ACQUISITION REPORT Sequence-0195
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2848L195
  Preplot G01A2848
  Direction 198.0°
  SOL Date 12:51:03utc 15-Jan-2002
  EOL Date 14:00:08utc 15-Jan-2002
 Attributes:  
   Wind Force 18.0 [knots] Dir E
   Swell Height 1.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 46.0 48.0 [meters]
   Bottomspeed  5.0 4.9 [knots]
   Featherangle sb +6.6 sb +3.6 [deg]
   Cable noise 9.2 20.21 [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)   3332 - 3331  
   SOL Dummy Record(s) 3330 - 3321 3330 - 3321 12:49:51 - 12:50:56
   FSP Start of Line 3320 3320 12:51:03
   MSP      
   LSP End of Line 2755 2755 14:00:08
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2699 - 2698  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3320 - 2755 3320 - 2755 12:51:03-14:00:08 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. All gun depths slightly erratic d/t swell. Occ swell noise bursts seen on all cables. Noisy trace: 1159, # 2034 failed crossfeed test.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3332 - 2903 3332 - 2903 1 798  
  2902 - 2698 2902 - 2698 2 799  
Stream 2
   Shot(s) Files Deck Reel Remark
  3332 - 2903 3332 - 2903 3 798  
  2902 - 2698 2902 - 2698 4 799  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1159 Noisy Channel  
3331-2698       1255 Killed traces  
3331-2698       1853 Killed traces  
3331-2698       2641 Killed traces  
3235-3232     3235-3232 75-91 Bird depth out of spec Bird C1-5
2811-2755     2811-2755 1841-1968 Noisy Channels Turn noise front end cable, turning off line due to rig.
2808-2755     2808-2755 1473-1602 Noisy Channels Turn noise front end cable, turning off line due to rig.
2805-2755     2805-2755 2577-2723 Noisy Channels Turn noise front end cable, turning off line due to rig.
2800-2755     2800-2755 2209-2358 Noisy Channels Turn noise front end cable, turning off line due to rig.
2798-2755     2798-2755 737-842 Noisy Channels Turn noise front end cable, turning off line due to rig.
2789-2755     2789-2755 1-85 Noisy Channels Turn noise front end cable, turning off line due to rig.
2789-2755     2789-2755 369-452 Noisy Channels Turn noise front end cable, turning off line due to rig.
2789-2755     2789-2755 1105-1234 Noisy Channels Turn noise front end cable, turning off line due to rig.
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2304 Fails Crossfeed  
ALL     ALL 1, 3-5, 9, 369-374, 737-739, 741, 744, 1105-1106, 1109, 1112, 2209-2218, 2577, 2585-2588 Slope alarm > 5% of total line
3275     3275 ALL Gun timing error Gun 1-2 error (ms) : -1.6
2945     2945 ALL Gun timing error Gun 1-2 error (ms) : -1.9
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 23:12:20utc 15-Jan-2002