ACQUISITION REPORT Sequence-0361
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4816A361
  Preplot G01A4816
  Direction 198.0°
  SOL Date 03:11:39utc 15-Apr-2002
  EOL Date 08:24:13utc 15-Apr-2002
 Attributes:  
   Wind Force 16.0 [knots] Dir E
   Swell Height 2.5 [meters] Dir ESE
   Propellor rpm 122 [avg]  
   Propellor pitch 86 [avg]  
       
  SOL EOL  
   Waterdepth 67.0 244.0 [meters]
   Bottomspeed  4.9 4.8 [knots]
   Featherangle sb +8.4 sb +0.7 [deg]
   Cable noise 7.65 8.8 [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
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)   4219 - 4218  
   SOL Dummy Record(s) 4217 - 4208 4217 - 4208 03:10:23 - 03:11:32
   FSP Start of Line 4207 4207 03:11:39
   MSP      
   LSP End of Line 1740 1740 08:24:13
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1739 - 1739  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4207 - 1740 4207 - 1740 03:11:39-08:24:13 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m.    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1031mB. 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
  4219 - 3790 4219 - 3790 1 1519  
  3789 - 3360 3789 - 3360 2 1520  
  3359 - 2930 3359 - 2930 2 1521  
  2929 - 2500 2929 - 2500 1 1522  
  2499 - 2070 2499 - 2070 1 1523  
  2069 - 1739 2069 - 1739 2 1524  
Stream 2
   Shot(s) Files Deck Reel Remark
  4219 - 3790 4219 - 3790 3 1519  
  3789 - 3360 3789 - 3360 4 1520  
  3359 - 2930 3359 - 2930 3 1521  
  2929 - 2500 2929 - 2500 4 1522  
  2499 - 2070 2499 - 2070 3 1523  
  2069 - 1739 2069 - 1739 4 1524  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 744 Killed traces  
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)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
3708     3708 ALL Swell Noise Swell noise increasing slightly on all cables
3525     3525 NONE Gun timing error Gun 1-2 error (ms) : -1.8
3215     3215 NONE Gun timing error Gun 1-2 error (ms) : -1.8
2623-2595     2623-2595 NONE Bird depth out of spec Bird C7-9
2305-1950     2305-1950 ALL Swell Noise Swell noise
2160-2148     2160-2148 NONE Bird depth out of spec Bird C1-3
2160-2144     2160-2144 NONE Bird depth out of spec Bird C2-3
2156-2153     2156-2153 51-67 Streamer depth Streamer depth out of spec, Bird C1-4 9.3 m.
2155-2153     2155-2153 419-435 Streamer depth Streamer depth out of spec, Bird C2-4 9.2 m.
2150     2150 419-435 Streamer depth Streamer depth out of spec, Bird C2-4 9.1 m.
2148-2137     2148-2137 NONE Bird depth out of spec Bird C2-5
2047-2034     2047-2034 NONE Bird depth out of spec Bird C2-4
2037-2036     2037-2036 51-67 Streamer depth Streamer depth out of spec, Bird C1-4 9.3 m.
2014-1997     2014-1997 NONE Bird depth out of spec Bird C1-4
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 08:44:55utc 15-Apr-2002