ACQUISITION REPORT Sequence-0348
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4656A348
  Preplot G01A4656
  Direction 18.0°
  SOL Date 15:38:48utc 08-Apr-2002
  EOL Date 21:51:12utc 08-Apr-2002
 Attributes:  
   Wind Force 20.0 [knots] Dir NE
   Swell Height 2.0 [meters] Dir NE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 251.0 61.0 [meters]
   Bottomspeed  4.2 3.9 [knots]
   Featherangle sb +5.4 port -4.7 [deg]
   Cable noise 10.0 5.5 [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)   1784 - 1785  
   SOL Dummy Record(s) 1786 - 1795 1786 - 1795 15:37:24 - 15:38:40
   FSP Start of Line 1796 1796 15:38:48
   MSP      
   LSP End of Line 4320 4320 21:51:12
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4321 - 4322  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1796 - 4078 1796 - 4078 15:38:48-21:14:08 Prime 16 Valid  
    4079 - 4107 4079 - 4107 21:14:17-21:18:36 Prime 0 Scratched All data scratch d/t subarray 3 front cluster bad
    4108 - 4320 4108 - 4320 21:18:45-21:51:12 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1021mB, pressure now 1018mB. 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
  1784 - 2213 1784 - 2213 1 1431  
  2214 - 2643 2214 - 2643 1 1432  
  2644 - 3073 2644 - 3073 2 1433  
  3074 - 3503 3074 - 3503 1 1434  
  3504 - 3933 3504 - 3933 2 1435  
  3934 - 4322 3934 - 4322 1 1436  
Stream 2
   Shot(s) Files Deck Reel Remark
  1784 - 2213 1784 - 2213 3 1431  
  2214 - 2643 2214 - 2643 4 1432  
  2644 - 3073 2644 - 3073 3 1433  
  3074 - 3503 3074 - 3503 4 1434  
  3504 - 3933 3504 - 3933 3 1435  
  3934 - 4322 3934 - 4322 4 1436  

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 Spiking Trace(s)  
ALL     ALL 1159, 2871 Noisy Trace(s)  
2047-2263     2047-2263 2627-2643 Streamer depth Streamer depth out of spec, Bird 8-4 max 9.9 m.
2152-2175     2152-2175 2651-2691 Streamer depth Streamer depth out of spec, Birds 8-5, 8-6 max 10.6 m.
2185-2330     2185-2330 75-91 Streamer depth Streamer depth out of spec, Bird1-5 max 14.3 m.
2190-2236     2190-2236 51-67 Streamer depth Streamer depth out of spec, Bird1-4 max 10 m.
2197-2292     2197-2292 99-115 Streamer depth Streamer depth out of spec, Bird1-6 max 12 m.
2211-2289     2211-2289 123-139 Streamer depth Streamer depth out of spec, Bird1-7 max 10.6 m.
2553-2671     2553-2671 51-67 Streamer depth Streamer depth out of spec, Bird 1-4 max 12.8 m.
2596-2616     2596-2616 51-67 Streamer depth Streamer depth out of spec, Bird 1-4 max 9.9 m.
2599-2716     2599-2716 2627-2643 Streamer depth Streamer depth out of spec, Bird 8-4 max 10.6 m.
2630-2693     2630-2693 2675-2691 Streamer depth Streamer depth out of spec, Bird 8-6 max 9.8 m.
2804-2868     2804-2868 75-91 Streamer depth Streamer depth out of spec, Bird 1-5 max 9.6 m.
2837-2864     2837-2864 491-507 Streamer depth Streamer depth out of spec, Bird max 2-7 11.8 m.
2871-3113     2871-3113 2627-2643 Streamer depth Streamer depth out of spec, Bird max 8-4 12.3 m.
2874-2895     2874-2895 2651-2667 Streamer depth Streamer depth out of spec, Bird 8-5 max 10.8 m.
2882-2899     2882-2899 2675-2691 Streamer depth Streamer depth out of spec, Bird 8-6 max 10.3 m.
3029-3110     3029-3110 2651-2667 Streamer depth Streamer depth out of spec, Bird 8-5 max 10.8 m.
3032-3113     3032-3113 2675-2691 Streamer depth Streamer depth out of spec, Bird 8-6 max 11.1 m.
3356-3380     3356-3380 2651-2667 Streamer depth Streamer depth out of spec, Bird 8-5 max 9.2 m.
3483-3603     3483-3603 2627-2643 Streamer depth Streamer depth out of spec, Bird 8-4 max 9.7 m.
3506-3539     3506-3539 75-91 Streamer depth Streamer depth out of spec, Bird 1-5 max 10 m.
3579-3634     3579-3634 75-91 Streamer depth Streamer depth out of spec, Bird 1-5 max 9 m.
3598-3636     3598-3636 491-507 Streamer depth Streamer depth out of spec, Bird 2-7 11.2 m.
3728-3781     3728-3781 2627-2643 Streamer depth Streamer depth out of spec, Bird 8-4 max 10.4 m.
3728-3766     3728-3766 2651-2667 Streamer depth Streamer depth out of spec, Bird 8-5 max 9.3 m.
3938-3979     3938-3979 75-91 Streamer depth Streamer depth out of spec, Bird 1-5 max 11.7 m.
4079-4107     4079-4107 ALL Misfire Gun sub-array 3 front cluster bad - array rebooted online
4149-4162     4149-4162 2627-2643 Streamer depth Streamer depth out of spec, Bird 8-4 max 10.1 m.
4163-4201     4163-4201 75-91 Streamer depth Streamer depth out of spec, Bird 1-5 max 11.6 m.
4198-4214     4198-4214 2259-2275 Streamer depth Streamer depth out of spec, Bird 7-4 max 10.4 m.
4202-4220     4202-4220 2627-2643 Streamer depth Streamer depth out of spec, Bird 8-4 max 11.6 m.
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE Bad bird Bird 1-5 running deep throughout line average 8.7 mtrs
ALL     ALL NONE Bad bird Bird 6-18 running deep throughout line average 8.3 mtrs
ALL     ALL NONE Bad bird Bird 8-4occ running deep throughout line average 8.8 mtrs
ALL     ALL ALL Swell Noise Swell noise seen througout line approx 15-20%
ALL     ALL 1-17, 22, 369-383, 390, 405, 737-739, 741-753, 755-758, 760-761, 763-764, 1105-1106, 1109, 1112-1113, 1123, 1126, 1130-1135, 1489, 1841-1853, 1855-1856, 2209-2220, 2222-2226, 2229, 2232, 2577, 2585-2588, 2602 Slope alarm > 5% of total line
2148-2298     2148-2298 NONE Streamer depth Streamer depth out of spec, Bird 8-7 max 9.1 m.
2185-2203     2185-2203 NONE Streamer depth Streamer depth out of spec, Bird 1-3 max 9.3 m.
2210-2315     2210-2315 491-507 Streamer depth Streamer depth out of spec, Bird 2-7 10.2 m.
2232-2246     2232-2246 NONE Streamer depth Streamer depth out of spec, Bird 1-8 max 9.5 m.
4204-4222     4204-4222 2651-2667 Streamer depth Streamer depth out of spec, Bird 8-5 max 9.9 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 00:21:02utc 09-Apr-2002