ACQUISITION REPORT Sequence-0106
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3120A106
  Preplot G01A3120
  Direction 198.0°
  SOL Date 05:16:47utc 06-Dec-2001
  EOL Date 10:46:02utc 06-Dec-2001
 Attributes:  
   Wind Force 8.0 [knots] Dir ENE
   Swell Height 1.33 [meters] Dir ENE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 46.0 60.0 [meters]
   Bottomspeed  4.8 4.2 [knots]
   Featherangle sb +3.8 port -3.0 [deg]
   Cable noise 7.04 5.23 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]
   Port Volume 3542 3387  
   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)   4019 - 4018  
   SOL Dummy Record(s) 4017 - 3988 4017 - 3988 05:12:59 - 05:16:40
   FSP Start of Line 3987 3987 05:16:47
   MSP      
   LSP End of Line 1473 1473 10:46:02
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1472 - 1471  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3987 - 1473 3987 - 1473 05:16:47-10:46:02 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017 mB, pressure now 1009 mB. Str 8 Bird 1 and Str 1 Bird 17 mask on External Header.SPU position 1 on array 1 dead.SP 3565 gun 5-6 disabled dt not fired    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  4019 - 3590 4019 - 3590 2 430  
  3589 - 3160 3589 - 3160 1 431  
  3159 - 2730 3159 - 2730 1 432  
  2729 - 2300 2729 - 2300 1 433  
  2299 - 1870 2299 - 1870 2 434  
  1869 - 1472 1869 - 1472 1 435  
Stream 2
   Shot(s) Files Deck Reel Remark
  4019 - 3590 4019 - 3590 3 430  
  3589 - 3160 3589 - 3160 4 431  
  3159 - 2730 3159 - 2730 3 432  
  2729 - 2300 2729 - 2300 4 433  
  2299 - 1870 2299 - 1870 3 434  
  1869 - 1472 1869 - 1472 4 435  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1948 Killed traces  
ALL     ALL 1191, 2764, 2806 Weak Trace(s) Trace signal less than -3dB of nominal value
3634     3634 ALL Gun not fired Gun 5-6. Source volume : 3387 cu.in.
3614     3614 ALL Gun not fired Gun 5-6. Source volume : 3387 cu.in.
3602     3602 ALL Gun not fired Gun 5-6. Source volume : 3387 cu.in.
3594     3594 ALL Gun not fired Gun 5-6. Source volume : 3387 cu.in.
3586     3586 ALL Gun not fired Gun 5-6. Source volume : 3387 cu.in.
3580     3580 ALL Gun not fired Gun 5-6. Source volume : 3387 cu.in.
3576     3576 ALL Gun not fired Gun 5-6. Source volume : 3387 cu.in.
3566     3566 ALL Gun not fired Gun 5-6. Source volume : 3387 cu.in.
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2577-2581 Bird depth out of spec Bird C8-1 deep all line, max 8.2
ALL     ALL 1-7, 9, 12, 369-374, 377, 737-749, 752, 1105-1113, 1126, 1841, 2209-2211, 2213-2214, 2216-2218 Slope alarm > 5% of total line
3987-3720     3987-3720 ALL Swell Noise Affecting 5 % of traces, amplitude 30-100 uB
3731     3731 1841-1845 Bird depth out of spec Bird C6-1
1938     1938 2195-2208 Bird depth out of spec Bird C6-17
1920     1920 1841-1845 Bird depth out of spec Bird C6-1
Comment
Shot(s)     File(s) Trace(s) Type Remark
3565     3565 ALL Disabled gun gun 5-6 disabled dt not fired


 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 19:40:30utc 06-Dec-2001