ACQUISITION REPORT Sequence-0174
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2240A174
  Preplot G01A2240
  Direction 18.0°
  SOL Date 01:21:29utc 04-Jan-2002
  EOL Date 05:47:23utc 04-Jan-2002
 Attributes:  
   Wind Force 8.0 [knots] Dir SW
   Swell Height 1.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 50.0 38.0 [meters]
   Bottomspeed  4.9 4.7 [knots]
   Featherangle port -2.9 port -2.2 [deg]
   Cable noise 5.9 6.25 [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)   1473 - 1474  
   SOL Dummy Record(s) 1475 - 1504 1475 - 1504 01:17:50 - 01:21:22
   FSP Start of Line 1505 1505 01:21:29
   MSP      
   LSP End of Line 3570 3570 05:47:23
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3571 - 3572  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1505 - 3570 1505 - 3570 01:21:29-05:47:23 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 1015mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1473 - 1902 1473 - 1902 2 720  
  1903 - 2332 1903 - 2332 1 721  
  2333 - 2762 2333 - 2762 2 722  
  2763 - 3192 2763 - 3192 1 723  
  3193 - 3572 3193 - 3572 2 724  
Stream 2
   Shot(s) Files Deck Reel Remark
  1473 - 1902 1473 - 1902 4 720  
  1903 - 2332 1903 - 2332 3 721  
  2333 - 2762 2333 - 2762 4 722  
  2763 - 3192 2763 - 3192 3 723  
  3193 - 3572 3193 - 3572 4 724  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1853 Killed Traces  
ALL     ALL 1657, 2307, 2731, 1255 Spiking Trace(s)  
ALL     ALL 2871, 1255 Noisy Trace(s)  
1691-1705     1691-1705 83-113 Monowing wash Low frequency, high amplitude noise due to monowing wash
3279     3279 2577-2944 Earth Leakage Low Level Earth Leakage Seen on Streamer 8
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034   Crossfeed Fails
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1occasional deep 7.8-8.1m
ALL     ALL 1-9, 12, 369-374, 376-377, 737-742, 744-745, 748, 1105-1113, 1473, 2209-2220, 2223, 2577, 2585, 2587-2588 Slope alarm > 5% of total line
1505-1511     1505-1511 99-115 Bird depth out of spec Bird C1-6
1684-1704     1684-1704 123-139 Bird depth out of spec Bird C1-7
1695-1701     1695-1701 99-115 Bird depth out of spec Bird C1-6
1705-1710     1705-1710 99-115 Bird depth out of spec Bird C1-6
3171     3171 ALL Gun timing error Gun 1-2 error (ms) : -1.6
Comment
Shot(s)     File(s) Trace(s) Type Remark
2381     2381 ALL   Array 2 @ 1962 psi (drop test) no airleak.


 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 10:46:27utc 04-Jan-2002