ACQUISITION REPORT Sequence-0034
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2608A034
  Preplot G01A2608
  Direction 198.0°
  SOL Date 17:39:03utc 04-Nov-2001
  EOL Date 22:16:00utc 04-Nov-2001
 Attributes:  
   Wind Force 10.0 [knots] Dir NNE
   Swell Height 1.0 [meters] Dir NNE
   Propellor rpm 122 [avg]  
   Propellor pitch 97 [avg]  
       
  SOL EOL  
   Waterdepth 42.0 53.0 [meters]
   Bottomspeed  4.7 3.9 [knots]
   Featherangle sb +1.2 port -4.1 [deg]
   Cable noise 5.2 6.01 [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 2.0 0001 0001-0001 0001 0001 - 0001 0.00
2 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0036 0001-0036 0036 0001 - 0036 0.00
3 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0036 0001-0036 0036 0001 - 0036 0.00
4 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0001 0001-0001 0001 0001 - 0001 0.00
5 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0001-0368 0368 0001 - 0368 5.60
6 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0369-0736 0368 0369 - 0736 5.60
7 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0737-1104 0368 0737 - 1104 5.60
8 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1105-1472 0368 1105 - 1472 5.60
9 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1473-1840 0368 1473 - 1840 5.60
10 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1841-2208 0368 1841 - 2208 5.60
11 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 2209-2576 0368 2209 - 2576 5.60
12 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)   3715 - 3714  
   SOL Dummy Record(s) 3713 - 3704 3713 - 3704 17:37:45 - 17:38:55
   FSP Start of Line 3703 3703 17:39:03
   MSP      
   LSP End of Line 1715 1715 22:16:00
   EOL Dummy Record(s) 1714 - 1714 1714 - 1714 22:16:09 - 22:16:09
   EOL Noise Record(s)   1713 - 1712  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3703 - 3211 3703 - 3211 17:39:03-18:42:42 Prime 16 Valid  
    3210 - 3161 3210 - 3161 18:42:49-18:49:13 Prime 0 Scratched No guns fired d/t whales nearby
    3160 - 2756   -    -  Prime 0 Scratched No data recorded
    2755 - 2746 2755 - 2746 19:43:16-19:44:29 Prime 0 Scratched Data recorded - but OOS d/t guns tuning in
    2745 - 1715 2745 - 1715 19:44:37-22:16:00 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7m    
   Recording QC SP 3210-2746 NTBP D/T SHUTDOWN D/T WHALES ON PROSPECT. Filter delay 5.6ms. Frontsheet Set 3. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1016mB. Str 8 Bird 1 mask on External Header, constantly deep, 8.1m.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3715 - 3286 3715 - 3286 2 144  
  3285 - 2451 3285 - 2451 1 145  
  2450 - 2021 2450 - 2021 2 146  
  2020 - 1713 2020 - 1713 1 147  
Stream 2
   Shot(s) Files Deck Reel Remark
  3715 - 3286 3715 - 3286 3 144  
  3285 - 2451 3285 - 2451 4 145  
  2450 - 2021 2450 - 2021 3 146  
  2020 - 1713 2020 - 1713 4 147  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 2819 Killed traces  
ALL     ALL 304, 1127, 1429 Noisy Traces Noisy Traces
3210-2746     3210-2746 ALL NTBP No guns/ no data rec/ guns tuning (OOS) - d/t whales on prospect
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2301 Fails x-feed Fails crossfeed test
ALL     ALL 2224 Weak trace Slightly weak trace
ALL     ALL 1-7, 9, 12, 369-374, 377, 737-745, 748-749, 752, 1105-1113, 1841, 2209-2210 Slope alarm > 5% of total line
3653     3653 NONE Bird depth out of spec Bird C6-3
3160-2756       ALL Missing File Files not recorded by recording system d/t whales
2679     2679 NONE Bird depth out of spec Bird C6-4
1932     1932 NONE Bird depth out of spec Bird C6-4
1856     1856 NONE Bird depth out of spec Bird C6-3
1853-1843     1853-1843 NONE Bird depth out of spec Bird C6-3
1837     1837 NONE Bird depth out of spec Bird C6-4
1807-1796     1807-1796 NONE Bird depth out of spec Bird C6-3
1786-1780     1786-1780 NONE Bird depth out of spec Bird C6-3
1761-1755     1761-1755 NONE Bird depth out of spec Bird C6-3
1753-1749     1753-1749 NONE Bird depth out of spec Bird C6-3
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 09:40:38utc 16-Nov-2001