ACQUISITION REPORT Sequence-0920
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170D
  Survey Type 4 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A7208JFL920
  Preplot G01A7208FL
  Direction 288.0°
  SOL Date 01:45:39utc 13-Jul-2002
  EOL Date 02:13:19utc 13-Jul-2002
 Attributes:  
   Wind Force 20.0 [knots] Dir NW
   Swell Height 1.0 [meters] Dir NW
   Propellor rpm 134 [avg]  
   Propellor pitch 50 [avg]  
       
  SOL EOL  
   Waterdepth 94.0 73.0 [meters]
   Bottomspeed  5.3 5.2 [knots]
   Featherangle port -4.2 port -7.4 [deg]
   Cable noise 3.77 4.0 [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)   1678 - 1679  
   SOL Dummy Record(s) 1680 - 1709 1680 - 1709 01:42:12 - 01:45:32
   FSP Start of Line 1710 1710 01:45:39
   MSP      
   LSP End of Line 1950 1950 02:13:19
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1951 - 1952  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1710 - 1950 1710 - 1950 01:45:39-02:13:19 Prime 8 Valid Orthogonal line South of Flounder 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 1016mB. Using Four by 2.6km streamer. Side swipes present on records.    

Tape-list
Stream 2
   Shot(s) Files Deck Reel Remark
  1678 - 1952 1678 - 1952 1 10128  
Stream 3
   Shot(s) Files Deck Reel Remark
  1678 - 1952 1678 - 1952 4 10128  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
1841-1852     1841-1852 753 Spiking Trace(s)  
1934     1934 ALL Misfire Gun 4-2.
1948     1948 ALL Misfire Gun 6-2.
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 417-421 Bird depth out of spec Bird C3-1, ocassional deep 8.1-9.0m
1732-1750     1732-1750 657-673 Bird depth out of spec Bird C4-4
1739-1747     1739-1747 683-699 Bird depth out of spec Bird C4-5
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 13:23:01utc 13-Jul-2002