ACQUISITION REPORT Sequence-0877
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170C
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A7192JFL877
  Preplot G01A7192FL
  Direction 108.0°
  SOL Date 22:08:36utc 03-Jun-2002
  EOL Date 22:39:36utc 03-Jun-2002
 Attributes:  
   Wind Force 11.0 [knots] Dir W
   Swell Height 1.5 [meters] Dir W
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 81.0 4.5 [meters]
   Bottomspeed  4.3 113.0 [knots]
   Featherangle sb +4.0 0.0 [deg]
   Cable noise 5.13 4.32 [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 8
2 PORT -345.0 -25.0 -6.0 3542.0 3 8

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)   1892 - 1891  
   SOL Dummy Record(s) 1890 - 1881 1890 - 1881 22:07:17 - 22:08:28
   FSP Start of Line 1880 1880 22:08:36
   MSP      
   LSP End of Line 1640 1640 22:39:36
   EOL Dummy Record(s) 1639 - 1635 1639 - 1635 22:39:44 - 22:40:16
   EOL Noise Record(s)   1629 - 1628  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1880 - 1640 1880 - 1640 22:08:36-22:39:36 Infill 14 Valid  
    1839 - 1835 1839 - 1835 22:14:00-22:14:31 Infill 14 Scratched  
 Remarks:      
   Navigation Streamer depth at 7m.    
   Recording QC Line shot using streamers 1-7 only. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1030mB. Low frequency strumming Str 6 channels 1841 - 1875.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1892 - 1628 1892 - 1628 2 10084  
Stream 2
   Shot(s) Files Deck Reel Remark
  1892 - 1628 1892 - 1628 3 10084  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2577-2944 Killed Trace(s) Edit cable-8 due to parity error
ALL     ALL 353, 377, 744, 2446 Killed Trace(s)  
ALL     ALL 337, 1545 Spiking Trace(s)  
ALL     ALL 1857, 2943 Noisy Trace(s)  
ALL     ALL 1-5 Streamer depth Streamer depth out of spec, 12 m. Bird C1-1
Warning
Shot(s)     File(s) Trace(s) Type Remark
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE No bird comms Birds 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 02:55:10utc 04-Jun-2002