ACQUISITION REPORT Sequence-0919
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170D
  Survey Type 4 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4384LFL919
  Preplot G01A4384
  Direction 18.0°
  SOL Date 22:50:13utc 12-Jul-2002
  EOL Date 23:02:21utc 12-Jul-2002
 Attributes:  
   Wind Force   [knots] $(wind_dir)
   Swell Height   [meters] $(swell_dir)
   Propellor rpm   [avg]  
   Propellor pitch   [avg]  
       
  SOL EOL  
   Waterdepth 87.0 84.0 [meters]
   Bottomspeed  4.5 4.5 [knots]
   Featherangle port -9.5 0.0 [deg]
   Cable noise 4.7 0.0 [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 -180.0 25.0 -6.0 3542.0 3 24
2 PORT -180.0 -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 -330.0 150.0 -7.0 2600 Nessie-3 12.5 208 0001-0208
2 STBD -330.0 50.0 -7.0 2600 Nessie-3 12.5 208 0209-0416
3 PORT -330.0 -50.0 -7.0 2600 Nessie-3 12.5 208 0417-0624
4 PORT -330.0 -150.0 -7.0 2600 Nessie-3 12.5 208 0625-0832

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 0208 0001-0208 0208 0001 - 0208 5.60
3 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0208 0209-0416 0208 0209 - 0416 5.60
4 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0208 0417-0624 0208 0417 - 0624 5.60
5 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0208 0625-0832 0208 0625 - 0832 5.60

Production
  Shotpoint File Time [utc]
   SOL Noise Record(s)   2518 - 2519  
   SOL Dummy Record(s) 2520 - 2549 2520 - 2549 22:46:06 - 22:50:05
   FSP Start of Line 2550 2550 22:50:13
   MSP      
   LSP End of Line 2640 2640 23:02:21
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4259 - 4260  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2550 - 2640 2550 - 2640 22:50:13-23:02:21 Infill 0 Scratched NTBP. Orthogonal line west of Flounder platform
 Remarks:      
   Navigation Streamer depth 7.0mtr. Four by 2.6km streamer line. NTBP dt auto fire.    
   Recording QC Frontsheet Set 6. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1016mB. Using Four by 2.6km streamer. Side swipes present on records.    

Tape-list
Stream 2
   Shot(s) Files Deck Reel Remark
  2518 - 4260 2518 - 4260 2 10127  
Stream 3
   Shot(s) Files Deck Reel Remark
  2518 - 4260 2518 - 4260 3 10127  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
2618     2618 ALL Gun timing error Gun 5-3 error (ms) : -1.1
2636     2636 ALL Line information All guns disabled
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-10, 22, 24, 28, 209-210, 213-214, 219, 417-418, 421-425, 437-438, 441, 446, 456, 625-637, 648, 650, 656 Slope alarm > 5% of total line
2570     2570 ALL Gun timing error Gun 5-3 error (ms) : -1.1
2606     2606 ALL Gun autofire Gun 4-8 at 650 ms after aimpoint
2616     2616 ALL Gun autofire Gun 4-8 at 4040 ms after aimpoint
2618     2618 ALL Gun autofire Gun 4-8 at 4500 ms after aimpoint
2620     2620 ALL Gun autofire Gun 4-8 at 4190 ms after aimpoint
2622     2622 ALL Gun autofire Gun 4-8 at 4080 ms after aimpoint
2624     2624 ALL Gun autofire Gun 4-8 at 4050 ms after aimpoint
2626     2626 ALL Gun autofire Gun 4-8 at 4390 ms after aimpoint
2628     2628 ALL Gun autofire Gun 4-8 at 4490 ms after aimpoint
2630     2630 ALL Gun autofire Gun 4-8 at 4250 ms after aimpoint
2632     2632 ALL Gun autofire Gun 4-8 at 4510 ms after aimpoint
Comment
Shot(s)     File(s) Trace(s) Type Remark
2614     2614 ALL LGSP Last good SP before Auto fire gun 4-8
2620-2641     2620- ALL Gun disabled Gun 4-8. Source volume at shot 2620 : 3512 cu.in.
2640     2640 ALL Line information Last recorded SP


 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 09:24:26utc 13-Jul-2002