ACQUISITION REPORT Sequence-0894
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170D
  Survey Type 4 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A7816JTU894
  Preplot G01A7816TU
  Direction 108.0°
  SOL Date 07:28:54utc 08-Jul-2002
  EOL Date 07:59:01utc 08-Jul-2002
 Attributes:  
   Wind Force 15.0 [knots] Dir NNW
   Swell Height 1.5 [meters] Dir NNW
   Propellor rpm 130 [avg]  
   Propellor pitch 55 [avg]  
       
  SOL EOL  
   Waterdepth 54.0 58.0 [meters]
   Bottomspeed  5.0 5.1 [knots]
   Featherangle port -13.8 sb +11.5 [deg]
   Cable noise 4.2 4.42 [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
0 STBD -180.0 25.0 -6.0 0.0 0 0
0 STBD -180.0 -25.0 -6.0 0.0 0 0

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)   2252 - 2251  
   SOL Dummy Record(s) 2250 - 2221 2250 - 2221 07:25:17 - 07:28:47
   FSP Start of Line 2220 2220 07:28:54
   MSP      
   LSP End of Line 1970 1970 07:59:01
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1968 - 1968  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2220 - 1970 2220 - 1970 07:28:54-07:59:01 Infill 8 Valid Orthogonal line North of 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 1017mB. Using Four by 2.6km streamer. Side swipes present on recording data.    

Tape-list
Stream 2
   Shot(s) Files Deck Reel Remark
  2252 - 1968 2252 - 1968 2 10102  
Stream 3
   Shot(s) Files Deck Reel Remark
  2252 - 1968 2252 - 1968 4 10102  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
Warning
Shot(s)     File(s) Trace(s) Type Remark
2208-2097     2208-2097 241-257 Bird depth out of spec Bird C2-4
2188-2152     2188-2152 267-283 Bird depth out of spec Bird C2-5
2179     2179 ALL Gun timing error Gun 2-3 error (ms) : -1.2
2120     2120 ALL Gun timing error Gun 5-3 error (ms) : -1.2
2120-2068     2120-2068 267-283 Bird depth out of spec Bird C2-5
2106-2087     2106-2087 ALL Rig noise Noise seen on front third of streamer
2091-2061     2091-2061 241-257 Bird depth out of spec Bird C2-4
2080     2080 ALL Gun timing error Gun 5-3 error (ms) : -1.1
2041-2032     2041-2032 267-283 Bird depth out of spec Bird C2-5
2030-2019     2030-2019 267-283 Bird depth out of spec Bird C2-5
2020     2020 ALL Gun timing error Gun 5-3 error (ms) : -1.3
2018     2018 ALL Gun timing error Gun 5-3 error (ms) : -1.1
1988-1970     1988-1970 241-257 Bird depth out of spec Bird C2-4
1988-1970     1988-1970 267-283 Bird depth out of spec Bird C2-5
1976     1976 ALL Gun timing error Gun 5-3 error (ms) : -1.2
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 18:18:41utc 11-Jul-2002