ACQUISITION REPORT Sequence-0211
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1680A211
  Preplot G01A1680
  Direction 18.0°
  SOL Date 09:46:02utc 20-Jan-2002
  EOL Date 13:41:49utc 20-Jan-2002
 Attributes:  
   Wind Force 15.0 [knots] Dir SW
   Swell Height 1.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 99 [avg]  
       
  SOL EOL  
   Waterdepth 41.0 30.0 [meters]
   Bottomspeed  4.8 4.6 [knots]
   Featherangle sb +5.0 port -0.3 [deg]
   Cable noise 0.0 4.7 [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)   1072 - 1073  
   SOL Dummy Record(s) 1074 - 1083 1074 - 1083 09:44:46 - 09:45:54
   FSP Start of Line 1084 1084 09:46:02
   MSP      
   LSP End of Line 2989 2989 13:41:49
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2990 - 2991  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1084 - 2989 1084 - 2989 09:46:02-13:41:49 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Occasional small timing error gun 3-5 (approx 1.4% of line). Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1012mB. Bird 1-15 int comms.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1072 - 1501 1072 - 1501 1 871  
  1502 - 1931 1502 - 1931 2 872  
  1932 - 2361 1932 - 2361 1 873  
  2362 - 2791 2362 - 2791 2 874  
  2792 - 2991 2792 - 2991 1 875  
Stream 2
   Shot(s) Files Deck Reel Remark
  1072 - 1501 1072 - 1501 3 871  
  1502 - 1931 1502 - 1931 4 872  
  1932 - 2361 1932 - 2361 3 873  
  2362 - 2791 2362 - 2791 4 874  
  2792 - 2991 2792 - 2991 3 875  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 1255 Killed traces  
ALL     ALL- 1853 Killed traces  
ALL     ALL 172 Noisy  
ALL     ALL 2641 Occ Spiking  
1114     1114 2641   spiking trace
1407     1407 2641   spiking trace
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Fails Crossfeed  
1227     1227 ALL Gun timing error Gun 2-3 error (ms) : 1.2
1379     1379 ALL Gun timing error Gun 2-3 error (ms) : 1.7
1441     1441 ALL Gun timing error Gun 2-3 error (ms) : 1.7
1521     1521 ALL Gun timing error Gun 2-3 error (ms) : 1.4
1619     1619 ALL Gun timing error Gun 2-3 error (ms) : 1.3
1651     1651 ALL Gun timing error Gun 2-3 error (ms) : 1.2
1857     1857 ALL Gun timing error Gun 2-3 error (ms) : 1.2
1895     1895 ALL Gun timing error Gun 2-3 error (ms) : 1.6
1933     1933 ALL Gun timing error Gun 2-3 error (ms) : 1.2
1959     1959 ALL Gun timing error Gun 2-3 error (ms) : 1.4
2071     2071 ALL Gun timing error Gun 2-3 error (ms) : 1.1
2103     2103 ALL Gun timing error Gun 1-2 error (ms) : -1.9
2133     2133 ALL Gun timing error Gun 2-3 error (ms) : 1.6
2161     2161 ALL Gun timing error Gun 2-3 error (ms) : 1.9
2207     2207 ALL Gun timing error Gun 2-3 error (ms) : 1.4
2251     2251 ALL Gun timing error Gun 2-3 error (ms) : 1.3
2309     2309 ALL Gun timing error Gun 3-5 error (ms) : -1.1
2355     2355 ALL Gun timing error Gun 2-3 error (ms) : 1.1
2375     2375 ALL Gun timing error Gun 2-3 error (ms) : 1.2
2405     2405 ALL Gun timing error Gun 2-3 error (ms) : 1.4
2475     2475 ALL Gun timing error Gun 2-3 error (ms) : 1.5
2519     2519 ALL Gun timing error Gun 2-3 error (ms) : 1.2
2543     2543 ALL Gun timing error Gun 2-3 error (ms) : 1.3
2583     2583 ALL Gun timing error Gun 3-5 error (ms) : -1.1
2693     2693 ALL Gun timing error Gun 3-5 error (ms) : -1.1
2713     2713 ALL Gun timing error Gun 2-3 error (ms) : 1.3
2779     2779 ALL Gun timing error Gun 2-3 error (ms) : 1.2
2829     2829 ALL Gun timing error Gun 2-3 error (ms) : 1.2
2901     2901 ALL Gun timing error Gun 2-3 error (ms) : 1.4
2925     2925 ALL Gun timing error Gun 2-3 error (ms) : 1.1
Comment
Shot(s)     File(s) Trace(s) Type Remark
1650     1650 ALL Slowing down Reducing speed slightly to maintain optimum manifold pressure


 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 14:22:09utc 20-Jan-2002