ACQUISITION REPORT Sequence-0306
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4192A306
  Preplot G01A4192
  Direction 198.0°
  SOL Date 19:41:40utc 08-Mar-2002
  EOL Date 01:35:08utc 09-Mar-2002
 Attributes:  
   Wind Force 5.0 [knots] Dir SSE
   Swell Height 1.5 [meters] Dir SSE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 46.5 72.0 [meters]
   Bottomspeed  4.7 4.4 [knots]
   Featherangle sb +5.0 port -5.0 [deg]
   Cable noise 4.5 6.8 [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)   4213 - 4212  
   SOL Dummy Record(s) 4211 - 4182 4211 - 4182 19:37:44 - 19:41:32
   FSP Start of Line 4181 4181 19:41:40
   MSP 2207 2207 23:59:52
   LSP End of Line 1489 1489 01:35:08
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1488 - 1487  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4181 - 1489 4181 - 1489 19:41:40-01:35:08 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, 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
  4213 - 3784 4213 - 3784 1 1243  
  3783 - 3354 3783 - 3354 2 1244  
  3353 - 2924 3353 - 2924 1 1245  
  2923 - 2494 2923 - 2494 2 1246  
  2493 - 2064 2493 - 2064 1 1247  
  2063 - 1634 2063 - 1634 2 1248  
  1633 - 1488 1633 - 1488 2 1249  
Stream 2
   Shot(s) Files Deck Reel Remark
  4213 - 3784 4213 - 3784 3 1243  
  3783 - 3354 3783 - 3354 4 1244  
  3353 - 2924 3353 - 2924 3 1245  
  2923 - 2494 2923 - 2494 4 1246  
  2493 - 2064 2493 - 2064 3 1247  
  2063 - 1634 2063 - 1634 4 1248  
  1633 - 1488 1633 - 1488 3 1249  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476, 1633 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1657, 2772 Spiking Trace(s)  
ALL     ALL- 2599 Killed traces  
3770     3770 ALL Gun timing error Gun 5-1 error (ms) : -2.4
2112-2096     2112-2096 51-67 Bird depth out of spec Bird C1-4
2105-2082     2105-2082 75-91 Bird depth out of spec Bird C1-5
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1, occasionally deep 8.1m - 8.3m
ALL     ALL 1-17, 20, 22, 369-385, 388-390, 737-761, 763-764, 769, 1105-1116, 1121-1126, 1128-1135, 1473-1474, 1477-1489, 1841-1858, 1860-1867, 1873, 2209-2226, 2229-2232, 2577-2593, 2601-2602 Slope alarm > 5% of total line
3066     3066 ALL Gun timing error Gun 5-1 error (ms) : 1.9
3004     3004 ALL Gun timing error Gun 5-1 error (ms) : -1.6
2980     2980 ALL Gun timing error Gun 5-1 error (ms) : 1.7
2369     2369 ALL Gun timing error Gun 1-2 error (ms) : -1.8
2262     2262 ALL Gun timing error Gun 5-2 error (ms) : -1.6
2098-2086     2098-2086 443-459 Bird depth out of spec Bird C2-5
2094-2082     2094-2082 99-115 Bird depth out of spec Bird C1-6
2089-2077     2089-2077 467-483 Bird depth out of spec Bird C2-6
2081-2070     2081-2070 75-91 Bird depth out of spec Bird C1-5
2074-2060     2074-2060 515-531 Bird depth out of spec Bird C2-8
2043-2026     2043-2026 515-531 Bird depth out of spec Bird C2-8
2040-2028     2040-2028 539-555 Bird depth out of spec Bird C2-9
1971-1959     1971-1959 75-91 Bird depth out of spec Bird C1-5
1971-1961     1971-1961 419-435 Bird depth out of spec Bird C2-4
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 01:58:48utc 09-Mar-2002