738     1738 ALL Gun timing error Gun 5-4 error (ms) : 1.1
1852-1900     1852-1900 NONE Bird depth out of spec Bird C2-4 running shallow, average 5.5 mtrs, min 4.9 mtrs
1947     1947 ALL Starting to turn off line Vsl turning stbd offline d/t shallows
2013-2028     2013-2028 NONE Bird depth out of spec Bird C8-3, 7-4 running deep max 9.2 mtrs (1sp)
2027     2027 ALL   Starting to see front end noise all cables d/t turn offline
Comment
Shot(s)     File(s) Trace(s) Type Remark
2070     2070 ALL LGSP LGSP of line d/t vsl turning off for 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 12:58:23utc 28-Jan-2002