ACQUISITION REPORT Sequence-0219
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1184A219
  Preplot G01A1184
  Direction 18.0°
  SOL Date 07:55:30utc 22-Jan-2002
  EOL Date 11:08:57utc 22-Jan-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir SE
   Swell Height 1.5 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 99 [avg]  
       
  SOL EOL  
   Waterdepth 33.0 15.0 [meters]
   Bottomspeed  4.0 4.7 [knots]
   Featherangle port -2.6 port -4.9 [deg]
   Cable noise 6.3 6.5 [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)   1011 - 1012  
   SOL Dummy Record(s) 1013 - 1022 1013 - 1022 07:54:02 - 07:55:21
   FSP Start of Line 1023 1023 07:55:30
   MSP      
   LSP End of Line 2446 2446 11:08:57
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2447 - 2448  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1023 - 2446 1023 - 2446 07:55:30-11:08:57 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
  1011 - 1440 1011 - 1440 1 908  
  1441 - 1870 1441 - 1870 2 909  
  1871 - 2300 1871 - 2300 1 910  
  2301 - 2448 2301 - 2448 2 911  
Stream 2
   Shot(s) Files Deck Reel Remark
  1011 - 1440 1011 - 1440 3 908  
  1441 - 1870 1441 - 1870 4 909  
  1871 - 2300 1871 - 2300 3 910  
  2301 - 2448 2301 - 2448 4 911  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 1255 Killed traces  
ALL     ALL- 1853 Killed traces  
ALL     ALL 172 Noisy  
ALL     ALL 1657 Occ spiking  
1511     1511 ALL Gun timing error Gun 1-2 error (ms) : -2.4
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Fails Crossfeed  
ALL     ALL 1-20, 22-25, 369-392, 737-755, 757-759, 761, 763-764, 1105-1113, 1116, 1126, 1473-1475, 1477-1478, 1481-1482, 2209-2233, 2235-2237, 2239, 2577-2578, 2582, 2584-2593, 2601-2609, 2617 Slope alarm > 5% of total line
1053     1053 ALL Gun timing error Gun 3-4 error (ms) : 1.9
1069     1069 ALL Gun timing error Gun 3-4 error (ms) : 1.4
1079     1079 ALL Gun timing error Gun 3-4 error (ms) : 1.1
1088     1088 ALL Gun timing error Gun 5-1 error (ms) : -1.8
1101     1101 ALL Gun timing error Gun 3-4 error (ms) : 1.3
1127     1127 ALL Gun Timing Error Gun 3-4 error (ms) : 1.5
1151     1151 ALL Gun timing error Gun 3-4 error (ms) : 1.1
1191     1191 ALL Gun timing error Gun 3-4 error (ms) : 1.3
1202     1202 ALL Gun timing error Gun 5-4 error (ms) : -1.3
1208     1208 ALL Gun timing error Gun 5-4 error (ms) : -1.4
1248     1248 ALL Gun timing error Gun 5-4 error (ms) : -1.2
1255     1255 ALL Gun timing error Gun 3-4 error (ms) : 1.7
1330     1330 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1368     1368 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1419     1419 ALL Gun timing error Gun 3-4 error (ms) : 1.8
1420     1420 ALL Gun timing error Gun 5-4 error (ms) : -1.3
1455     1455 ALL Gun timing error Gun 3-4 error (ms) : 1.3
1460     1460 ALL Gun timing error Gun 5-4 error (ms) : -1.2
1514-1518     1514-1518 NONE Bird depth out of spec Bird C3-14 deep max 10.4 mtrs, non editable (not > 5 sp's)
1517     1517 ALL Gun timing error Gun 3-4 error (ms) : 1.1
1731     1731 ALL Gun timing error Gun 2-3 error (ms) : 1.1
1740     1740 ALL Gun timing error Gun 5-4 error (ms) : -1.2
1742     1742 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1785     1785 ALL Gun timing error Gun 2-3 error (ms) : 1.1
1873     1873 ALL Gun timing error Gun 2-3 error (ms) : 1.3
1978     1978 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2003     2003 ALL Gun timing error Gun 2-3 error (ms) : 1.3
2058     2058 ALL Gun timing error Gun 5-4 error (ms) : -1.5
2060     2060 ALL Gun timing error Gun 5-4 error (ms) : -1.4
2165     2165 ALL Gun timing error Gun 2-3 error (ms) : 1.2
2199     2199 ALL Gun timing error Gun 2-3 error (ms) : 1.1
2217     2217 ALL Gun timing error Gun 2-3 error (ms) : 1.5
2251     2251 ALL Gun timing error Gun 2-3 error (ms) : 1.1
2347-2358     2347-2358 NONE Bird depth out of spec Bird C8-3, 8-4 shallow, min 4.8 mtrs, non editable (not > 5sp's)
2432     2432 ALL Gun timing error Gun 5-4 error (ms) : -1.1
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE Bad Bird Bird 4-17 no comms
ALL     ALL ALL Swell Noise Swell noise seen on all cables approx 5-10%
ALL     ALL NONE Bad Comms Bird 4-15, 1-15, 1-16 intermittent comms
ALL     ALL ALL Mud Roll Heavy mud roll seen throughout line
2354     2354 ALL Bend Noise Slight front end noise seen unti eol d/t vsl moving offline dt shallows


 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 14:28:23utc 22-Jan-2002