ACQUISITION REPORT Sequence-0103
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3584A103
  Preplot G01A3584
  Direction 198.0°
  SOL Date 18:21:21utc 02-Dec-2001
  EOL Date 23:31:09utc 02-Dec-2001
 Attributes:  
   Wind Force 20.0 [knots] Dir NE
   Swell Height 1.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 82 [avg]  
       
  SOL EOL  
   Waterdepth 47.0 64.2 [meters]
   Bottomspeed  4.7 4.7 [knots]
   Featherangle sb +8.2 sb +2.9 [deg]
   Cable noise 6.5 10.6 [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)   4137 - 4136  
   SOL Dummy Record(s) 4135 - 4106 4135 - 4106 18:17:32 - 18:21:13
   FSP Start of Line 4105 4105 18:21:21
   MSP      
   LSP End of Line 1673 1673 23:31:09
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1672 - 1671  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4105 - 1673 4105 - 1673 18:21:21-23:31:09 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure mB, pressure now 1006mB. Str 8 Bird 1 mask on External Header    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  4137 - 3708 4137 - 3708 2 420  
  3707 - 3278 3707 - 3278 2 421  
  3277 - 2848 3277 - 2848 1 422  
  2847 - 2436 2847 - 2436 1 423  
  2435 - 2006 2435 - 2006 1 424  
  2005 - 1672 2005 - 1672 1 425  
Stream 2
   Shot(s) Files Deck Reel Remark
  4137 - 3708 4137 - 3708 3 420  
  3707 - 3278 3707 - 3278 4 421  
  3277 - 2848 3277 - 2848 3 422  
  2847 - 2436 2847 - 2436 4 423  
  2435 - 2006 2435 - 2006 3 424  
  2005 - 1672 2005 - 1672 4 425  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2220 Killed traces  
ALL     ALL 1191, 1948 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 839 Noisy Trace(s)  
3636-3057     3636-3057 1948 Spiking Trace(s)  
3058-1672     3058-1672 1948 Killed traces  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-12, 16, 369-380, 737-752, 755, 760, 764, 1105-1113, 1122-1126, 1129-1135, 1137, 1473, 1481-1485, 1487, 1489, 1495, 1498-1499, 1841-1853, 1855-1856, 2577, 2585-2588 Slope alarm > 5% of total line
2943     2943 ALL Gun timing error Gun 2-2 error (ms) : -1.7
2895     2895 ALL Gun timing error Gun 2-2 error (ms) : -1.6
2871     2871 ALL Gun timing error Gun 2-2 error (ms) : -1.6
2795     2795 ALL Gun timing error Gun 2-2 error (ms) : -1.7
2009-1995     2009-1995 419-435 Bird depth out of spec Bird C2-4
1991-1979     1991-1979 443-459 Bird depth out of spec Bird C2-5
1902-1890     1902-1890 395-411 Bird depth out of spec Bird C2-3
1900-1886     1900-1886 419-435 Bird depth out of spec Bird C2-4
1778-1767     1778-1767 419-435 Bird depth out of spec Bird C2-4
Comment
Shot(s)     File(s) Trace(s) Type Remark
1800     1800 ALL Swell Noise Increasing swell noise at end of line.


 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 03:33:44utc 03-Dec-2001