ACQUISITION REPORT Sequence-0051
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2608B051
  Preplot G01A2608
  Direction 198.0°
  SOL Date 22:55:10utc 11-Nov-2001
  EOL Date 23:55:33utc 11-Nov-2001
 Attributes:  
   Wind Force 7.0 [knots] Dir NNE
   Swell Height 1.0 [meters] $(swell_dir)
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 47.0 47.0 [meters]
   Bottomspeed  4.8 4.8 [knots]
   Featherangle port -0.3 port -0.9 [deg]
   Cable noise 6.2 6.14 [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)   3232 - 3231  
   SOL Dummy Record(s) 3230 - 3221 3230 - 3221 22:53:56 - 22:55:03
   FSP Start of Line 3220 3220 22:55:10
   MSP      
   LSP End of Line 2736 2736 23:55:33
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2735 - 2734  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3220 - 3211 3220 - 3211 22:55:10-22:56:17 Reshoot 16 Valid Overlap SP
    3210 - 2746 3210 - 2746 22:56:25-23:54:17 Reshoot 16 Valid Reshoot seq 34
    2745 - 2736 2745 - 2736 23:54:24-23:55:33 Reshoot 16 Valid Overlap SP
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 3. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1012mB. Gun PI on subarray 2 occ erratic. Str 7 Bird 1 and Str 8 Bird 1 occasionally deep, 8.1m.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3232 - 2803 3232 - 2803 2 203  
  2802 - 2734 2802 - 2734 1 204  
Stream 2
   Shot(s) Files Deck Reel Remark
  3232 - 2803 3232 - 2803 4 203  
  2802 - 2734 2802 - 2734 3 204  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1191, 1948 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 304, 1127 Noisy Trace(s)  
2888     2888 ALL Gun timing error Gun 4-2 error (ms) : 2.0
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2301 Fails Crossfeed test
ALL     ALL 1-9, 11-12, 369-374, 376-377, 737-749, 1105-1113, 1473, 1841-1842, 2209-2211, 2213, 2216-2217 Slope alarm > 5% of total line
3205-3199     3205-3199 NONE Bird depth out of spec Bird C7-3
3197-3195     3197-3195 NONE Bird depth out of spec Bird C7-3
3193     3193 NONE Bird depth out of spec Bird C7-3
3158     3158 NONE Bird depth out of spec Bird C7-3
3123     3123 NONE Bird depth out of spec Bird C8-4
3076     3076 ALL Gun timing error Gun 4-2 error (ms) : -1.7
3029     3029 NONE Bird depth out of spec Bird C4-2
3002     3002 NONE Bird depth out of spec Bird C7-1
3002-2999     3002-2999 NONE Bird depth out of spec Bird C7-3
3001-3000     3001-3000 NONE Bird depth out of spec Bird C8-4
3000-2999     3000-2999 NONE Bird depth out of spec Bird C7-1
2997     2997 NONE Bird depth out of spec Bird C7-3
2996-2995     2996-2995 NONE Bird depth out of spec Bird C7-1
2993     2993 NONE Bird depth out of spec Bird C7-3
2987-2986     2987-2986 NONE Bird depth out of spec Bird C8-4
2984     2984 NONE Bird depth out of spec Bird C8-4
2952     2952 NONE Bird depth out of spec Bird C7-1
2950-2949     2950-2949 NONE Bird depth out of spec Bird C7-1
2937-2936     2937-2936 NONE Bird depth out of spec Bird C7-1
2933     2933 NONE Bird depth out of spec Bird C8-4
2929-2928     2929-2928 NONE Bird depth out of spec Bird C7-1
2925     2925 NONE Bird depth out of spec Bird C7-1
2923     2923 NONE Bird depth out of spec Bird C7-1
2921     2921 NONE Bird depth out of spec Bird C7-1
2920     2920 NONE Bird depth out of spec Bird C8-4
2893     2893 NONE Bird depth out of spec Bird C8-4
2891-2890     2891-2890 NONE Bird depth out of spec Bird C8-4
2889     2889 NONE Bird depth out of spec Bird C7-1
2868-2866     2868-2866 NONE Bird depth out of spec Bird C8-4
2863     2863 NONE Bird depth out of spec Bird C7-1
2863-2855     2863-2855 NONE Bird depth out of spec Bird C7-4
2853     2853 NONE Bird depth out of spec Bird C7-4
2824     2824 NONE Bird depth out of spec Bird C6-2
2823     2823 NONE Bird depth out of spec Bird C8-4
2815     2815 NONE Bird depth out of spec Bird C8-4
2798     2798 NONE Bird depth out of spec Bird C8-4
2785     2785 NONE Bird depth out of spec Bird C8-4
2770-2767     2770-2767 NONE Bird depth out of spec Bird C8-4
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 23:15:41utc 11-Nov-2001