ACQUISITION REPORT Sequence-0471
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4720A471
  Preplot G01A4720
  Direction 18.0°
  SOL Date 16:37:30utc 05-Jun-2002
  EOL Date 22:25:15utc 05-Jun-2002
 Attributes:  
   Wind Force 14.0 [knots] Dir NE
   Swell Height 1.5 [meters] Dir SSW
   Propellor rpm 122 [avg]  
   Propellor pitch 96 [avg]  
       
  SOL EOL  
   Waterdepth 288.0 63.0 [meters]
   Bottomspeed  4.3 4.5 [knots]
   Featherangle sb +1.4 port -2.0 [deg]
   Cable noise 4.59 5.48 [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)   1810 - 1811  
   SOL Dummy Record(s) 1812 - 1821 1812 - 1821 16:36:07 - 16:37:22
   FSP Start of Line 1822 1822 16:37:30
   MSP      
   LSP End of Line 4323 4323 22:25:15
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4324 - 4325  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1822 - 4323 1822 - 4323 16:37:30-22:25:15 Prime 14 Valid Streamer 8 NTBP
 Remarks:      
   Navigation Streamer depth 7.0m    
   Recording QC ###Line shot using streamers 1-7 only###. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1026mB. Low frequency strumming Str 6 channels 1841 - 1875.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1810 - 2239 1810 - 2239 2 1915  
  2240 - 2669 2240 - 2669 1 1916  
  2670 - 3099 2670 - 3099 2 1917  
  3100 - 3529 3100 - 3529 1 1918  
  3530 - 3959 3530 - 3959 2 1919  
  3960 - 4325 3960 - 4325 1 1920  
Stream 2
   Shot(s) Files Deck Reel Remark
  1810 - 2239 1810 - 2239 4 1915  
  2240 - 2669 2240 - 2669 3 1916  
  2670 - 3099 2670 - 3099 4 1917  
  3100 - 3529 3100 - 3529 3 1918  
  3530 - 3959 3530 - 3959 4 1919  
  3960 - 4325 3960 - 4325 3 1920  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 377, 744, 2446 Killed Traces  
ALL     ALL 304, 1857 Noisy Trace(s)  
ALL     ALL 1553 Spiking Trace(s)  
ALL     ALL 1-5 Streamer depth Streamer depth out of spec, Bird C1-1 constantly deep to 13m (incorrect reading)
ALL     ALL 2577-2944 Killed Traces Streamer 8 NTBP
Warning
Shot(s)     File(s) Trace(s) Type Remark
2231-2243     2231-2243 NONE Bird depth out of spec Bird C2-11
2713-2725     2713-2725 NONE Bird depth out of spec Bird C2-11
2817-2837     2817-2837 NONE Bird depth out of spec Bird C1-5
2822-2835     2822-2835 NONE Bird depth out of spec Bird C1-2
2822-2833     2822-2833 NONE Bird depth out of spec Bird C1-3
2825-2841     2825-2841 NONE Bird depth out of spec Bird C1-6
2929-2954     2929-2954 NONE Bird depth out of spec Bird C2-12
3158-3170     3158-3170 NONE Bird depth out of spec Bird C7-4
3429-3445     3429-3445 NONE Bird depth out of spec Bird C2-4
3431-3447     3431-3447 NONE Bird depth out of spec Bird C2-5
3439-3450     3439-3450 NONE Bird depth out of spec Bird C2-6
3459-3474     3459-3474 NONE Bird depth out of spec Bird C2-12
3528-3541     3528-3541 NONE Bird depth out of spec Bird C2-12
3765-3788     3765-3788 NONE Bird depth out of spec Bird C1-3
3769-3780     3769-3780 NONE Bird depth out of spec Bird C1-5
4194-4200     4194-4200 NONE Bird depth out of spec Bird C8-3
4195-4202     4195-4202 NONE Bird depth out of spec Bird C8-4
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE No bird comms Birds C1-4 C2-4 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 22:45:13utc 05-Jun-2002