ACQUISITION REPORT Sequence-0198
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2400K198
  Preplot G01A2400
  Direction 198.0°
  SOL Date 15:20:56utc 16-Jan-2002
  EOL Date 16:34:02utc 16-Jan-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir E
   Swell Height 1.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 47.0 47.0 [meters]
   Bottomspeed  4.9 5.0 [knots]
   Featherangle sb +9.3 port -3.3 [deg]
   Cable noise 7.6 48.83 [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)   2827 - 2826  
   SOL Dummy Record(s) 2825 - 2816 2825 - 2816 15:19:41 - 15:20:48
   FSP Start of Line 2815 2815 15:20:56
   MSP      
   LSP End of Line 2255 2255 16:34:02
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1526 - 1525  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2815 - 2255 2815 - 2255 15:20:56-16:34:02 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 1018mB. All gun DI's slightly erratic d/t swell. Occ swell noise seen on all cables approx. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. All gun DI's slightly erratic d/t swell. Occ swell noise seen on all cables approx.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2827 - 2398 2827 - 2398 1 806  
  2397 - 1525 2397 - 1525 2 807  
Stream 2
   Shot(s) Files Deck Reel Remark
  2827 - 2398 2827 - 2398 3 806  
  2397 - 1525 2397 - 1525 4 807  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1255 Killed traces  
ALL     ALL 1853 Killed traces  
ALL     ALL 2641 Killed traces  
ALL     ALL 1159 Noisy Trace(s)  
2298-2255     2298-2255 1473-1534 Noisy Trace(s) Turn noise avoiding platform
2298-2255     2298-2255 1841-1944 Noisy Trace(s) Turn noise avoiding platform
2298-2255     2298-2255 2577-2684 Noisy Trace(s) Turn noise avoiding platform.
2296-2255     2296-2255 1105-1164 Noisy Trace(s) Turn noise avoiding platform
2294-2255     2294-2255 2209-2316 Noisy Trace(s) Turn noise avoiding platform.
2283-2255     2283-2255 2684-2731 Noisy Trace(s) Turn noise avoiding platform.
2280-2255     2280-2255 1-57 Noisy Trace(s) Turn noise avoiding platform.
2280-2255     2280-2255 737-819 Noisy Trace(s) Turn noise avoiding platform
2280-2255     2280-2255 1164-1199 Noisy Trace(s) Turn noise avoiding platform
2280-2255     2280-2255 1534-1579 Noisy Trace(s) Turn noise avoiding platform
2280-2255     2280-2255 368-427 Noisy Trace(s) Turn noise avoiding platform.
2272-2255     2272-2255 2316-2362 Noisy Trace(s) Turn noise avoiding platform.
2268-2255     2268-2255 1944-1988 Noisy Trace(s) Turn noise avoiding platform.
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-7, 9, 12, 369-374, 737-738, 741, 744, 1105-1106, 1109, 1112, 2209-2218, 2577, 2585-2586 Slope alarm > 5% of total line
ALL     ALL 2034 Fails crossfeed test  
Comment
Shot(s)     File(s) Trace(s) Type Remark
2300     2300 ALL   Turning off line to avoid platform
2255     2255 ALL   Stop recording last shotpoint 2255


 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 17:52:00utc 16-Jan-2002