ACQUISITION REPORT Sequence-0337
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4912A337
  Preplot G01A4912
  Direction 198.0°
  SOL Date 08:19:19utc 01-Apr-2002
  EOL Date 13:42:45utc 01-Apr-2002
 Attributes:  
   Wind Force 15.0 [knots] Dir ENE
   Swell Height 1.5 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 91 [avg]  
       
  SOL EOL  
   Waterdepth 79.0 275.0 [meters]
   Bottomspeed  4.8 4.51 [knots]
   Featherangle sb +11.1 port -6.1 [deg]
   Cable noise 5.01 8.6 [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)   4223 - 4222  
   SOL Dummy Record(s) 4221 - 4212 4221 - 4212 08:18:03 - 08:19:11
   FSP Start of Line 4211 4211 08:19:19
   MSP      
   LSP End of Line 1779 1779 13:42:45
   EOL Dummy Record(s) 1766 - 1760 1766 - 1760 13:44:32 - 13:45:21
   EOL Noise Record(s)   1759 - 1759  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4211 - 3033 4211 - 3033 08:19:19-10:50:11 Prime 16 Valid  
    3032 - 2341 3032 -   10:50:19-  Prime 0 Scratched  
    2340 - 1779 2340 - 1779 12:28:16-13:42:45 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC ## 3022-2341 no data recorded due to streamer data parity errors. Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1013mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP. Record numbers 1778-1760 dummy files, File 1759 noise record    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  4223 - 3794 4223 - 3794 1 1392  
  3793 - 3364 3793 - 3364 1 1393  
  3363 - 3023 3363 - 3023 2 1394  
  2340 - 1911 2340 - 1911 2 1395  
  1910 - 1759 1910 - 1759 1 1396 Record numbers 1778-1760 dummy files, File 1759 noise record
Stream 2
   Shot(s) Files Deck Reel Remark
  4223 - 3794 4223 - 3794 3 1392  
  3793 - 3364 3793 - 3364 4 1393  
  3363 - 3023 3363 - 3023 3 1394  
  2340 - 1911 2340 - 1911 4 1395  
  1910 - 1759 1910 - 1759 3 1396 Record numbers 1778-1760 dummy files, File 1759 noise record

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2265, 343, 345 Spiking Trace(s)  
ALL     ALL 1159, 344 Noisy Trace(s)  
3821     3821 1841-2208 Parity errors Cable 6, command line parity errors
3750     3750 1841-2208 Parity error Cable 6, command line parity errors
3582     3582 1841-2208 Streamer Earth Leakage leakage spike
3421     3421 1841-2208 Seismic data parity errors  
3411-3410     3411-3410 1841-2208 Streamer Earth Leakage  
3193     3193 1841-2208 Parity error Command Line
3187     3187 1841-2208 Streamer Earth Leakage leakage spike
3032-2341     3032- ALL Parity errors No data recorded
1830     1830 1841-2208 Seismic data parity errors Possible bubble fault
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL ALL Swell Noise Swell noise seen on all cables approx 5%
4015-3998     4015-3998 NONE Bird depth out of spec Bird C7-4
4013-3970     4013-3970 NONE Bird depth out of spec Bird C2-13
3998     3998 NONE Gun timing error Gun 5-4 error (ms) : 1.1
3990     3990 NONE Gun timing error Gun 5-4 error (ms) : 1.1
3986     3986 NONE Gun timing error Gun 5-4 error (ms) : 1.3
3950     3950 NONE Gun timing error Gun 5-4 error (ms) : 1.4
3943-3919     3943-3919 NONE Bird depth out of spec Bird C2-13
3924-3904     3924-3904 NONE Bird depth out of spec Bird C7-4
3882-3872     3882-3872 NONE Bird depth out of spec Bird C2-13
3854     3854 NONE Gun timing error Gun 5-4 error (ms) : 1.2
3790-3743     3790-3743 NONE Bird depth out of spec Bird C7-4
3731-3713     3731-3713 NONE Bird depth out of spec Bird C5-14
3728     3728 NONE Gun timing error Gun 5-4 error (ms) : 1.1
3664     3664 NONE Gun timing error Gun 5-4 error (ms) : 1.3
3491-3477     3491-3477 NONE Bird depth out of spec Bird C2-13
3482     3482 NONE Gun timing error Gun 5-4 error (ms) : 1.1
3475-3460     3475-3460 NONE Bird depth out of spec Bird C2-13
3407-3397     3407-3397 NONE Bird depth out of spec Bird C1-4
3376     3376 NONE Gun timing error Gun 5-4 error (ms) : 1.1
3297-3282     3297-3282 NONE Bird depth out of spec Bird C1-4
3290-3273     3290-3273 NONE Bird depth out of spec Bird C1-5
2338-2314     2338-2314 NONE Bird depth out of spec Bird C2-13
2217-2193     2217-2193 NONE Bird depth out of spec Bird C2-13
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 19:37:23utc 01-Apr-2002