ACQUISITION REPORT Sequence-0133
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3344J133
  Preplot G01A3344
  Direction 18.0°
  SOL Date 13:21:01utc 20-Dec-2001
  EOL Date 17:44:38utc 20-Dec-2001
 Attributes:  
   Wind Force 20.0 [knots] Dir SW
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 56.5 45.0 [meters]
   Bottomspeed  4.7 4.5 [knots]
   Featherangle port -3.8 port -8.0 [deg]
   Cable noise 5.3 6.3 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]
   Port Volume 3488 3488  
   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)   2128 - 2129  
   SOL Dummy Record(s) 2130 - 2159 2130 - 2159 13:17:10 - 13:20:54
   FSP Start of Line 2160 2160 13:21:01
   MSP      
   LSP End of Line 4164 4164 17:44:38
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4165 - 4166  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2160 - 4164 2160 - 4164 13:21:01-17:44:38 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 1012mB. Str7 Bird 1 mask on External Header, occasionally deep.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2128 - 2557 2128 - 2557 1 569  
  2558 - 2987 2558 - 2987 2 570  
  2988 - 3417 2988 - 3417 1 571  
  3418 - 3847 3418 - 3847 2 572  
  3848 - 4166 3848 - 4166 1 573  
Stream 2
   Shot(s) Files Deck Reel Remark
  2128 - 2557 2128 - 2557 3 569  
  2558 - 2987 2558 - 2987 4 570  
  2988 - 3417 2988 - 3417 4 571  
  3418 - 3847 3418 - 3847 3 572  
  3848 - 4166 3848 - 4166 4 573  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1657, 2307, 2731 Spiking Trace(s)  
ALL     ALL 2871 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1459, 1465, 2034 Crossfeed Fails Crossfeed
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1 occasional deep 8.1-8.4m
ALL     ALL 1-14, 16, 20, 369-374, 376-379, 737-745, 747-751, 755, 1105, 1109-1113, 1125-1126, 1130-1131, 1133, 1482, 1484-1485, 1499, 1841-1850, 1852-1853, 1855-1856, 1860, 2209-2217, 2219-2220, 2223, 2577, 2585, 2588 Slope alarm > 5% of total line
2949-2956     2949-2956 395-411 Bird depth out of spec Bird C2-3
2950-2958     2950-2958 419-435 Bird depth out of spec Bird C2-4
3341-3349     3341-3349 395-411 Bird depth out of spec Bird C2-3
3345-3352     3345-3352 419-435 Bird depth out of spec Bird C2-4
3488-3501     3488-3501 395-411 Bird depth out of spec Bird C2-3
3492-3501     3492-3501 419-435 Bird depth out of spec Bird C2-4
3498-3508     3498-3508 51-67 Bird depth out of spec Bird C1-4
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- ALL Gun disabled Gun 6-7. Source volume at shot 2160 : 3488 cu.in.


 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 23:26:32utc 20-Dec-2001