ACQUISITION REPORT Sequence-0292
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1792A292
  Preplot G01A1792
  Direction 18.0°
  SOL Date 04:19:17utc 20-Feb-2002
  EOL Date 08:57:12utc 20-Feb-2002
 Attributes:  
   Wind Force 30.0 [knots] Dir NE
   Swell Height 2.0 [meters] Dir E
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 43.0 35.0 [meters]
   Bottomspeed  3.9 4.9 [knots]
   Featherangle port -5.5 sb +0.8 [deg]
   Cable noise 6.1 10.4 [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)   1073 - 1074  
   SOL Dummy Record(s) -1 - 1104 9999 - 1104 01:43:39 - 04:19:07
   FSP Start of Line 1105 1105 04:19:17
   MSP      
   LSP End of Line 3106 3106 08:57:12
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3107 - 3108  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1105 - 3106 1105 - 3106 04:19:17-08:57:12 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m. NAVRT External Header Block defines Job No. 9170B    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1000mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1073 - 1502 1073 - 1502 2 1182  
  1503 - 1932 1503 - 1932 1 1183  
  1933 - 2362 1933 - 2362 2 1184  
  2363 - 2792 2363 - 2792 1 1185  
  2793 - 3108 2793 - 3108 2 1186  
Stream 2
   Shot(s) Files Deck Reel Remark
  1073 - 1502 1073 - 1502 3 1182  
  1503 - 1932 1503 - 1932 4 1183  
  1933 - 2362 1933 - 2362 3 1184  
  2363 - 2792 2363 - 2792 4 1185  
  2793 - 3108 2793 - 3108 3 1186  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 2641 Killed traces  
ALL     ALL 1476, 1633 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 109, 1657 Spiking Trace(s)  
ALL     ALL 1495 Noisy Trace(s)  
1315-1325     1315-1325 2639-2707 Monowing wash Low frequency, high amplitude noise due to monowing wash
1341-1356     1341-1356 2627-2675 Monowing wash Low frequency, high amplitude noise due to monowing wash
1400-1404     1400-1404 2283-2299 Bird depth out of spec Bird C7-5, max depth 9.2m
1401-1414     1401-1414 2651-2667 Bird depth out of spec Bird C8-5, max depth 9.7m
1899     1899 ALL External header lost  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Crossfeed Fail crossfeed test
ALL     ALL 1-7, 9, 12, 369-373, 377, 737-739, 741, 744-745, 748, 1105-1109, 1112, 1473, 1841-1850, 1852, 1855, 2209-2220, 2222-2224, 2577, 2585-2588, 2591, 2602 Slope alarm > 5% of total line
1323-1338     1323-1338 2651-2667 Bird depth out of spec Bird C8-5
1340-1356     1340-1356 2675-2691 Bird depth out of spec Bird C8-6
1353-1367     1353-1367 2651-2667 Bird depth out of spec Bird C8-5
1413-1430     1413-1430 2675-2691 Bird depth out of spec Bird C8-6
1415-1427     1415-1427 2651-2667 Bird depth out of spec Bird C8-5
1444-1462     1444-1462 2675-2691 Bird depth out of spec Bird C8-6
1764     1764 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2332     2332 ALL Gun timing error Gun 5-4 error (ms) : -1.2
2416     2416 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2752     2752 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2862     2862 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2916     2916 ALL Gun timing error Gun 5-4 error (ms) : -1.2
3012     3012 ALL Gun timing error Gun 5-4 error (ms) : -1.1
3048     3048 ALL Gun timing error Gun 5-4 error (ms) : -1.3
3082     3082 ALL Gun timing error Gun 5-4 error (ms) : -1.1
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 16:24:02utc 24-Feb-2002