ACQUISITION REPORT Sequence-0026
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2912A026
  Preplot G01A2912
  Direction 18.0°
  SOL Date 14:25:35utc 27-Oct-2001
  EOL Date 18:34:35utc 27-Oct-2001
 Attributes:  
   Wind Force 10.0 [knots] Dir WSW
   Swell Height 1.0 [meters] Dir WSW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 55.0 43.0 [meters]
   Bottomspeed  4.8 5.0 [knots]
   Featherangle sb +5.1 sb +2.9 [deg]
   Cable noise 5.9 5.4 [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 2.0 0001 0001-0001 0001 0001 - 0001 0.00
2 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0036 0001-0036 0036 0001 - 0036 0.00
3 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0036 0001-0036 0036 0001 - 0036 0.00
4 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0001 0001-0001 0001 0001 - 0001 0.00
5 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0001-0368 0368 0001 - 0368 5.60
6 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0369-0736 0368 0369 - 0736 5.60
7 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0737-1104 0368 0737 - 1104 5.60
8 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1105-1472 0368 1105 - 1472 5.60
9 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1473-1840 0368 1473 - 1840 5.60
10 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1841-2208 0368 1841 - 2208 5.60
11 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 2209-2576 0368 2209 - 2576 5.60
12 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)   2007 - 2008  
   SOL Dummy Record(s) 2009 - 2018 2009 - 2018 14:24:19 - 14:25:28
   FSP Start of Line 2019 2019 14:25:35
   MSP      
   LSP End of Line 4025 4025 18:34:35
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4026 - 4027  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2019 - 4025 2019 - 4025 14:25:35-18:34:35 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m. SSE recorded, but not valid d/t no sse navigation this line.    
   Recording QC SSE DATA NOT VALID D/T NO NAVIGATION DATA SOL-EOL. Filter delay 5.6ms. Frontsheet Set 1. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1014mB. Str 8 Bird 1 mask on External Header, constantly deep, 8.1m. Gun string 2 PI and position 2-4 DI incorrect readings. Occ swell noise seen, around 5% per streamer.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2007 - 2436 2007 - 2436 1 109  
  2437 - 2866 2437 - 2866 2 110  
  2867 - 3296 2867 - 3296 2 111  
  3297 - 3726 3297 - 3726 2 112  
  3727 - 4027 3727 - 4027 1 113  
Stream 2
   Shot(s) Files Deck Reel Remark
  2007 - 2436 2007 - 2436 3 109  
  2437 - 2866 2437 - 2866 4 110  
  2867 - 3296 2867 - 3296 4 111  
  3297 - 3726 3297 - 3726 4 112  
  3727 - 4027 3727 - 4027 3 113  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 1191 Killed traces  
ALL     ALL- 1948 Killed traces  
ALL     ALL- 2764 Killed traces  
ALL     ALL- 2806 Killed traces  
ALL     ALL 304, 1127, 2775 Noisy traces  
3039     3039 ALL Gun timing error Gun 2-2 error (ms) : -2.6
3943     3943 ALL Gun timing error Gun 2-2 error (ms) : -2.3
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2301 Fails Crossfeed  
ALL     ALL 1-12, 16, 369-379, 737-749, 751-752, 1105-1113, 1126, 1473, 1841, 1850, 2209-2218, 2577, 2585-2586 Slope alarm > 5% of total line
2058     2058 NONE Bird depth out of spec Bird C1-2
2108     2108 NONE Bird depth out of spec Bird C8-3
2115-2125     2115-2125 NONE Bird depth out of spec Bird C7-5
2275     2275 NONE Bird depth out of spec Bird C7-2
2598-2601     2598-2601 NONE Bird depth out of spec Bird C7-3
2637     2637 NONE Bird depth out of spec Bird C7-3
2693     2693 NONE Bird depth out of spec Bird C2-1
2701     2701 NONE Bird depth out of spec Bird C7-3
2770     2770 NONE Bird depth out of spec Bird C5-1
2786     2786 NONE Bird depth out of spec Bird C8-9
2786-2801     2786-2801 NONE Bird depth out of spec Bird C8-10
2788-2791     2788-2791 NONE Bird depth out of spec Bird C8-9
2793-2796     2793-2796 NONE Bird depth out of spec Bird C7-4
2795-2799     2795-2799 NONE Bird depth out of spec Bird C8-11
2798     2798 NONE Bird depth out of spec Bird C7-5
2899     2899 NONE Bird depth out of spec Bird C7-2
3084-3086     3084-3086 NONE Bird depth out of spec Bird C7-3
3090-3091     3090-3091 NONE Bird depth out of spec Bird C7-3
3093-3097     3093-3097 NONE Bird depth out of spec Bird C7-3
3157-3169     3157-3169 NONE Bird depth out of spec Bird C7-3
3186     3186 NONE Bird depth out of spec Bird C7-3
3189     3189 NONE Bird depth out of spec Bird C7-3
3222-3223     3222-3223 NONE Bird depth out of spec Bird C7-3
3225-3247     3225-3247 NONE Bird depth out of spec Bird C7-3
3250     3250 NONE Bird depth out of spec Bird C7-3
3254-3255     3254-3255 NONE Bird depth out of spec Bird C7-3
3284-3285     3284-3285 NONE Bird depth out of spec Bird C7-3
3287-3290     3287-3290 NONE Bird depth out of spec Bird C7-3
3292     3292 NONE Bird depth out of spec Bird C7-3
3372     3372 NONE Bird depth out of spec Bird C8-6
3504     3504 NONE Bird depth out of spec Bird C7-3
3526-3527     3526-3527 NONE Bird depth out of spec Bird C7-3
3529-3532     3529-3532 NONE Bird depth out of spec Bird C7-3
3949     3949 ALL Gun timing error Gun 2-2 error (ms) : -1.6
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL ALL   NFH 1.4 using GSAP reference


 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 18:01:54utc 27-Oct-2001