ACQUISITION REPORT Sequence-0284
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3664A284
  Preplot G01A3664
  Direction 0.0°
  SOL Date 07:09:03utc 16-Feb-2002
  EOL Date 13:01:48utc 16-Feb-2002
 Attributes:  
   Wind Force 12.0 [knots] Dir SW
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 59.0 47.5 [meters]
   Bottomspeed  4.0 4.8 [knots]
   Featherangle sb +5.7 port -1.6 [deg]
   Cable noise 5.8 5.0 [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)   1781 - 1782  
   SOL Dummy Record(s) 1783 - 1812 1783 - 1812 07:04:33 - 07:08:54
   FSP Start of Line 1813 1813 07:09:03
   MSP      
   LSP End of Line 4245 4245 13:01:48
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4246 - 4247  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1813 - 4245 1813 - 4245 07:09:03-13:01:48 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1013mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1781 - 2210 1781 - 2210 1 1129  
  2211 - 2640 2211 - 2640 2 1130  
  2641 - 3070 2641 - 3070 2 1131  
  3071 - 3500 3071 - 3500 2 1132  
  3501 - 3930 3501 - 3930 1 1133  
  3931 - 4247 3931 - 4247 2 1134  
Stream 2
   Shot(s) Files Deck Reel Remark
  1781 - 2210 1781 - 2210 3 1129  
  2211 - 2640 2211 - 2640 4 1130  
  2641 - 3070 2641 - 3070 3 1131  
  3071 - 3500 3071 - 3500 4 1132  
  3501 - 3930 3501 - 3930 4 1133  
  3931 - 4247 3931 - 4247 3 1134  

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 1657, 2641, 109 Spiking Trace(s)  
ALL     ALL 1495 Noisy Trace(s)  
2008-2020     2008-2020 427-460 Monowing wash Low frequency, high amplitude noise due to monowing wash on Str #2
2157-2170     2157-2170 51-67 Bird depth out of spec Bird C1-4
2157-2172     2157-2172 55-107 Monowing wash Low frequency, high amplitude noise due to monowing wash on str #1
2158-2177     2158-2177 75-91 Bird depth out of spec Bird C1-5
2161-2165     2161-2165 27-43 Bird depth out of spec Bird C1-3
2162-2168     2162-2168 99-115 Bird depth out of spec Bird C1-6
2175-2181     2175-2181 99-115 Bird depth out of spec Bird C1-6
2457-2463     2457-2463 419-435 Bird depth out of spec Bird C2-4
3751     3751 1185-1200 Seismic data parity errors 576 Parity errors on streamer #4 bubble #6
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Crossfeed Fails Crossfeed
ALL     ALL 2209-2213 Bird depth out of spec Str #7 bird 1 deep 8.1-8.3m
ALL     ALL 1-17, 20, 22, 369-383, 390, 405, 737-758, 760-761, 763-764, 769, 1105-1139, 1141-1142, 1144, 1147, 1473, 1477-1478, 1480-1491, 1493-1495, 1499-1500, 1508, 1516, 1841-1869, 1873, 1875, 2209-2227, 2229-2232, 2236, 2239, 2577, 2584-2589, 2591-2593, 2601-2605, 2617, 2629 Slope alarm > 5% of total line
3705     3705 ALL Gun timing error Gun 1-2 error (ms) : -2.0
3918     3918 ALL Gun timing error Gun 5-4 error (ms) : -1.3
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 13:20:12utc 16-Feb-2002