ACQUISITION REPORT Sequence-0096
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3376A096
  Preplot G01A3376
  Direction 18.0°
  SOL Date 09:17:35utc 30-Nov-2001
  EOL Date 15:10:21utc 30-Nov-2001
 Attributes:  
   Wind Force 15.0 [knots] Dir SSW
   Swell Height 1.0 [meters] Dir SSW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 63.0 46.0 [meters]
   Bottomspeed  4.5 4.3 [knots]
   Featherangle sb +6.1 port -2.1 [deg]
   Cable noise 6.6 6.3 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]
   Port Volume 3542 3542  
   Stbd Volume 3542 3417  

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)   1671 - 1672  
   SOL Dummy Record(s) 1673 - 1702 1673 - 1702 09:13:33 - 09:17:27
   FSP Start of Line 1703 1703 09:17:35
   MSP      
   LSP End of Line 4172 4172 15:10:21
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4173 - 4174  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1703 - 4172 1703 - 4172 09:17:35-15:10:21 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1018mB. Str 8 Bird 1 mask on External Header, occasionally deep, 8.1m. Gun 3-3 disabled at SP 2190 dt drifting.New STB array vol 3417 cu.in.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1671 - 2100 1671 - 2100 1 377  
  2101 - 2530 2101 - 2530 2 378  
  2531 - 2960 2531 - 2960 2 379  
  2961 - 3390 2961 - 3390 4 380  
  3391 - 3820 3391 - 3820 2 381  
  3821 - 4174 3821 - 4174 2 382  
Stream 2
   Shot(s) Files Deck Reel Remark
  1671 - 2100 1671 - 2100 4 377  
  2101 - 2530 2101 - 2530 4 378  
  2531 - 2960 2531 - 2960 3 379  
  2961 - 3390 2961 - 3390 4 380  
  3391 - 3820 3391 - 3820 3 381  
  3821 - 4174 3821 - 4174 4 382  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 2220 Killed traces  
ALL     ALL 1191 Weak Trace(s) Trace signal less than -3dB of nominal value
ALL     ALL 839 Noisy Trace(s)  
2161     2161 ALL Gun timing error Gun 3-3 error (ms) : -2.8
2163     2163 ALL Gun timing error Gun 3-3 error (ms) : -2.3
2840-2848     2840-2848 443-459 Bird depth out of spec Bird C2-5
2852-2855     2852-2855 443-459 Bird depth out of spec Bird C2-5
2858-2863     2858-2863 467-483 Bird depth out of spec Bird C2-6
2875-2877     2875-2877 491-507 Bird depth out of spec Bird C2-7
3759     3759 73-97 Bird depth out of spec Bird C1-5
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2577-2581 Bird depth out of spec Bird C8-1 deep all the line, max 8.3 m
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1 often deep , max 8.2 m
ALL     ALL-1718 2301 Fail crossfeed test  
ALL     ALL 1-9, 11-12, 16, 369-379, 737-749, 751-752, 1105-1113, 1126, 1130, 1473, 1484, 1489, 1499, 1841-1846, 1848-1850, 1852-1853, 1855-1856, 2577, 2585 Slope alarm > 5% of total line
1927     1927 ALL Gun timing error Gun 3-3 error (ms) : -1.1
1929     1929 ALL Gun timing error Gun 3-3 error (ms) : -1.3
2027     2027 ALL Gun timing error Gun 3-3 error (ms) : -1.5
2138     2138 ALL Gun timing error Gun 5-1 error (ms) : -1.7
2165     2165 ALL Gun timing error Gun 3-3 error (ms) : -2.0
2171     2171 ALL Gun timing error Gun 3-3 error (ms) : 2.0
2173     2173 ALL Gun timing error Gun 3-3 error (ms) : -1.2
2179     2179 ALL Gun timing error Gun 3-3 error (ms) : 1.9
2181     2181 ALL Gun timing error Gun 3-3 error (ms) : -1.2
2183     2183 ALL Gun timing error Gun 3-3 error (ms) : -1.3
2185     2185 ALL Gun timing error Gun 3-3 error (ms) : -1.4
2187     2187 ALL Gun timing error Gun 3-3 error (ms) : -1.3
2189     2189 ALL Gun timing error Gun 3-3 error (ms) : -1.5
2196-2201     2196-2201 2259-2275 Bird depth out of spec Bird C7-4
2199     2199 2235-2251 Bird depth out of spec Bird C7-3
2203-2204     2203-2204 2259-2275 Bird depth out of spec Bird C7-4
2217     2217 2627-2643 Bird depth out of spec Bird C8-4
2219-2225     2219-2225 2651-2667 Bird depth out of spec Bird C8-5
2570-2571     2570-2571 539-555 Bird depth out of spec Bird C2-9
2830     2830 ALL Seismic Interference From abeam. Level 10 uB.
