ACQUISITION REPORT Sequence-0810
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170C
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2336PSN810
  Preplot G01A2336SN
  Direction 108.0°
  SOL Date 02:14:51utc 26-Feb-2002
  EOL Date 02:40:22utc 26-Feb-2002
 Attributes:  
   Wind Force 15.0 [knots] Dir SSW
   Swell Height 1.0 [meters] Dir E
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 48.0 49.0 [meters]
   Bottomspeed  4.8 4.6 [knots]
   Featherangle port -0.8 port -1.1 [deg]
   Cable noise 5.0 4.3 [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 -345.0 25.0 -6.0 3542.0 3 24
2 PORT -345.0 -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 -520.0 350.0 -7.0 4600 Nessie-3 12.5 368 0001-0368
2 STBD -520.0 250.0 -7.0 4600 Nessie-3 12.5 368 0369-0736
3 STBD -520.0 150.0 -7.0 4600 Nessie-3 12.5 368 0737-1104
4 STBD -520.0 50.0 -7.0 4600 Nessie-3 12.5 368 1105-1472
5 PORT -520.0 -50.0 -7.0 4600 Nessie-3 12.5 368 1473-1840
6 PORT -520.0 -150.0 -7.0 4600 Nessie-3 12.5 368 1841-2208
7 PORT -520.0 -250.0 -7.0 4600 Nessie-3 12.5 368 2209-2576
8 PORT -520.0 -350.0 -7.0 4600 Nessie-3 12.5 368 2577-2944

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 0368 0001-0368 0368 0001 - 0368 5.60
3 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0369-0736 0368 0369 - 0736 5.60
4 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0737-1104 0368 0737 - 1104 5.60
5 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1105-1472 0368 1105 - 1472 5.60
6 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1473-1840 0368 1473 - 1840 5.60
7 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1841-2208 0368 1841 - 2208 5.60
8 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 2209-2576 0368 2209 - 2576 5.60
9 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 2577-2944 0368 2577 - 2944 5.60

Production
  Shotpoint File Time [utc]
   SOL Noise Record(s)   3944 - 3943  
   SOL Dummy Record(s) 3942 - 3913 3942 - 3913 02:11:04 - 02:14:43
   FSP Start of Line 3912 3912 02:14:51
   MSP      
   LSP End of Line 3711 3711 02:40:22
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3710 - 3710  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3912 - 3711 3912 - 3711 02:14:51-02:40:22 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m. NAVRT External Header Block defines Job No. 9170C    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1016mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3944 - 3710 3944 - 3710 2 10010  
Stream 2
   Shot(s) Files Deck Reel Remark
  3944 - 3710 3944 - 3710 4 10010  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476, 1633 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 109, 1657, 2307 Spiking Trace(s)  
ALL     ALL 1495 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Crossfeed Fail Crossfeed
ALL     ALL 9, 12, 369, 737-739, 741, 1105-1113, 1126, 1473, 1841-1849, 2209-2211 Slope alarm > 5% of total line
3885     3885 2209-2213 Bird depth out of spec Bird C7-1, occasional depth 8.1 - 8.2m
3853     3853 2577-2944 Earth Leakage Low level air leakage on streamer #8
3848     3848 2577-2944 Earth Leakage Low level air leakage on streamer #8
3846     3846 2577-2944 Earth Leakage Low level air leakage on streamer #8
3845     3845 2577-2944 Earth Leakage Low level air leakage on streamer #8
3843     3843 2577-2944 Earth Leakage Low level air leakage on streamer #8
3842     3842 2577-2944 Earth Leakage Low level air leakage on streamer #8
3841     3841 2577-2944 Earth Leakage Low level air leakage on streamer #8
3835     3835 2577-2944 Earth Leakage Low level air leakage on streamer #8
3831     3831 2577-2944 Earth Leakage Low level air leakage on streamer #8
3800     3800 2577-2944 Earth Leakage Low level air leakage on streamer #8
3796     3796 2577-2944 Earth Leakage Low level air leakage on streamer #8
3795     3795 2577-2944 Earth Leakage Low level air leakage on streamer #8
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 04:41:06utc 26-Feb-2002