ACQUISITION REPORT Sequence-0914
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170D
  Survey Type 4 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4080KWT914
  Preplot G01A4080
  Direction 18.0°
  SOL Date 08:27:10utc 12-Jul-2002
  EOL Date 08:59:03utc 12-Jul-2002
 Attributes:  
   Wind Force 15.0 [knots] Dir NW
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 134 [avg]  
   Propellor pitch 65 [avg]  
       
  SOL EOL  
   Waterdepth 59.0 54.0 [meters]
   Bottomspeed  4.8 4.7 [knots]
   Featherangle sb +5.4 sb +8.1 [deg]
   Cable noise 6.1 3.9 [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)   3128 - 3129  
   SOL Dummy Record(s) 3130 - 3159 3130 - 3159 08:23:18 - 08:27:02
   FSP Start of Line 3160 3160 08:27:10
   MSP      
   LSP End of Line 3410 3410 08:59:03
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4177 - 4178  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3160 - 3410 3160 - 3410 08:27:10-08:59:03 Infill 8 Valid Orthogonal line East of West Tuna platform
 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 1018mB. Using Four by 2.6km streamer. Ship Noise present on records.    

Tape-list
Stream 2
   Shot(s) Files Deck Reel Remark
  3128 - 4178 3128 - 4178 1 10122  
Stream 3
   Shot(s) Files Deck Reel Remark
  3128 - 4178 3128 - 4178 4 10122  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 417-421 Bird depth out of spec Bird C3-1, occasionally depth 8.0-8.5m
3160-3270     3160-3270 ALL Ship Noise From abeam. Level 5 uBar. Moveout 0 ms/km
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 05:47:50utc 13-Jul-2002