ACQUISITION REPORT Sequence-0159
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2176B159
  Preplot G01A2176
  Direction 18.0°
  SOL Date 02:00:54utc 29-Dec-2001
  EOL Date 04:55:27utc 29-Dec-2001
 Attributes:  
   Wind Force 8.0 [knots] Dir NE
   Swell Height 0.5 [meters] Dir E
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 44.0 39.0 [meters]
   Bottomspeed  4.2 4.6 [knots]
   Featherangle sb +1.4 port -0.8 [deg]
   Cable noise 3.48 5.26 [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)   2179 - 2180  
   SOL Dummy Record(s)      
   FSP Start of Line 2181 2181 02:00:54
   MSP      
   LSP End of Line 3504 3500 04:55:27
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3501 - 3502  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2181 - 2474 2181 - 2470 02:00:54-02:41:53 Reshoot 16 Scratched Due to Navigation
    2475 - 3504 2471 - 3500 02:42:01-04:55:27 Reshoot 16 Valid FGSP SP 2475
 Remarks:      
   Navigation Streamer depth 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, SSE functions on TRISOR disabled, GUNPOS block NOT recorded. Bird 8-18 masked from external header d/t bad depth reading.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2179 - 2722 2179 - 2718 2 657  
  2723 - 2873 2719 - 2869 1 658  
  2874 - 3303 2870 - 3299 2 659  
  3304 - 3502 3300 - 3502 1 660  
Stream 2
   Shot(s) Files Deck Reel Remark
  2179 - 2722 2179 - 2718 4 657  
  2723 - 2873 2719 - 2869 3 658  
  2874 - 3303 2870 - 3299 4 659  
  3304 - 3502 3300 - 3502 3 660  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1853 Killed channels  
ALL     ALL 1657, 2307, 2731 Spiking Trace(s)  
ALL     ALL 2871 Noisy Trace(s)  
2896     2892 ALL Gun timing error Gun 5-2 error (ms) : -2.1
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2301   Fails Crossfeed test
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1, occasional deep 7.8 - 8m
ALL     ALL 737-738, 741, 1105-1113, 2209-2211, 2213 Slope alarm > 5% of total line
2398     2394 2931-2944 Bird depth out of spec Bird C8-17
2465-2466     2461-2462 979-995 Bird depth out of spec Bird C3-12
2469-2478     2465-2474 979-995 Bird depth out of spec Bird C3-12
2480     2476 979-995 Bird depth out of spec Bird C3-12
2840     2836 ALL Gun timing error Gun 5-3 error (ms) : -1.3
3022     3018 ALL Gun timing error Gun 5-3 error (ms) : 1.1
3032     3028 ALL Gun timing error Gun 5-3 error (ms) : -1.1
Comment
Shot(s)     File(s) Trace(s) Type Remark
2376-2379       NONE Lost File number Lost file number dt Navigation, file number = SP - 4


 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 18:20:39utc 29-Dec-2001