ACQUISITION REPORT Sequence-0461
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4672B461
  Preplot  G01A4672
  Direction 18.0°
  SOL Date 14:08:10utc 30-May-2002
  EOL Date 17:23:40utc 30-May-2002

 Attributes:  
   Wind Force 10.0 [knots] Dir W
   Swell Height 2.0 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 116.0 59.0 [meters]
   Bottomspeed  4.4 4.3 [knots]
   Featherangle sb +10.5 sb +4.4 [deg]
   Cable noise 12.4 9.13 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]
   Port Volume 3542 3542  
   Stbd Volume 3542 3512  
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)    2850-2851  
   SOL Dummy Record(s)      
   FSP Start of Line 2852  2852 14:08:10
   MSP      
   LSP End of Line 4321  4321 17:23:40
   EOL Dummy Record(s)      
   EOL Noise Record(s)    4322-4323  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2852 - 4321  2852-4321  14:08:10-17:23:40 Reshoot 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m    
   Recording QC Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1026mB. 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
  2850 - 3279 2850 - 3279 1 1869  
  3280 - 3709 3280 - 3709 2 1870  
  3710 - 4139 3710 - 4139 1 1871  
  4140 - 4323 4140 - 4323 2 1872  
Stream 2
   Shot(s) Files Deck Reel Remark
  2850 - 3279 2850 - 3279 3 1869  
  3280 - 3709 3280 - 3709 4 1870  
  3710 - 4139 3710 - 4139 3 1871  
  4140 - 4323 4140 - 4323 4 1872  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1857, 2943 Noisy Trace(s)  
ALL     ALL 337, 349, 791, 1553 Spiking Trace(s)  
ALL     ALL 353, 377, 744 Killed Trace(s)  
2852-4312   1-5 Bird depth out of spec Bird C1-1max depth 11.2m
3060-3068   2627-2643 Bird depth out of spec Bird C8-4 max depth 9.5m
3066-3074   2651-2667 Bird depth out of spec Bird C8-5 max depth 9.7m
3084-3090   2603-2619 Bird depth out of spec Bird C8-3 max depth 9.8m
3127-3143   51-67 Bird depth out of spec Bird C1-4 max depth 10.5m
3139-3149   75-91 Bird depth out of spec Bird C1-5 max depth 9.8m
3584-3609   51-67 Bird depth out of spec Bird C1-4 max depth 10.3m
3595-3611   27-43 Bird depth out of spec Bird C1-3 max depth 10.4m
3918-3949   51-67 Bird depth out of spec Bird C1-4 max depth 11m
3919-3944   27-43 Bird depth out of spec Bird C1-3 max depth 10.4m
3982-3986   51-67 Bird depth out of spec Bird C1-4 max depth 9.8m
4219-4264   75-91 Bird depth out of spec Bird C1-5 max depth 11m
4228-4259   99-115 Bird depth out of spec Bird C1-6 max depth 10.6m
4293-4321   587-603 Bird depth out of spec Bird C2-11 max depth 9.7m
4314-4321   1-5 Bird depth out of spec Bird C1-1 max depth 10.1m
Warning
Shot(s)     File(s) Trace(s) Type Remark
2883-2893   NONE Bird depth out of spec Bird C8-4
3137-3184   NONE Bird depth out of spec Bird C1-4
3145-3157   NONE Bird depth out of spec Bird C1-6
3174-3183   NONE Bird depth out of spec Bird C1-5
3234-3271   NONE Bird depth out of spec Bird C2-11
3375-3386   NONE Bird depth out of spec Bird C8-4
3500-3515   NONE Bird depth out of spec Bird C1-4
3522-3532   NONE Bird depth out of spec Bird C3-16
3549-3563   NONE Bird depth out of spec Bird C8-17
3589-3608   NONE Bird depth out of spec Bird C1-5
3615-3624   NONE Bird depth out of spec Bird C1-2
3643-3658   NONE Bird depth out of spec Bird C8-17
3649-3692   NONE Bird depth out of spec Bird C1-4
3693-3763   NONE Bird depth out of spec Bird C2-11
3694-3720   NONE Bird depth out of spec Bird C1-4
3724-3738   NONE Bird depth out of spec Bird C8-4
3736-3750   NONE Bird depth out of spec Bird C8-5
3768-3780   NONE Bird depth out of spec Bird C7-3
3778-3793   NONE Bird depth out of spec Bird C7-4
3785-3800   NONE Bird depth out of spec Bird C8-17
3795-3809   NONE Bird depth out of spec Bird C8-5
3828-3845   NONE Bird depth out of spec Bird C8-17
3856-3869   NONE Bird depth out of spec Bird C8-17
3887-3895   NONE Bird depth out of spec Bird C8-17
3916-3931   NONE Bird depth out of spec Bird C1-2
3918-3919   NONE Bird depth out of spec Bird C4-1
3925-3935   NONE Bird depth out of spec Bird C1-5
3937-3958   NONE Bird depth out of spec Bird C1-2
4067-4115   NONE Bird depth out of spec Bird C2-11
4089   ALL Gun Timing Error Gun 2-1 error (ms) : -1.7
4167-4187   NONE Bird depth out of spec Bird C2-11
4204-4222   NONE Bird depth out of spec Bird C2-11
4223-4226   NONE Bird depth out of spec Bird C2-4
4227-4237   NONE Bird depth out of spec Bird C2-5
4237-4256   NONE Bird depth out of spec Bird C2-11
4239-4249   NONE Bird depth out of spec Bird C1-7
4248-4252   NONE Bird depth out of spec Bird C1-4
4251-4259   NONE Bird depth out of spec Bird C1-7
4257-4276   NONE Bird depth out of spec Bird C1-8
4258-4281   NONE Bird depth out of spec Bird C2-11
4261-4268   NONE Bird depth out of spec Bird C1-7
4264-4272   NONE Bird depth out of spec Bird C1-6
4265-4271   NONE Bird depth out of spec Bird C1-5
4266-4275   NONE Bird depth out of spec Bird C1-9
4289-4298   NONE Bird depth out of spec Bird C2-12
4306-4321   NONE Bird depth out of spec Bird C8-17
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL ALL 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 20:30:42utc 30-May-2002