ACQUISITION REPORT Sequence-0216
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1440A216
  Preplot G01A1440
  Direction 198.0°
  SOL Date 14:18:31utc 21-Jan-2002
  EOL Date 17:48:08utc 21-Jan-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir SE
   Swell Height 1.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 21.0 39.0 [meters]
   Bottomspeed  4.72 4.93 [knots]
   Featherangle port -1.2 sb +6.1 [deg]
   Cable noise 5.71 9.9 [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)   2632 - 2631  
   SOL Dummy Record(s) 2630 - 2621 2630 - 2621 14:17:15 - 14:18:23
   FSP Start of Line 2620 2620 14:18:31
   MSP      
   LSP End of Line 934 934 17:48:08
   EOL Dummy Record(s)      
   EOL Noise Record(s)   933 - 932  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2620 - 934 2620 - 934 14:18:31-17:48:08 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1015mB, pressure now 1018mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. Gun DI's slightly erratic d/t swell, Occ swell noise seen on all cables after SP 1400    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2632 - 2203 2632 - 2203 1 895  
  2202 - 1773 2202 - 1773 2 896  
  1772 - 1343 1772 - 1343 1 897  
  1342 - 932 1342 - 932 2 898  
Stream 2
   Shot(s) Files Deck Reel Remark
  2632 - 2203 2632 - 2203 3 895  
  2202 - 1773 2202 - 1773 4 896  
  1772 - 1343 1772 - 1343 3 897  
  1342 - 932 1342 - 932 3 898  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 1255 Killed traces  
ALL     ALL- 1853 Killed traces  
ALL     ALL 519 Spiking trace  
2356     2356 ALL Gun autofire Gun 5-4 at 130 ms after aimpoint
2332     2332 ALL Gun autofire Gun 5-4 at 130 ms after aimpoint
2134     2134 ALL Gun autofire Gun 5-4 at 140 ms after aimpoint
1812     1812 ALL Gun autofire Gun 5-4 at 130 ms after aimpoint
1796     1796 1767 Spiking Trace(s)  
1677     1677 317 Spiking Trace(s)  
1595     1595 1798 Spiking Trace(s)  
1553     1553 1991 Spiking Trace(s)  
1389     1389 ALL Gun timing error Gun 1-2 error (ms) : -2.2
1278     1278 ALL Gun autofire Gun 5-4 at 130 ms after aimpoint
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 172 Noisy Trace(s)  
ALL     ALL 2034 Fails crossfeed test  
2620-2285     2620-2285 ALL   Ground roll.
2575     2575 ALL Gun timing error Gun 2-3 error (ms) : 1.4
2547     2547 ALL Gun timing error Gun 2-3 error (ms) : 1.6
2311     2311 ALL Gun timing error Gun 2-3 error (ms) : 1.4
2283     2283 ALL Gun timing error Gun 2-3 error (ms) : 1.1
2195     2195 ALL Gun timing error Gun 2-3 error (ms) : 1.4
2129     2129 ALL Gun timing error Gun 2-3 error (ms) : 1.1
2043     2043 ALL Gun timing error Gun 2-3 error (ms) : 1.1
1995     1995 ALL Gun timing error Gun 2-3 error (ms) : 1.2
1959     1959 ALL Gun timing error Gun 2-3 error (ms) : 1.1
1929     1929 ALL Gun timing error Gun 2-3 error (ms) : 1.2
1855     1855 ALL Gun timing error Gun 2-3 error (ms) : 1.5
1813     1813 ALL Gun timing error Gun 2-3 error (ms) : 1.4
1675     1675 ALL Gun timing error Gun 3-4 error (ms) : 1.6
1631     1631 ALL Gun timing error Gun 3-4 error (ms) : 1.2
1601     1601 ALL Gun timing error Gun 3-4 error (ms) : 1.2
1589     1589 ALL Gun timing error Gun 3-4 error (ms) : 1.2
1577     1577 ALL Gun timing error Gun 3-4 error (ms) : 1.2
1567     1567 ALL Gun timing error Gun 2-3 error (ms) : 1.2
1543     1543 ALL Gun timing error Gun 3-4 error (ms) : 1.1
1539     1539 ALL Gun timing error Gun 3-4 error (ms) : 1.2
1527     1527 ALL Gun timing error Gun 2-3 error (ms) : 1.6
1425     1425 ALL Gun timing error Gun 2-3 error (ms) : 1.7
1400     1400 ALL swell noise swell noise SP 1400-EOL Approx 8µB
1287     1287 ALL Gun timing error Gun 3-4 error (ms) : 1.2
1181     1181 ALL Gun timing error Gun 3-4 error (ms) : 1.1
1093     1093 ALL Gun timing error Gun 2-3 error (ms) : 1.2
1045     1045 ALL Gun timing error Gun 2-3 error (ms) : 1.2
1027-984     1027-984 ALL Bird depth out of Spec Bird C3-14
979     979 ALL Gun timing error Gun 2-3 error (ms) : 1.3
959     959 ALL Gun timing error Gun 2-3 error (ms) : 1.6
Comment
Shot(s)     File(s) Trace(s) Type Remark
2096     2096 NONE External header lost  


 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 22:53:40utc 21-Jan-2002