ACQUISITION REPORT Sequence-0340
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4752B340
  Preplot G01A4752
  Direction 198.0°
  SOL Date 18:57:00utc 03-Apr-2002
  EOL Date 21:27:00utc 03-Apr-2002
 Attributes:  
   Wind Force 6.0 [knots] Dir NNW
   Swell Height 1.0 [meters] Dir NE
   Propellor rpm 122 [avg]  
   Propellor pitch 90 [avg]  
       
  SOL EOL  
   Waterdepth 70.0 124.0 [meters]
   Bottomspeed  4.7 4.6 [knots]
   Featherangle sb +3.3 port -3.2 [deg]
   Cable noise 0.0 4.6 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]
   Port Volume 3542 3542  
   Stbd Volume 3542  

Source Configuration
Source Position Inline Crossline Nominal Nom. Vol. Subarray Gun
Number   Offset [m] Offset [m] Depth [m] [inch ³] Count Count

Streamer Configuration
Streamer Position Inline Crossline Nominal Length Type Group Channel Front-Tail
Number   Offset [m] Offset [m] Depth [m] [m]   Interval [m] Count  

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]

Production
  Shotpoint File Time [utc]
   SOL Noise Record(s)      
   SOL Dummy Record(s)      
   FSP Start of Line 4204   18:57:00
   MSP      
   LSP End of Line 3041   21:27:00
   EOL Dummy Record(s)      
   EOL Noise Record(s)      
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4204 - 3041   -    -  Reshoot 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1028mB. Reshoot seq 322 d/t currents SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP. Note Sp's 3050-3041 are O/lap sp's    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  4216 - 3787 4216 - 3787 1 1406  
  3786 - 3357 3786 - 3357 2 1407  
  3356 - 3040 3356 - 3040 1 1408  
Stream 2
   Shot(s) Files Deck Reel Remark
  4216 - 3787 4216 - 3787 3 1406  
  3786 - 3357 3786 - 3357 4 1407  
  3356 - 3040 3356 - 3040 3 1408  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 2265, 1801 Spiking Trace(s)  
ALL     ALL 1159, 2871 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE   Bird C6-18 running deep throughout line average 8.5 mtrs
4086       ALL Gun Timing Error Gun 5-4 -1.2 ms
3662       ALL Gun Timing Error Gun 5-4 1.1 ms
3514       ALL Gun Timing Error Gun 5-4 1.1 ms
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 10:29:47utc 03-Apr-2002