ACQUISITION REPORT Sequence-0386
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4432B386
  Preplot G01A4432
  Direction 18.0°
  SOL Date 08:40:14utc 29-Apr-2002
  EOL Date 12:29:49utc 29-Apr-2002
 Attributes:  
   Wind Force 18.0 [knots] Dir NE
   Swell Height 1.5 [meters] Dir NE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 83.0 51.0 [meters]
   Bottomspeed  3.8 3.9 [knots]
   Featherangle sb +2.2 port -0.9 [deg]
   Cable noise 9.07 6.51 [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)   2889 - 2890  
   SOL Dummy Record(s) 2871 - 2890 2871 - 2890 08:37:02 - 08:40:04
   FSP Start of Line 2891 2891 08:40:14
   MSP      
   LSP End of Line 4311 4311 12:29:49
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4322 - 4323  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2891 - 4311 2891 - 4311 08:40:14-12:29:49 Reshoot 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m.    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1036mB, pressure now 10xxmB. 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
  2889 - 3298 2889 - 3298 1 1644  
  3299 - 3728 3299 - 3728 2 1645  
  3729 - 4158 3729 - 4158 1 1646  
  4159 - 4323 4159 - 4323 2 1647  
Stream 2
   Shot(s) Files Deck Reel Remark
  2889 - 3298 2889 - 3298 3 1644  
  3299 - 3728 3299 - 3728 4 1645  
  3729 - 4158 3729 - 4158 3 1646  
  4159 - 4323 4159 - 4323 4 1647  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476, 1633, 2782 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1553, 2265, 2764 Spiking Trace(s)  
ALL     ALL 1857, 2827, 2871 Noisy Trace(s)  
ALL     ALL 744 Killed traces  
3388-3394     3388-3394 2283-2299 Bird depth out of spec Bird C7-5 max depth 9.2m
3461-3473     3461-3473 2627-2643 Bird depth out of spec Bird C8-4 max depth 10.0m
3602     3602 ALL Gun timing error Gun 5-2 error (ms) : -2.2
3641-3666     3641-3666 2059-2075 Bird depth out of spec Bird C6-11, max depth 11.4
4086-4094     4086-4094 2283-2299 Bird depth out of spec Bird C7-5, max depth 9.5m
4092-4099     4092-4099 2307-2323 Bird depth out of spec Bird C7-6, max depth 8.4m
4094-4101     4094-4101 2259-2275 Bird depth out of spec Bird C7-4, max depth 9.6m
4096-4101     4096-4101 2283-2299 Bird depth out of spec Bird C7-5, max depth 9.5m
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-14, 16-17, 20, 22, 369-384, 389-390, 405, 1105-1113, 1115-1116, 1122-1123, 1125-1126, 1130, 1135, 1473, 1481, 1484, 1489, 1841-1857, 1860, 1864, 2209-2226, 2229-2232, 2577, 2584-2589, 2591, 2602 Slope alarm > 5% of total line
2890-2899     2890-2899 2651-2667 Bird depth out of spec Bird C8-5
2983-2993     2983-2993 27-43 Bird depth out of spec Bird C1-3
3395-3409     3395-3409 2283-2299 Bird depth out of spec Bird C7-5
3457-3474     3457-3474 2259-2275 Bird depth out of spec Bird C7-4
3465-3495     3465-3495 2675-2691 Bird depth out of spec Bird C8-6
3474-3484     3474-3484 2627-2643 Bird depth out of spec Bird C8-4
3474-3488     3474-3488 2651-2667 Bird depth out of spec Bird C8-5
3484-3501     3484-3501 2235-2251 Bird depth out of spec Bird C7-3
3605-3640     3605-3640 2059-2075 Bird depth out of spec Bird C6-11
3612     3612 ALL Gun timing error Gun 5-2 error (ms) : -1.8
3642-3656     3642-3656 20833-2099 Bird depth out of spec Bird C6-12
3646     3646 ALL Gun timing error Gun 6-4 error (ms) : 1.2
3721-3737     3721-3737 2059-2075 Bird depth out of spec Bird C6-11
3776     3776 ALL Gun timing error Gun 6-4 error (ms) : 1.2
3778     3778 ALL Gun timing error Gun 6-4 error (ms) : 1.3
3780     3780 ALL Gun timing error Gun 6-4 error (ms) : 1.4
4079-4093     4079-4093 2259-2275 Bird depth out of spec Bird C7-4
4079-4092     4079-4092 2651-2667 Bird depth out of spec Bird C8-5
4203-4213     4203-4213 2627-2643 Bird depth out of spec Bird C8-4
4220-4278     4220-4278 156-269 Streamer noise Object moving down Strm 1
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 18:15:20utc 29-Apr-2002