ACQUISITION REPORT Sequence-0464
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4688B464
  Preplot G01A4688
  Direction 18.0°
  SOL Date 09:56:50utc 31-May-2002
  EOL Date 13:02:15utc 31-May-2002
 Attributes:  
   Wind Force 15.0 [knots] Dir WSW
   Swell Height 2.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 115.0 59.0 [meters]
   Bottomspeed  4.4 4.9 [knots]
   Featherangle sb +7.5 sb +2.6 [deg]
   Cable noise 7.8 12.5 [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)   2896 - 2897  
   SOL Dummy Record(s) 2898 - 2907 2898 - 2907 09:55:29 - 09:56:42
   FSP Start of Line 2908 2908 09:56:50
   MSP      
   LSP End of Line 4322 4322 13:02:15
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4323 - 4324  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2908 - 4322 2908 - 4322 09:56:50-13:02:15 Reshoot 16 Valid  
 Remarks:      
   Navigation Streamer depth 7.0mtr    
   Recording QC Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1025mB. Low frequency strumming Str 6 channels 1841 - 1875. Occassional burst of swell noise present on records increasing during line, approx 5-10 µB, affecting 5 % of traces.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2896 - 3325 2896 - 3325 1 1882  
  3326 - 3755 3326 - 3755 2 1883  
  3756 - 4185 3756 - 4185 1 1884  
  4186 - 4324 4186 - 4324 2 1885  
Stream 2
   Shot(s) Files Deck Reel Remark
  2896 - 3325 2896 - 3325 3 1882  
  3326 - 3755 3326 - 3755 4 1883  
  3756 - 4185 3756 - 4185 3 1884  
  4186 - 4324 4186 - 4324 4 1885  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 353 Killed traces  
ALL     ALL- 377 Killed traces  
ALL     ALL- 744 Killed traces  
ALL     ALL 1-5 Bird depth out of spec Bird C1-1
ALL     ALL 1857 Noisy Trace(s)  
3429-3459     3429-3459 51-67 Bird depth out of spec Bird C1-4 out of spec deep max 10.3mtr
3440-3443     3440-3443 27-43 Bird depth out of spec Bird C1-3 out of spec deep max 9.2mtr
4251-4263     4251-4263 51-67 Bird depth out of spec Bird C1-4 out of spec deep max 9.4mtr
4283-4318     4283-4318 51-67 Bird depth out of spec Bird C1-4 out of spec deep max 10.1mtr
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2943 Noisy Trace(s)  
2929-2932     2929-2932 NONE Bird depth out of spec Bird C2-11
3004-3017     3004-3017 NONE Bird depth out of spec Bird C1-4
3027-3047     3027-3047 NONE Bird depth out of spec Bird C1-4
3044-3056     3044-3056 NONE Bird depth out of spec Bird C2-11
3051-3070     3051-3070 NONE Bird depth out of spec Bird C1-4
3052-3054     3052-3054 NONE Bird depth out of spec Bird C4-1
3079-3098     3079-3098 NONE Bird depth out of spec Bird C1-4
3080-3096     3080-3096 NONE Bird depth out of spec Bird C1-5
3150-3227     3150-3227 NONE Bird depth out of spec Bird C2-11
3155-3203     3155-3203 NONE Bird depth out of spec Bird C1-4
3161-3174     3161-3174 NONE Bird depth out of spec Bird C1-2
3211-3223     3211-3223 NONE Bird depth out of spec Bird C1-4
3231-3238     3231-3238 NONE Bird depth out of spec Bird C1-4
3240-3273     3240-3273 NONE Bird depth out of spec Bird C1-4
3277-3321     3277-3321 NONE Bird depth out of spec Bird C1-4
3314-3315     3314-3315 NONE Bird depth out of spec Bird C8-5
3369-3378     3369-3378 NONE Bird depth out of spec Bird C1-4
3373-3374     3373-3374 NONE Bird depth out of spec Bird C2-11
3380-3407     3380-3407 NONE Bird depth out of spec Bird C1-4
3407-3438     3407-3438 NONE Bird depth out of spec Bird C4-1
3410-3412     3410-3412 NONE Bird depth out of spec Bird C8-17
3420-3421     3420-3421 NONE Bird depth out of spec Bird C2-3
3423-3454     3423-3454 NONE Bird depth out of spec Bird C1-2
3424-3439     3424-3439 NONE Bird depth out of spec Bird C1-3
3426-3428     3426-3428 NONE Bird depth out of spec Bird C1-4
3456-3473     3456-3473 NONE Bird depth out of spec Bird C1-2
3460-3473     3460-3473 NONE Bird depth out of spec Bird C1-4
3491-3509     3491-3509 NONE Bird depth out of spec Bird C1-4
3503     3503 ALL Gun timing error Gun 2-1 error (ms) : -1.6
3511-3525     3511-3525 NONE Bird depth out of spec Bird C1-4
3539-3549     3539-3549 NONE Bird depth out of spec Bird C2-11
4119     4119 ALL Gun timing error Gun 2-1 error (ms) : -1.7
4224-4234     4224-4234 NONE Bird depth out of spec Bird C1-3
4252-4269     4252-4269 NONE Bird depth out of spec Bird C1-5
4282-4298     4282-4298 NONE Bird depth out of spec Bird C1-3
4289-4306     4289-4306 NONE Bird depth out of spec Bird C1-5
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE Bird no comms Bird C4-2, C8-11


 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 07:33:27utc 04-Jun-2002