2834-2850     2834-2850 422-471 Monowing wash Low frequency, high amplitude noise due to monowing wash
2837-2839     2837-2839 443-459 Bird depth out of spec Bird C2-5
2841-2844     2841-2844 419-435 Bird depth out of spec Bird C2-4
2847     2847 419-435 Bird depth out of spec Bird C2-4
2849-2851     2849-2851 443-459 Bird depth out of spec Bird C2-5
2851-2857     2851-2857 467-483 Bird depth out of spec Bird C2-6
2856-2858     2856-2858 443-459 Bird depth out of spec Bird C2-5
2860-2862     2860-2862 443-459 Bird depth out of spec Bird C2-5
2864-2881     2864-2881 467-483 Bird depth out of spec Bird C2-6
2865-2874     2865-2874 491-507 Bird depth out of spec Bird C2-7
2872     2872 51-67 Bird depth out of spec Bird C1-4
2875-2879     2875-2879 75-91 Bird depth out of spec Bird C1-5
2878-2880     2878-2880 443-459 Bird depth out of spec Bird C2-5
2878-2891     2878-2891 491-507 Bird depth out of spec Bird C2-7
2879-2892     2879-2892 515-531 Bird depth out of spec Bird C2-8
2884-2885     2884-2885 467-483 Bird depth out of spec Bird C2-6
2893-2894     2893-2894 147-163 Bird depth out of spec Bird C1-8
2894     2894 491-507 Bird depth out of spec Bird C2-7
2894     2894 539-555 Bird depth out of spec Bird C2-9
2897-2898     2897-2898 539-555 Bird depth out of spec Bird C2-9
2898-2899     2898-2899 491-507 Bird depth out of spec Bird C2-7
2930-2936     2930-2936 51-67 Bird depth out of spec Bird C1-4
3463     3463 9-25 Bird depth out of spec Bird C1-2
3471     3471 ALL Gun timing error Gun 2-2 error (ms) : -1.6
3688     3688 ALL Source depth out of spec Source-depth for gun position 3-5 below 6.5 meter
3688     3688 ALL Source depth out of spec Source-depth for gun position 3-6 below 6.5 meter
3728     3728 ALL Source depth out of spec Source-depth for gun position 3-5 below 6.5 meter
3728     3728 ALL Source depth out of spec Source-depth for gun position 4-2 above 5.5 meter
3742-3758     3742-3758 73-97 Bird depth out of spec Bird C1-5
3760-3762     3760-3762 73-97 Bird depth out of spec Bird C1-5
3765     3765 ALL Source depth out of spec Source-depth for gun position 3-2 above 5.5 meter
3769-3778     3769-3778 98-121 Bird depth out of spec Bird C1-6
3824     3824 ALL Source depth out of spec Source-depth for gun position 3-2 above 5.5 meter
3828     3828 443-459 Bird depth out of spec Bird C2-5
3829-3835     3829-3835 51-67 Bird depth out of spec Bird C1-4
3831-3834     3831-3834 443-459 Bird depth out of spec Bird C2-5
3835     3835 419-435 Bird depth out of spec Bird C2-4
3880     3880 ALL Source depth out of spec Source-depth for gun position 4-2 above 5.5 meter
3920     3920 ALL Source depth out of spec Source-depth for gun position 3-2 above 5.5 meter
3923     3923 ALL Source depth out of spec Source-depth for gun position 4-2 above 5.5 meter
3999-4000     3999-4000 419-435 Bird depth out of spec Bird C2-4
4005-4006     4005-4006 419-435 Bird depth out of spec Bird C2-4
4014     4014 2585-2593 Bird depth out of spec Bird C8-2
4061     4061 ALL Source depth out of spec Source-depth for gun position 4-2 above 5.5 meter
4064     4064 ALL Source depth out of spec Source-depth for gun position 3-2 above 5.5 meter
4143     4143 ALL Source depth out of spec Source-depth for gun position 3-2 above 5.5 meter
Comment
Shot(s)     File(s) Trace(s) Type Remark
2190-4172     2190-4172 ALL Disabled Gun Disabled gun 3-3 dt drifting.New STB array vol 3417 cu.in.


 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 19:23:30utc 30-Nov-2001