ACQUISITION REPORT Sequence-0359
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4176A359
  Preplot G01A4176
  Direction 198.0°
  SOL Date 16:01:19utc 12-Apr-2002
  EOL Date 22:21:26utc 12-Apr-2002
 Attributes:  
   Wind Force 0.0 [knots] $(wind_dir)
   Swell Height 0.0 [meters] $(swell_dir)
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 46.0 73.0 [meters]
   Bottomspeed  5.0 4.2 [knots]
   Featherangle port -1.4 sb +7.1 [deg]
   Cable noise 4.2 7.2 [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)   4192 - 4191  
   SOL Dummy Record(s) 4190 - 4181 4190 - 4181 16:00:07 - 16:01:12
   FSP Start of Line 4180 4180 16:01:19
   MSP      
   LSP End of Line 1482 1482 22:21:26
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1481 - 1481  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4180 - 1482 4180 - 1482 16:01:19-22:21:26 Prime 14 Valid STR 1 NTBP
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC ### STREAMER 1 - TRCS 1-368 - NTBP D/T POWER SUPPLY FAILURE INSIDE STREAMER ###. Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1021mB. 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
  4192 - 3763 4192 - 3763 1 1505  
  3762 - 3333 3762 - 3333 2 1506  
  3332 - 2903 3332 - 2903 1 1507  
  2902 - 2473 2902 - 2473 2 1508  
  2472 - 2043 2472 - 2043 1 1509  
  2042 - 1613 2042 - 1613 2 1510  
  1612 - 1482 1612 - 1482 1 1511  
Stream 2
   Shot(s) Files Deck Reel Remark
  4192 - 3763 4192 - 3763 3 1505  
  3762 - 3333 3762 - 3333 4 1506  
  3332 - 2903 3332 - 2903 3 1507  
  2902 - 2473 2902 - 2473 4 1508  
  2472 - 2043 2472 - 2043 3 1509  
  2042 - 1613 2042 - 1613 4 1510  
  1612 - 1482 1612 - 1482 3 1511  

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)  
ALL     ALL 1-368 Sreamer Power Streamer 1 unable to initialize
3862-3818     3862-3818 2259-2275 Streamer depth Bird C7-4 max depth 10.3m
3862-3840     3862-3840 2283-2299 Streamer depth Bird C7-5 max depth 11.1m
3853-3833     3853-3833 2307-2323 Streamer depth Bird C7-6 max depth 10.3m
3800-1483     3800-1483 2865-2866 Noisy Trace(s)  
1960-1953     1960-1953 419-435 Bird depth out of spec Bird C2-4 max depth 9.6m
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 369-385, 387-390, 392-393, 405, 737-765, 767-770, 1105-1117, 1119-1138, 1144, 1147, 1473-1485, 1487, 1489, 1841-1857, 1860-1864, 1867, 1873, 2209-2226, 2229-2232, 2577, 2584-2589, 2591, 2602 Slope alarm > 5% of total line
3800-2900     3800-2900 ALL Rig Bounce Strong reflections seen from nearby platforms
2400     2400 ALL Swell Noise Occ swell noise seen approx 5%
2185-2171     2185-2171 NONE Bird depth out of spec Bird C5-15 max depth 8.5m
2185-2170     2185-2170 NONE Bird depth out of spec Bird C8-5 max depth 8.8m
1957-1944     1957-1944 NONE Bird depth out of spec Bird C2-5 max depth 8.5m
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 19:17:32utc 15-Apr-2002