ACQUISITION REPORT Sequence-0327
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3936C327
  Preplot G01A3936
  Direction 198.0°
  SOL Date 17:02:52utc 24-Mar-2002
  EOL Date 20:50:30utc 24-Mar-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir ENE
   Swell Height 1.0 [meters] Dir W
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 59.0 67.0 [meters]
   Bottomspeed  5.0 4.7 [knots]
   Featherangle port -0.4 port -0.7 [deg]
   Cable noise 5.2 6.0 [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 -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)   9999 - 3125  
   SOL Dummy Record(s) 3124 - 3115 3124 - 3115 17:01:31 - 17:02:44
   FSP Start of Line 3114 3114 17:02:52
   MSP      
   LSP End of Line 1401 1401 20:50:30
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1400 - 1  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3114 - 1401 3114 - 1401 17:02:52-20:50:30 Reshoot 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC MILD MONOWING WASH FREQUENTLY AFFECTING STR 1 & 2. Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1016mB, pressure now 1018mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3126 - 2697 3126 - 2697 1 1340  
  2696 - 2267 2696 - 2267 2 1341  
  2266 - 1837 2266 - 1837 1 1342  
  1836 - 1400 1836 - 1400 2 1343  
Stream 2
   Shot(s) Files Deck Reel Remark
  3126 - 2697 3126 - 2697 3 1340  
  2696 - 2267 2696 - 2267 4 1341  
  2266 - 1837 2266 - 1837 3 1342  
  1836 - 1400 1836 - 1400 4 1343  

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 1159 Noisy Trace(s)  
2722-2705     2722-2705 51-67 Bird depth out of spec Bird C1-4
2711-2699     2711-2699 419-435 Bird depth out of spec Bird C2-4
2309-2302     2309-2302 51-67 Bird depth out of spec Bird C1-4
2307-2294     2307-2294 75-91 Bird depth out of spec Bird C1-5
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1633, 2782 Weak Trace(s) Trace signal less than -6dB of nominal value
2806-2791     2806-2791 NONE Bird depth out of spec Bird C1-5
2784-2773     2784-2773 NONE Bird depth out of spec Bird C1-4
2718-2708     2718-2708 NONE Bird depth out of spec Bird C1-3
2711-2706     2711-2706 NONE Bird depth out of spec Bird C1-5
2709-2695     2709-2695 NONE Bird depth out of spec Bird C2-5
2698-2688     2698-2688 NONE Bird depth out of spec Bird C2-4
2694-2687     2694-2687 NONE Bird depth out of spec Bird C1-5
2647-2625     2647-2625 NONE Bird depth out of spec Bird C1-4
2581-2578     2581-2578 NONE Bird depth out of spec Bird C1-6
2459-2445     2459-2445 NONE Bird depth out of spec Bird C5-6
2307-2288     2307-2288 NONE Bird depth out of spec Bird C1-6
2286-2276     2286-2276 NONE Bird depth out of spec Bird C2-6
2255-2244     2255-2244 NONE Bird depth out of spec Bird C1-5
2254-2240     2254-2240 NONE Bird depth out of spec Bird C1-4
2241-2234     2241-2234 NONE Bird depth out of spec Bird C2-6
2035-2023     2035-2023 NONE Bird depth out of spec Bird C1-3
1561-1547     1561-1547 NONE Bird depth out of spec Bird C1-4
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 21:19:45utc 24-Mar-2002