ACQUISITION REPORT Sequence-0857
 Survey:  
  Client ESSO Australia Pty. Ltd
  Area Nortern Fields
  Vessel Geco Beta
  JobNumber 9170C
  Survey Type 3D, Dual source, 8 Streamers
   
 Sequence  
  Linename G01A0001KXT857
  Preplot G01A0001XT
  Direction 227.0°
  SOL Date 02:20:47utc 27-May-2002
  EOL Date 03:17:42utc 27-May-2002
 Attributes:  
   Wind Force 18.0 [knots] Dir WNW
   Swell Height 2.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 96 [avg]  
       
  SOL EOL  
   Waterdepth 54.0 57.0 [meters]
   Bottomspeed  5.0 5.1 [knots]
   Featherangle sb +8.7 sb +5.0 [deg]
   Cable noise 10.0 5.7 [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 8
2 PORT -345.0 -25.0 -6.0 3542.0 3 8

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)   1372 - 1371  
   SOL Dummy Record(s) 1370 - 1361 1370 - 1361 02:19:35 - 02:20:40
   FSP Start of Line 1360 1360 02:20:47
   MSP      
   LSP End of Line 890 890 03:17:42
   EOL Dummy Record(s)      
   EOL Noise Record(s)   889 - 889  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1360 - 890 1360 - 890 02:20:47-03:17:42 Infill 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m.    
   Recording QC ###Last shotpoint 890 time 03:17 ####Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1023mB. Low frequency strumming Str 6 channels 1841 - 1875.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1372 - 943 1372 - 943 1 10061  
  942 - 889 942 - 889 2 10062  
Stream 2
   Shot(s) Files Deck Reel Remark
  1372 - 943 1372 - 943 3 10061  
  942 - 889 942 - 889 3 10062  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 353 Killed traces  
ALL     ALL 377 Killed traces  
ALL     ALL 744 Killed traces  
ALL     ALL 1857, 2943 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE Bird depth out of spec Bird C1-1frequently deep average 8.7mtr
ALL     ALL 349 Spiking Very occasional spiking
1284-1269     1284-1269 NONE Bird depth out of spec Bird C8-4
1284-1261     1284-1261 NONE Bird depth out of spec Bird C8-5
1284-1269     1284-1269 NONE Bird depth out of spec Bird C8-6
1262-1235     1262-1235 NONE Bird depth out of spec Bird C8-17
1257-1200     1257-1200 NONE Bird depth out of spec Bird C1-1 - bird occasionally running deep (~8.5m)
1255-1241     1255-1241 NONE Bird depth out of spec Bird C8-4
1239-1224     1239-1224 NONE Bird depth out of spec Bird C7-5
1232-1217     1232-1217 NONE Bird depth out of spec Bird C7-6
1230-1227     1230-1227 NONE Bird depth out of spec Bird C1-3
1150-1131     1150-1131 NONE Bird depth out of spec Bird C1-1 - bird occasionally running deep (~8.5m)
1126-1044     1126-1044 NONE Bird depth out of spec Bird C1-1 - bird occasionally running deep (~8.5m)
1055-1044     1055-1044 NONE Bird depth out of spec Bird C8-3
1050-1029     1050-1029 NONE Bird depth out of spec Bird C7-4
1030-913     1030-913 NONE Bird depth out of spec Bird C1-1 - bird occasionally running deep (~8.5m)
965     965 ALL Gun timing error Gun 2-1 error (ms) : -1.6
953-943     953-943 NONE Bird depth out of spec Bird C3-6
900-891     900-891 NONE Bird depth out of spec Bird C1-1 - bird occasionally running deep (~8.5m)
852       ALL Parity error Command Line
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE Bird no comms Bird C4-2, C8-18


 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 04:39:44utc 27-May-2002