ACQUISITION REPORT Sequence-0364
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4464A364
  Preplot G01A4464
  Direction 18.0°
  SOL Date 05:47:36utc 16-Apr-2002
  EOL Date 12:21:30utc 16-Apr-2002
 Attributes:  
   Wind Force 16.0 [knots] Dir SE
   Swell Height 2.0 [meters] Dir E
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 116.0 53.0 [meters]
   Bottomspeed  3.8 3.9 [knots]
   Featherangle port -0.3 port -0.2 [deg]
   Cable noise 4.97 4.92 [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
0 STBD -345.0 25.0 -6.0 0.0 0 0
0 STBD -345.0 -25.0 -6.0 0.0 0 0

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)   1706 - 1707  
   SOL Dummy Record(s) 1708 - 1717 1708 - 1717 05:46:02 - 05:47:27
   FSP Start of Line 1718 1718 05:47:36
   MSP      
   LSP End of Line 4312 4312 12:21:30
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4313 - 4314  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1718 - 4312 1718 - 4312 05:47:36-12:21:30 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m.    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1021mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1706 - 2135 1706 - 2135 1 1539  
  2136 - 2565 2136 - 2565 2 1540  
  2566 - 2995 2566 - 2995 1 1541  
  2996 - 3425 2996 - 3425 2 1542  
  3426 - 3855 3426 - 3855 1 1543  
  3856 - 4285 3856 - 4285 2 1544  
  4286 - 4314 4286 - 4314 1 1545  
Stream 2
   Shot(s) Files Deck Reel Remark
  1706 - 2135 1706 - 2135 3 1539  
  2136 - 2565 2136 - 2565 4 1540  
  2566 - 2995 2566 - 2995 3 1541  
  2996 - 3425 2996 - 3425 4 1542  
  3426 - 3855 3426 - 3855 3 1543  
  3856 - 4285 3856 - 4285 4 1544  
  4286 - 4314 4286 - 4314 3 1545  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 744 Killed traces  
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 2265, 1801, 1553 Spiking Trace(s)  
ALL     ALL 1159, 2871 Noisy Trace(s)  
2276-2282     2276-2282 2627-2643 Streamer depth Streamer depth out of spec, Bird C8-4 9.5 m.
2282-2300     2282-2300 2259-2275 Streamer depth Streamer depth out of spec, Bird C7-4 10.6 m.
2287-2301     2287-2301 2283-2299 Bird depth out of spec Streamer depth out of spec, Bird C7-5 9.8 m.
2375-2387     2375-2387 2259-2275 Bird depth out of spec Streamer depth out of spec,Bird C7-4 9.1 m.
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE Bad Birds Bird C8-10 No comms Bird C1-2 Intermittent comms
ALL     ALL NONE Bird Depth Bird C1-1 Intermittent shallow 5.8 mtrs
ALL     ALL 7-15 Occasional noisy traces Occ. low frequency noise around traces 7-15
1764-1765     1764-1765 ALL Seismic Interference From astern. Level 12 uBar.
2235     2235 NONE Bird depth out of spec Bird C2-9
2279-2280     2279-2280 2603-2619 Streamer depth Streamer depth out of spec, Bird C8-3 9.5 m.
2282-2284     2282-2284 2603-2619 Bird depth out of spec Streamer depth out of spec, Bird C8-3 9.3 m.
2284-2295     2284-2295 2243-2264 Monowing wash Low frequency, high amplitude noise due to monowing wash
2327-2337     2327-2337 NONE Bird depth out of spec Bird C7-5
2329     2329 2259-2275 Bird depth out of spec Streamer depth out of spec,Bird C7-4 9.1 m.
2338-2339     2338-2339 2283-2299 Bird depth out of spec Streamer depth out of spec,Bird C7-5 9.1
2361-2392     2361-2392 2240-2293 Monowing wash Low frequency, high amplitude noise due to monowing wash
2388-2401     2388-2401 NONE Bird depth out of spec Bird C7-4
3512-3522     3512-3522 NONE Bird depth out of spec Bird C1-5
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 12:39:17utc 16-Apr-2002