ACQUISITION REPORT Sequence-0939
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170D
  Survey Type 4 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A0071PTT939
  Preplot G01A4960
  Direction 18.0°
  SOL Date 09:42:24utc 15-Jul-2002
  EOL Date 10:29:13utc 15-Jul-2002
 Attributes:  
   Wind Force 3.0 [knots] Dir SE
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 137 [avg]  
   Propellor pitch 70 [avg]  
       
  SOL EOL  
   Waterdepth 59.0 55.0 [meters]
   Bottomspeed  5.0 5.1 [knots]
   Featherangle sb +2.8 sb +5.0 [deg]
   Cable noise 3.7 3.4 [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)   1838 - 1839  
   SOL Dummy Record(s) 1840 - 1869 1840 - 1869 09:38:46 - 09:42:17
   FSP Start of Line 1870 1870 09:42:24
   MSP      
   LSP End of Line 2260 2260 10:29:13
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3070 - 3071  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1870 - 2260 1870 - 2260 09:42:24-10:29:13 Infill 8 Valid Orthogonal line South of Tuna and 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 1027mB. Using Four by 2.6km streamer. Side swipes present on records.    

Tape-list
Stream 2
   Shot(s) Files Deck Reel Remark
  1838 - 3071 1838 - 3071 2 10147  
Stream 3
   Shot(s) Files Deck Reel Remark
  1838 - 3071 1838 - 3071 3 10147  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
2105     2105 ALL Gun timing error Gun 1-6 error (ms) : 11.5
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 417-421 Bird depth out of spec Bird C3-1, occasionally deep 8.0-8.5m
2000     2000 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2002     2002 ALL Gun timing error Gun 5-4 error (ms) : -1.1
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 20:44:38utc 15-Jul-2002