ACQUISITION REPORT Sequence-0495
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 6 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4112L495
  Preplot G01A4112
  Direction 18.0°
  SOL Date 06:10:33utc 02-Jul-2002
  EOL Date 07:35:57utc 02-Jul-2002
 Attributes:  
   Wind Force 16.0 [knots] Dir WNW
   Swell Height 2.0 [meters] Dir S
   Propellor rpm 122 [avg]  
   Propellor pitch 90 [avg]  
       
  SOL EOL  
   Waterdepth 74.0 70.0 [meters]
   Bottomspeed  4.11 4.37 [knots]
   Featherangle port -5.8 sb +4.0 [deg]
   Cable noise 6.5 5.2 [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 -520.0 250.0 -7.0 4600 Nessie-3 12.5 368 0001-0368
2 STBD -520.0 150.0 -7.0 4600 Nessie-3 12.5 368 0369-0736
3 STBD -520.0 50.0 -7.0 4600 Nessie-3 12.5 368 0737-1104
4 PORT -520.0 -50.0 -7.0 4600 Nessie-3 12.5 368 1105-1472
5 PORT -520.0 -150.0 -7.0 4600 Nessie-3 12.5 368 1473-1840
6 PORT -520.0 -250.0 -7.0 4600 Nessie-3 12.5 368 1841-2208

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

Production
  Shotpoint File Time [utc]
   SOL Noise Record(s)   1545 - 1546  
   SOL Dummy Record(s) 1547 - 1576 1547 - 1576 06:06:07 - 06:10:24
   FSP Start of Line 1577 1577 06:10:33
   MSP      
   LSP End of Line 2180 2180 07:35:57
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4299 - 4300  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1577 - 2180 1577 - 2180 06:10:33-07:35:57 Prime 12 Valid  
 Remarks:      
   Navigation Streamer depth 7.0mtr. Six streamer line.    
   Recording QC Frontsheet Set 5. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1014mB. Using Six streamer. Orthogonal Line. Bird C6-11 No Comms.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1545 - 2094 1545 - 2094 1 1980  
  2095 - 4300 2095 - 4300 2 1981  
Stream 2
   Shot(s) Files Deck Reel Remark
  1545 - 2094 1545 - 2094 4 1980  
  2095 - 4300 2095 - 4300 3 1981  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2134, 2067, 2185 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1127, 379, 1895, 2183-2184 Noisy Trace(s)  
1830-1844     1830-1844 99-115 Bird depth out of spec Bird C1-6
1832-1846     1832-1846 123-139 Bird depth out of spec Bird C1-7
2180     2180 ALL Gun timing error Gun 5-4 error (ms) : -1.1
Comment
Shot(s)     File(s) Trace(s) Type Remark
2023     2023 ALL Line Information Overlap coverage, previous coverage acquired in opposite direction


 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 18:01:46utc 02-Jul-2002