ACQUISITION REPORT Sequence-0135
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3360K135
  Preplot G01A3360
  Direction 18.0°
  SOL Date 02:14:47utc 21-Dec-2001
  EOL Date 05:30:38utc 21-Dec-2001
 Attributes:  
   Wind Force 2.0 [knots] Dir SW
   Swell Height 1.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 54.0 44.0 [meters]
   Bottomspeed  4.1 0.0 [knots]
   Featherangle sb +3.2 sb +3.7 [deg]
   Cable noise 4.9 5.59 [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)      
   FSP Start of Line 2595 2595 02:14:47
   MSP      
   LSP End of Line 4168 4168 05:30:38
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4169 - 4170  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2595 - 4168 2595 - 4168 02:14:47-05:30:38 Infill 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 1012mB. Str7 Bird 1 mask on External Header, occasionally deep. No SOL noise records d/t streamers initialize problem.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2595 - 3024 2595 - 3024 1 577  
  3025 - 3454 3025 - 3454 2 578  
  3455 - 3884 3455 - 3884 1 579  
  3885 - 4170 3885 - 4170 2 580  
Stream 2
   Shot(s) Files Deck Reel Remark
  2595 - 3024 2595 - 3024 3 577  
  3025 - 3454 3025 - 3454 4 578  
  3455 - 3884 3455 - 3884 3 579  
  3885 - 4170 3885 - 4170 4 580  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2307, 2731, 1657 Spiking Trace(s)  
ALL     ALL 2871 Noisy Trace(s)  
3325     3325 ALL Gun timing error Gun 1-2 error (ms) : -2.0
3393     3393 ALL Gun timing error Gun 1-2 error (ms) : -2.0
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1459, 1465, 2034   Fails Crossfeed test
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1Occasional deep 7.8-8.1m
ALL     ALL 1-13, 16, 369-380, 737-753, 755, 758, 760, 763-764, 1105-1113, 1122-1126, 1129-1133, 1135, 1473, 1841-1850, 1852-1853, 1855-1856, 2209-2220, 2225, 2577, 2585-2587 Slope alarm > 5% of total line
3764     3764 ALL Gun timing error Gun 6-2 error (ms) : 1.7
4046     4046 ALL Gun timing error Gun 6-2 error (ms) : 1.7
4054     4054 ALL Gun timing error Gun 6-2 error (ms) : 1.8
4088-4089     4088-4089 369-373 Bird depth out of spec Bird C2-1
4161     4161 2283-2299 Bird depth out of spec Bird C7-5
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 05:43:35utc 21-Dec-2001