ACQUISITION REPORT Sequence-0299
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1808J299
  Preplot G01A1808
  Direction 198.0°
  SOL Date 21:37:35utc 03-Mar-2002
  EOL Date 00:51:49utc 04-Mar-2002
 Attributes:  
   Wind Force 0.0 [knots] $(wind_dir)
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 35.9 39.0 [meters]
   Bottomspeed  4.4 4.4 [knots]
   Featherangle port -4.2 0.0 [deg]
   Cable noise 3.6 28.0 [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)   3034 - 3033  
   SOL Dummy Record(s) 3032 - 3003 3032 - 3003 21:33:27 - 21:37:27
   FSP Start of Line 3002 3002 21:37:35
   MSP 2022 2022 23:59:51
   LSP End of Line 1685 1685 00:51:49
   EOL Dummy Record(s)      
   EOL Noise Record(s)   998 - 997  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3002 - 1685 3002 - 1685 21:37:35-00:51:49 Infill 16 Valid  
 Remarks:      
   Navigation      
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1027mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3034 - 2605 3034 - 2605 2 1221  
  2604 - 2175 2604 - 2175 1 1222  
  2174 - 1745 2174 - 1745 2 1223  
  1744 - 997 1744 - 997 1 1224  
Stream 2
   Shot(s) Files Deck Reel Remark
  3034 - 2605 3034 - 2605 4 1221  
  2604 - 2175 2604 - 2175 3 1222  
  2174 - 1745 2174 - 1745 4 1223  
  1744 - 997 1744 - 997 3 1224  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476, 1633 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 109, 1657, 2307, 2772 Spiking Trace(s)  
ALL     ALL 1495 Noisy Trace(s)  
ALL     ALL- 2599 Killed traces  
2651-2175     2651-2175 75-283 Monowing wash Low frequency, high amplitude noise due to monowing wash
2590-2125     2590-2125 443-651 Monowing wash Low frequency, high amplitude noise due to monowing wash
1961-1951     1961-1951 51-67 Bird depth out of spec Bird C1-4
1956-1945     1956-1945 419-435 Bird depth out of spec Bird C2-4
1944-1926     1944-1926 51-67 Bird depth out of spec Bird C1-4
1944-1908     1944-1908 443-459 Bird depth out of spec Bird C2-5
1930-1847     1930-1847 467-483 Bird depth out of spec Bird C2-6
1918-1900     1918-1900 51-67 Bird depth out of spec Bird C1-4
1910-1902     1910-1902 491-507 Bird depth out of spec Bird C2-7
1902-1896     1902-1896 419-435 Bird depth out of spec Bird C2-4
1890-1858     1890-1858 443-459 Bird depth out of spec Bird C2-5
1879-1870     1879-1870 491-507 Bird depth out of spec Bird C2-7
1720-1685     1720-1685 1-90 Streamer noise Low frequency noise dt turn for rig
1720-1685     1720-1685 369-459 Streamer noise Low frequency noise dt turn for rig
1720-1685     1720-1685 737-827 Streamer noise Low frequency noise dt turn for rig
1720-1685     1720-1685 1105-1195 Streamer noise Low frequency noise dt turn for rig
1720-1685     1720-1685 1473-1563 Streamer noise Low frequency noise dt turn for rig
1720-1685     1720-1685 1841-1931 Streamer noise Low frequency noise dt turn for rig
1720-1685     1720-1685 2209-2299 Streamer noise Low frequency noise dt turn for rig
1720-1685     1720-1685 2577-2667 Streamer noise Low frequency noise dt turn for rig
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1, occasionally deep 8.1m - 8.3m
1937-1925     1937-1925 75-91 Bird depth out of spec Bird C1-5
1901-1880     1901-1880 491-507 Bird depth out of spec Bird C2-7
1740     1740 ALL Noisy Trace(s) Turn Noise affecting front of all streamers
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 01:21:03utc 04-Mar-2002