ACQUISITION REPORT Sequence-0935
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170D
  Survey Type 4 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4384MFL935
  Preplot G01A4384
  Direction 198.0°
  SOL Date 01:27:23utc 15-Jul-2002
  EOL Date 01:40:32utc 15-Jul-2002
 Attributes:  
   Wind Force 20.0 [knots] Dir WNW
   Swell Height 1.5 [meters] Dir WNW
   Propellor rpm 135 [avg]  
   Propellor pitch 55 [avg]  
       
  SOL EOL  
   Waterdepth 88.0 84.0 [meters]
   Bottomspeed  4.6 4.8 [knots]
   Featherangle port -11.5 port -3.9 [deg]
   Cable noise 4.7 6.3 [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 -180.0 25.0 -6.0 3542.0 3 24
2 PORT -180.0 -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 -330.0 150.0 -7.0 2600 Nessie-3 12.5 208 0001-0208
2 STBD -330.0 50.0 -7.0 2600 Nessie-3 12.5 208 0209-0416
3 PORT -330.0 -50.0 -7.0 2600 Nessie-3 12.5 208 0417-0624
4 PORT -330.0 -150.0 -7.0 2600 Nessie-3 12.5 208 0625-0832

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 0208 0001-0208 0208 0001 - 0208 5.60
3 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0208 0209-0416 0208 0209 - 0416 5.60
4 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0208 0417-0624 0208 0417 - 0624 5.60
5 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0208 0625-0832 0208 0625 - 0832 5.60

Production
  Shotpoint File Time [utc]
   SOL Noise Record(s)   2498 - 2499  
   SOL Dummy Record(s) 2645 - 2531 2645 - 2531 01:42:31 - 01:27:31
   FSP Start of Line 2530 2530 01:27:23
   MSP      
   LSP End of Line 2629 2629 01:40:32
   EOL Dummy Record(s) 2628 - 2500 2628 - 2500 01:40:24 - 01:23:20
   EOL Noise Record(s)   4259 - 4260  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2530 - 2629 2530 - 2629 01:27:23-01:40:32 Infill 8 Valid Orthogonal line west of West Flounder platform, Line aborted dt Whale
 Remarks:      
   Navigation Streamer depth 7.0mtr. Four by 2.6km streamer line.    
   Recording QC Frontsheet Set 6. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1027mB. Using Four by 2.6km streamer.    

Tape-list
Stream 2
   Shot(s) Files Deck Reel Remark
  2498 - 4260 2498 - 4260 2 10143  
Stream 3
   Shot(s) Files Deck Reel Remark
  2498 - 4260 2498 - 4260 3 10143  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-6, 8-10, 209-210, 417-418, 421-422, 424-425, 431, 437-438, 625-634, 636, 650, 654, 656 Slope alarm > 5% of total line
Comment
Shot(s)     File(s) Trace(s) Type Remark


 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 12:03:28utc 15-Jul-2002