ACQUISITION REPORT Sequence-0127
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3328C127
  Preplot G01A3328
  Direction 18.0°
  SOL Date 13:34:17utc 18-Dec-2001
  EOL Date 19:58:09utc 18-Dec-2001
 Attributes:  
   Wind Force 7.0 [knots] Dir SSW
   Swell Height 0.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 62.7 42.0 [meters]
   Bottomspeed  3.9 4.4 [knots]
   Featherangle port -5.5 sb +1.3 [deg]
   Cable noise 4.6 5.5 [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)   1650 - 1651  
   SOL Dummy Record(s) 1652 - 1681 1652 - 1681 13:29:40 - 13:34:08
   FSP Start of Line 1682 1682 13:34:17
   MSP      
   LSP End of Line 4160 4160 19:58:09
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4161 - 4162  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1682 - 4160 1682 - 4160 13:34:17-19:58:09 Reshoot 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 1017mB. Str 7 Bird 1 mask on External Header, occasionally deep.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1650 - 2079 1650 - 2079 1 536  
  2080 - 2509 2080 - 2509 2 537  
  2510 - 2939 2510 - 2939 1 538  
  2940 - 3369 2940 - 3369 2 539  
  3370 - 3799 3370 - 3799 1 540  
  3800 - 4162 3800 - 4162 2 541  
Stream 2
   Shot(s) Files Deck Reel Remark
  1650 - 2079 1650 - 2079 3 536  
  2080 - 2509 2080 - 2509 3 537  
  2510 - 2939 2510 - 2939 4 538  
  2940 - 3369 2940 - 3369 3 539  
  3370 - 3799 3370 - 3799 4 540  
  3800 - 4162 3800 - 4162 4 541  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2307, 2731 Spiking Trace(s)  
ALL     ALL 2871 Noisy Trace(s)  
3877     3877 ALL Gun timing error Gun 1-2 error (ms) : -2.2
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1459, 1465, 2034 Crossfeed Fail crossfeed test
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1 occassionally deep, 8.3m
ALL     ALL 1-12, 16, 369-380, 390, 737-752, 755, 758, 760, 763-764, 1105-1113, 1125-1126, 1129-1131, 1133, 1135, 1473, 1484, 1489, 1499, 1841-1850, 1852-1853, 1855-1856, 2209-2220, 2223, 2225, 2232, 2577, 2585-2588, 2629 Slope alarm > 5% of total line
3041     3041 ALL Gun timing error Gun 1-2 error (ms) : -1.6
3173     3173 ALL Gun timing error Gun 1-2 error (ms) : -1.6
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 21:10:49utc 18-Dec-2001