ACQUISITION REPORT Sequence-0233
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1104A233
  Preplot G01A1104
  Direction 18.0°
  SOL Date 22:46:30utc 26-Jan-2002
  EOL Date 01:18:40utc 27-Jan-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir NE
   Swell Height 1.5 [meters] Dir NE
   Propellor rpm 122 [avg]  
   Propellor pitch 99 [avg]  
       
  SOL EOL  
   Waterdepth 32.0 15.0 [meters]
   Bottomspeed  4.5 4.8 [knots]
   Featherangle port -1.4 port -3.4 [deg]
   Cable noise 5.17 11.8 [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)   1001 - 1002  
   SOL Dummy Record(s) 1003 - 1012 1003 - 1012 22:45:09 - 22:46:22
   FSP Start of Line 1013 1013 22:46:30
   MSP 1567 1567 23:59:58
   LSP End of Line 2180 2180 01:18:40
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2260 - 2261  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1013 - 2180 1013 - 2180 22:46:30-01:18:40 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 1018mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. LSP of line 2180 d/t shallows.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1001 - 1430 1001 - 1430 1 960  
  1431 - 1860 1431 - 1860 2 961  
  1861 - 2261 1861 - 2261 1 962  
Stream 2
   Shot(s) Files Deck Reel Remark
  1001 - 1430 1001 - 1430 3 960  
  1431 - 1860 1431 - 1860 4 961  
  1861 - 2261 1861 - 2261 3 962  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 1255, 1855 Killed traces  
ALL     ALL 1495 Noisy Trace(s)  
1584-2180     1584-2180 1-368 Seismic data parity errors Possible bubble fault, cable powered down
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Fails crossfeed test  
ALL     ALL NONE   Bird 4-11 int comms,Bird 4-15 bad compass
ALL     ALL 1-14, 16, 369-383, 385, 390, 737-749, 751-752, 1105-1113, 1126, 1473-1478, 1481, 2209-2227, 2229-2232, 2239, 2577, 2584-2593, 2601-2607, 2617, 2629 Slope alarm > 5% of total line
1074     1074 ALL Gun timing error Gun 5-4 error (ms) : -1.2
1384     1384 ALL Gun timing error Gun 5-4 error (ms) : -1.5
1394     1394 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1711-1722     1711-1722 443-459 Bird depth out of spec Bird C2-5
1774     1774 ALL Gun timing error Gun 6-2 error (ms) : 1.6
1780     1780 ALL Gun timing error Gun 5-4 error (ms) : -1.2
2007     2007 ALL Gun timing error Gun 3-1 error (ms) : -2.0
2060     2060 ALL Vsl Turning Vsl Turning to stbd to avoid shallows
2100     2100 ALL Noise Starting to see front end noise
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 07:22:57utc 27-Jan-2002