ACQUISITION REPORT Sequence-0456
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4896B456
  Preplot G01A4896
  Direction 198.0°
  SOL Date 12:10:22utc 24-May-2002
  EOL Date 17:40:55utc 24-May-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir ESE
   Swell Height 2.0 [meters] Dir SSE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 75.0 264.0 [meters]
   Bottomspeed  4.6 4.0 [knots]
   Featherangle sb +8.7 port -3.9 [deg]
   Cable noise 10.0 7.2 [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)   4222 - 4221  
   SOL Dummy Record(s) 4743 - 4211 2228 - 4211 11:01:26 - 12:10:14
   FSP Start of Line 4210 4210 12:10:22
   MSP      
   LSP End of Line 1772 1772 17:40:55
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1771 - 1770  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4210 - 1772 4210 - 1772 12:10:22-17:40:55 Reshoot 16 Valid  
 Remarks:      
   Navigation Streamer depth 7.0 mtrs    
   Recording QC Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1032mB. Low frequency strumming Str 6 channels 1841 - 1875. Occassional burst of swell noise present on records,approx 5-10 µB, affecting 5 % of traces.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  4222 - 3793 4222 - 3793 1 1855  
  3792 - 3363 3792 - 3363 2 1856  
  3362 - 2933 3362 - 2933 2 1857  
  2932 - 2503 2932 - 2503 1 1858  
  2502 - 2073 2502 - 2073 1 1859  
  2072 - 1770 2072 - 1770 2 1860  
Stream 2
   Shot(s) Files Deck Reel Remark
  4222 - 3793 4222 - 3793 3 1855  
  3792 - 3363 3792 - 3363 4 1856  
  3362 - 2933 3362 - 2933 3 1857  
  2932 - 2503 2932 - 2503 4 1858  
  2502 - 2073 2502 - 2073 3 1859  
  2072 - 1770 2072 - 1770 4 1860  
Stream 1001
   Shot(s) Files Deck Reel Remark
  4589 - 1763 -1 - 1768 1001 0  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 353, 377, 744, 2764 Killed traces  
ALL     ALL 1857, 2943 Noisy Trace(s)  
ALL     ALL 349 Spiking Trace(s)  
4114-4094     4114-4094 2675-2691 Bird depth out of spec Bird C8-6 max depth 9.8mtr
3803-3798     3803-3798 2651-2667 Bird depth out of spec Bird C8-5 max depth 9.2mtr
3795-3783     3795-3783 2675-2691 Bird depth out of spec Bird C8-6 max depth 9.5mtr
3107-3083     3107-3083 2651-2667 Bird depth out of spec Bird C8-5 max depth 9.6mtrs
3101-3015     3101-3015 2675-2691 Bird depth out of spec Bird C8-6 max depth 10.9mtrs
3095-3090     3095-3090 2627-2643 Bird depth out of spec Bird C8-4 max depth 9.3mtr
3071-3043     3071-3043 2699-2715 Bird depth out of spec Bird C8-7 max depth 9.7mtrs
2585     2585 ALL Gun timing error Gun 2-1 error (ms) : -2.1
2342-2332     2342-2332 2603-2619 Bird depth out of spec Bird C8-3 max depth 9.8m
2341-2323     2341-2323 2259-2275 Bird depth out of spec Bird C7-4 max depth 8.9m
2340-2325     2340-2325 2627-2643 Bird depth out of spec Bird C8-4 max depth 10m
2336-2320     2336-2320 2651-2667 Bird depth out of spec Bird C8-5 max depth 9.9m
2335-2323     2335-2323 2283-2299 Bird depth out of spec Bird C7-5 max depth 9.5m
2328-2304     2328-2304 2675-2691 Bird depth out of spec Bird C8-6 max depth 10.1m
2010-2002     2010-2002 2675-2691 Bird depth out of spec Bird C8-6 max depth 9.4mtrs
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-5 Bird depth out of spec Bird C1-1 Displayed as Deep 10.0mtr calibration figure's incorrect, (old) correct values installed and show bird to be at 7.8 mtrs
ALL     ALL 1105-1109 Bird depth out of spec Bird C4-1 intermittently out of depth to max depth 8.5m
4129-4111     4129-4111 NONE Bird depth out of spec Bird C8-5 max depth 8.7mtr
4038     4038 NONE Gun timing error Gun 5-1 error (ms) : -1.6
4036     4036 NONE Gun timing error Gun 5-1 error (ms) : -1.6
3994-3950     3994-3950 NONE Bird depth out of spec Bird C4-1max depth 8.7mtr
3987-3956     3987-3956 NONE Bird depth out of spec Bird C4-3 max depth 8.9mtr
3088-3072     3088-3072 NONE Bird depth out of spec Bird C8-7
3079-3060     3079-3060 2651-2667 Bird depth out of spec Bird C8-5
3073-3053     3073-3053 NONE Bird depth out of spec Bird C4-3
3071     3071 NONE Gun timing error Gun 2-1 error (ms) : -1.6
3065-3022     3065-3022 NONE Bird depth out of spec Bird C8-8
3055-3033     3055-3033 NONE Bird depth out of spec Bird C8-5
3052-3038     3052-3038 NONE Bird depth out of spec Bird C7-4
3048-3032     3048-3032 NONE Bird depth out of spec Bird C7-5
3042-3005     3042-3005 NONE Bird depth out of spec Bird C8-7
2576-2566     2576-2566 NONE Bird depth out of spec Bird C1-2
2325-2314     2325-2314 NONE Bird depth out of spec Bird C7-6
2322-2308     2322-2308 NONE Bird depth out of spec Bird C7-5
2318-2293     2318-2293 NONE Bird depth out of spec Bird C8-7
2304-2293     2304-2293 NONE Bird depth out of spec Bird C8-8
2303-2290     2303-2290 NONE Bird depth out of spec Bird C8-6
2275     2275 NONE Gun timing error Gun 2-1 error (ms) : -1.7
2269-2259     2269-2259 NONE Bird depth out of spec Bird C2-10
2100-1916     2100-1916 ALL Streamer noise Low frequency noise dt currents all streamers approx 13uB
2024-2011     2024-2011 2675-2691 Bird depth out of spec Bird C8-6
1800-1790     1800-1790 NONE Bird depth out of spec Bird C4-3
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 18:27:50utc 24-May-2002