ACQUISITION REPORT Sequence-0260
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1232B260
  Preplot G01A1232
  Direction 18.0°
  SOL Date 11:10:46utc 07-Feb-2002
  EOL Date 14:46:47utc 07-Feb-2002
 Attributes:  
   Wind Force 20.0 [knots] Dir NE
   Swell Height 1.5 [meters] Dir NE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 34.0 15.3 [meters]
   Bottomspeed  3.8 4.5 [knots]
   Featherangle sb +2.1 sb +3.6 [deg]
   Cable noise 6.35 20.0 [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 - 1028 999 - 1028 11:06:00 - 11:10:36
   FSP Start of Line 1029 1029 11:10:46
   MSP      
   LSP End of Line 2525 2525 14:46:47
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2526 - 2527  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1029 - 2525 1029 - 2525 11:10:46-14:46:47 Prime 18 Valid  
 Remarks:      
   Navigation Streamer at 7.0m, SP2577 - 2944 Streamer 8 NTBP due to EARTH LEAKAGE    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1005mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP. Strong ground roll present on records. Low level earthleakage present on noise record    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  997 - 1426 997 - 1426 2 1055  
  1427 - 1856 1427 - 1856 1 1056  
  1857 - 2286 1857 - 2286 2 1057  
  2287 - 2527 2287 - 2527 1 1058  
Stream 2
   Shot(s) Files Deck Reel Remark
  997 - 1426 997 - 1426 3 1055  
  1427 - 1856 1427 - 1856 4 1056  
  1857 - 2286 1857 - 2286 3 1057  
  2287 - 2527 2287 - 2527 4 1058  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 1855, 2641, 2662 Killed traces  
ALL     ALL 1657, 2307, 2782 Spiking Trace(s)  
ALL     ALL 1495 Noisy Trace(s)  
1220-2525     1220-2525 2577-2944 Streamer Earth Leakage  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 crossfeed Crossfeed test failed
ALL     ALL 1-17, 22, 369-383, 385, 390, 737-752, 1105-1113, 1473-1475, 1477-1478, 1480-1481, 2209-2226, 2229-2232, 2577, 2584-2589, 2591-2593, 2601-2602 Slope alarm > 5% of total line
1145     1145 ALL Gun timing error Gun 1-2 error (ms) : -1.9
1554     1554 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1586     1586 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1597     1597 ALL Gun timing error Gun 2-8 error (ms) : -1.2
1599     1599 ALL Gun timing error Gun 2-8 error (ms) : -1.2
1601     1601 ALL Gun timing error Gun 2-8 error (ms) : -1.1
1603     1603 ALL Gun timing error Gun 2-8 error (ms) : -1.3
1622     1622 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1820     1820 ALL Source depth out of spec Source-depth for gun position 3-3 above 5.4 meter
2004     2004 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2086     2086 ALL Source depth out of spec Source-depth for gun position 3-3 above 5.4 meter
2120     2120 ALL Source depth out of spec Source-depth for gun position 3-3 above 5.4 meter
2390     2390 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2393     2393 ALL Gun timing error Gun 2-4 error (ms) : -1.1
2504-2525     2504-2525 ALL Noisy Trace(s) Turn noise on near traces
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 22:07:21utc 07-Feb-2002