ACQUISITION REPORT Sequence-0303
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1840K303
  Preplot G01A1840
  Direction 18.0°
  SOL Date 22:23:38utc 05-Mar-2002
  EOL Date 23:59:09utc 05-Mar-2002
 Attributes:  
   Wind Force 0.0 [knots] $(wind_dir)
   Swell Height 1.5 [meters] Dir NE
   Propellor rpm 122 [avg]  
   Propellor pitch 95 [avg]  
       
  SOL EOL  
   Waterdepth 44.1 39.0 [meters]
   Bottomspeed  4.8 4.8 [knots]
   Featherangle sb +7.0 sb +6.3 [deg]
   Cable noise 4.3 4.8 [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)   1116 - 1117  
   SOL Dummy Record(s) 1118 - 1147 1118 - 1147 22:19:54 - 22:23:31
   FSP Start of Line 1148 1148 22:23:38
   MSP      
   LSP End of Line 1895 1895 23:59:09
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3156 - 3157  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1148 - 1895 1148 - 1895 22:23:38-23:59:09 Infill 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. STB guns firing on ODD SP.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1116 - 1545 1116 - 1545 2 1233  
  1546 - 3157 1546 - 3157 1 1234  
Stream 2
   Shot(s) Files Deck Reel Remark
  1116 - 1545 1116 - 1545 4 1233  
  1546 - 3157 1546 - 3157 3 1234  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476, 1633 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 109, 1657, 2307, 2772 Spiking Trace(s)  
ALL     ALL 1495 Noisy Trace(s)  
ALL     ALL- 2599 Killed traces  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1, occasionally deep 8.1m - 8.3m
ALL     ALL 1-9, 12, 369-374, 377, 737-742, 744, 748, 752, 1105-1110, 1112-1113, 1841-1849, 2209-2220, 2223, 2577, 2585, 2587-2588 Slope alarm > 5% of total line
1150     1150 ALL Gun Timing Error Gun 4-8 error (ms) : 1.2
1152     1152 ALL Gun timing error Gun 4-8 error (ms) : 1.1
1188     1188 ALL Gun timing error Gun 4-8 error (ms) : 1.1
1202     1202 ALL Gun timing error Gun 4-8 error (ms) : 1.3
1238     1238 ALL Gun timing error Gun 4-8 error (ms) : 1.4
1264     1264 ALL Gun timing error Gun 4-8 error (ms) : 1.1
1270     1270 ALL Gun timing error Gun 4-8 error (ms) : 1.2
1310     1310 ALL Gun timing error Gun 5-1 error (ms) : 1.6
1497-1507     1497-1507 51-67 Bird depth out of spec Bird C1-4
1506-1529     1506-1529 75-91 Bird depth out of spec Bird C1-5
1532     1532 ALL Gun timing error Gun 5-1 error (ms) : -1.7
1622     1622 ALL Gun timing error Gun 5-1 error (ms) : 1.7
1770     1770 ALL Gun timing error Gun 5-1 error (ms) : 1.7
1774     1774 ALL Gun timing error Gun 5-1 error (ms) : 1.6
1792     1792 ALL Gun timing error Gun 5-4 error (ms) : 1.3
1804     1804 ALL Gun timing error Gun 5-1 error (ms) : 1.8
1812     1812 ALL Gun timing error Gun 5-1 error (ms) : 1.7
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 18:40:06utc 06-Mar-2002