ACQUISITION REPORT Sequence-0213
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1664A213
  Preplot G01A1664
  Direction 18.0°
  SOL Date 20:55:50utc 20-Jan-2002
  EOL Date 00:53:18utc 21-Jan-2002
 Attributes:  
   Wind Force 8.0 [knots] Dir SSW
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 41.0 29.0 [meters]
   Bottomspeed  4.8 4.6 [knots]
   Featherangle port -0.1 sb +4.5 [deg]
   Cable noise 4.6 4.11 [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)      
   SOL Dummy Record(s) 916 - 1081 916 - 1081 20:35:04 - 20:55:42
   FSP Start of Line 1082 1082 20:55:50
   MSP 2583 2583 23:59:55
   LSP End of Line 2973 2973 00:53:18
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2974 - 2975  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1082 - 2973 1082 - 2973 20:55:50-00:53:18 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1018mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. All gun DI's slightly erratic d/t swell.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1070 - 1499 1070 - 1499 1 881  
  1500 - 1929 1500 - 1929 2 882  
  1930 - 2359 1930 - 2359 1 883  
  2360 - 2789 2360 - 2789 2 884  
  2790 - 2975 2790 - 2975 1 885  
Stream 2
   Shot(s) Files Deck Reel Remark
  1070 - 1499 1070 - 1499 3 881  
  1500 - 1929 1500 - 1929 4 882  
  1930 - 2359 1930 - 2359 3 883  
  2360 - 2789 2360 - 2789 4 884  
  2790 - 2975 2790 - 2975 3 885  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 172 Noisy Trace(s)  
ALL     ALL 1255 Killed traces  
ALL     ALL 1853 Killed traces  
ALL     ALL 2641 Occ Spiking  
1297     1297 ALL Gun timing error Gun 1-2 error (ms) : -2.0
1703     1703 ALL Gun timing error Gun 1-2 error (ms) : -2.0
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Fails crossfeed test  
1787     1787 ALL Gun timing error Gun 2-3 error (ms) : 1.4
2019     2019 ALL Gun timing error Gun 2-3 error (ms) : 1.4
2141     2141 ALL Gun timing error Gun 2-3 error (ms) : 1.4
2172     2172 NONE Bird depth out of spec Bird C4-17
2188-2189     2188-2189 NONE Bird depth out of spec Bird C4-17
2193     2193 ALL Gun timing error Gun 2-3 error (ms) : 1.8
2249     2249 ALL Gun timing error Gun 2-3 error (ms) : 1.3
2318-2319     2318-2319 NONE Bird depth out of spec Bird C8-2
2321     2321 NONE Bird depth out of spec Bird C8-2
2401     2401 ALL Gun timing error Gun 2-3 error (ms) : 1.6
2615     2615 ALL Gun timing error Gun 2-3 error (ms) : 1.5
2713     2713 ALL Gun timing error Gun 2-3 error (ms) : 1.5
2781     2781 ALL Gun timing error Gun 2-3 error (ms) : 1.3
2937     2937 ALL Gun timing error Gun 2-3 error (ms) : 1.2
2947     2947 ALL Gun timing error Gun 1-2 error (ms) : -1.6
Comment
Shot(s)     File(s) Trace(s) Type Remark
1962     1962 NONE Bird depth out of spec Bird C1-14, Bird displayed as 68m, data spike.
2468     2468 NONE Bird depth out of spec Bird C1-15, Bird depth displayed as 68m, data spike.


 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 06:38:03utc 21-Jan-2002