ACQUISITION REPORT Sequence-0042
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2928B042
  Preplot G01A2928
  Direction 18.0°
  SOL Date 07:08:14utc 09-Nov-2001
  EOL Date 08:34:02utc 09-Nov-2001
 Attributes:  
   Wind Force 10.0 [knots] Dir SW
   Swell Height 1.6 [meters] Dir SSE
   Propellor rpm 122 [avg]  
   Propellor pitch 75 [avg]  
       
  SOL EOL  
   Waterdepth 49.0 44.0 [meters]
   Bottomspeed  3.7 3.7 [knots]
   Featherangle port -2.5 port -3.1 [deg]
   Cable noise 4.97 5.81 [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 2.0 0001 0001-0001 0001 0001 - 0001 0.00
2 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0036 0001-0036 0036 0001 - 0036 0.00
3 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0036 0001-0036 0036 0001 - 0036 0.00
4 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0001 0001-0001 0001 0001 - 0001 0.00
5 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0001-0368 0368 0001 - 0368 5.60
6 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0369-0736 0368 0369 - 0736 5.60
7 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0737-1104 0368 0737 - 1104 5.60
8 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1105-1472 0368 1105 - 1472 5.60
9 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1473-1840 0368 1473 - 1840 5.60
10 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1841-2208 0368 1841 - 2208 5.60
11 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 2209-2576 0368 2209 - 2576 5.60
12 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)   3156 - 3157  
   SOL Dummy Record(s) 3158 - 3167 3158 - 3167 07:06:35 - 07:08:04
   FSP Start of Line 3168 3168 07:08:14
   MSP      
   LSP End of Line 3685 3685 08:34:02
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4047 - 4048  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3168 - 3177 3168 - 3177 07:08:14-07:09:44 Reshoot 16 Valid Overlap SP
    3178 - 3235 3178 - 3235 07:09:53-07:19:19 Reshoot 16 Valid Reshoot seq 028
    3236 - 3525 3236 - 3525 07:19:29-08:07:49 Reshoot 16 Valid Overlap
    3526 - 3556 3526 - 3556 08:07:59-08:12:55 Reshoot 16 Valid Reshoot seq 030,
    3557 - 3566 3557 - 3566 08:13:05-08:14:34 Reshoot 16 Valid Overlap SP
    3567 - 3685 3567 - 3685 08:14:44-08:34:02 Unknown 16 Scratched Gap between reshoots, LSP 3685 recorded to tape, due to helicopter
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 3. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1010mB. Str 8 Bird 1 mask on External Header, occasionally deep, 8.1m. PI on array 2 incorrect reading. LGSP # 3566 end of reshoot 2.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3156 - 3585 3156 - 3585 1 170  
  3586 - 4048 3586 - 4048 1 171  
Stream 2
   Shot(s) Files Deck Reel Remark
  3156 - 3585 3156 - 3585 3 170  
  3586 - 4048 3586 - 4048 4 171  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
Warning
Shot(s)     File(s) Trace(s) Type Remark
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 17:58:37utc 10-Nov-2001