ACQUISITION REPORT Sequence-0362
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4368A362
  Preplot G01A4368
  Direction 18.0°
  SOL Date 11:17:39utc 15-Apr-2002
  EOL Date 17:52:51utc 15-Apr-2002
 Attributes:  
   Wind Force 19.0 [knots] Dir NE
   Swell Height 2.0 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 96.0 45.0 [meters]
   Bottomspeed  4.22 3.9 [knots]
   Featherangle sb +11.6 port -3.5 [deg]
   Cable noise 8.33 6.3 [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)   1668 - 1669  
   SOL Dummy Record(s) 1670 - 1679 1670 - 1679 11:16:12 - 11:17:30
   FSP Start of Line 1680 1680 11:17:39
   MSP      
   LSP End of Line 4308 4308 17:52:51
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4309 - 4310  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1680 - 4308 1680 - 4308 11:17:39-17:52:51 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 1026mB. 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
  1668 - 2097 1668 - 2097 1 1525  
  2098 - 2527 2098 - 2527 2 1526  
  2528 - 2957 2528 - 2957 1 1527  
  2958 - 3387 2958 - 3387 2 1528  
  3388 - 3817 3388 - 3817 1 1529  
  3818 - 4247 3818 - 4247 1 1530  
  4248 - 4310 4248 - 4310 1 1531  
Stream 2
   Shot(s) Files Deck Reel Remark
  1668 - 2097 1668 - 2097 3 1525  
  2098 - 2527 2098 - 2527 4 1526  
  2528 - 2957 2528 - 2957 3 1527  
  2958 - 3387 2958 - 3387 4 1528  
  3388 - 3817 3388 - 3817 3 1529  
  3818 - 4247 3818 - 4247 4 1530  
  4248 - 4310 4248 - 4310 3 1531  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 2265, 1801, 1553, 11 Spiking Trace(s)  
ALL     ALL 1159, 2871 Noisy Trace(s)  
ALL     ALL- 744 Killed traces  
2011-2020     2011-2020 2283-2299 Streamer depth Streamer depth out of spec, Bird C7-5 9.2 m.
2641-2652     2641-2652 2259-2279 Streamer depth Streamer depth out of spec, Bird C7-4 9.5 m.
2643-2651     2643-2651 2280-2299 Streamer depth Streamer depth out of spec, Bird C7-5 9.5 m.
2834-2896     2834-2896 2675-2691 Streamer depth Streamer depth out of spec, Bird 8-6 max 9.5 m.
2848-2871     2848-2871 2627-2643 Streamer depth Streamer depth out of spec, Bird 8-4 max 10.3 m.
2863-2874     2863-2874 2259-2279 Streamer depth Streamer depth out of spec, Bird 7-4 max 9.9 m.
2864-2886     2864-2886 2280-2299 Streamer depth Streamer depth out of spec, Bird 7-5 max 10 m.
2868-2899     2868-2899 2300-2323 Streamer depth Streamer depth out of spec, Bird 7-6 max 9.5 m.
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE Bad birds Bird 8-10 no comms. Bird 1-2 intermittent comms
ALL     ALL ALL Swell Noise Swell noise seen throughout line approx 10%
ALL     ALL 1-14, 16-17, 20, 22, 369-383, 389-390, 393, 405, 1105-1113, 1115, 1122-1123, 1125-1126, 1130-1135, 1473, 1481, 1484, 1489, 1841-1857, 1860-1861, 1864, 1867, 1873, 2209-2226, 2229-2232, 2239, 2577, 2585-2588, 2602 Slope alarm > 5% of total line
1758     1758 NONE Streamer depth Streamer depth out of spec, Bird C8-4 4.8 m.
1760     1760 NONE Streamer depth Streamer depth out of spec, Bird C8-4 4.8 m.
1763     1763 NONE Streamer depth Streamer depth out of spec, Bird C8-4 4.8 m.
1899-1904     1899-1904 NONE Streamer depth Streamer depth out of spec, Bird C7-4 9.5 m.
1903-1904     1903-1904 NONE Streamer depth Streamer depth out of spec, Bird C7-5 9.2 m.
1906-1910     1906-1910 NONE Streamer depth Streamer depth out of spec, Bird C7-4 9.5 m.
1992-1995     1992-1995 NONE Streamer depth Streamer depth out of spec, Bird C8-4 9.2 m.
1994     1994 NONE Streamer depth Streamer depth out of spec, Bird C8-5 9.5 m.
1997-1998     1997-1998 NONE Streamer depth Streamer depth out of spec, Bird C8-5 9.5 m.
2008     2008 NONE Streamer depth Streamer depth out of spec, Bird C7-5 9.2 m.
2510-2700     2510-2700 ALL Streamer noise Low frequency noise dt turning for close rig pass
2544-2547     2544-2547 NONE Streamer depth Streamer depth out of spec, Bird C7-4 9.5 m.
2872-2904     2872-2904 NONE Streamer depth Streamer depth out of spec, Bird 7-7 max 9.0 m.
3799-3800     3799-3800 NONE Streamer depth Streamer depth out of spec, Bird 8-4 max 9.4 m.
4306-4308     4306-4308 NONE Streamer depth Streamer depth out of spec, Bird 8-5 max 9.7 m.
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 19:18:32utc 15-Apr-2002