ACQUISITION REPORT Sequence-0102
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3360A102
  Preplot G01A3360
  Direction 18.0°
  SOL Date 09:15:16utc 02-Dec-2001
  EOL Date 16:02:17utc 02-Dec-2001
 Attributes:  
   Wind Force 15.0 [knots] Dir ENE
   Swell Height 1.0 [meters] Dir ENE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 63.0 45.6 [meters]
   Bottomspeed  4.3 3.6 [knots]
   Featherangle port -2.6 port -7.3 [deg]
   Cable noise 6.31 6.4 [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)   1664 - 1665  
   SOL Dummy Record(s) 1666 - 1695 1666 - 1695 09:11:03 - 09:15:08
   FSP Start of Line 1696 1696 09:15:16
   MSP      
   LSP End of Line 4168 4168 16:02:17
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4169 - 4170  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1696 - 4168 1696 - 4168 09:15:16-16:02:17 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1015mB. Str 8 Bird 1 mask on External Header, occasionally deep, 8.1m.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1664 - 2093 1664 - 2093 1 414  
  2094 - 2523 2094 - 2523 1 415  
  2524 - 2953 2524 - 2953 2 416  
  2954 - 3383 2954 - 3383 1 417  
  3384 - 3813 3384 - 3813 1 418  
  3814 - 4170 3814 - 4170 2 419  
Stream 2
   Shot(s) Files Deck Reel Remark
  1664 - 2093 1664 - 2093 3 414  
  2094 - 2523 2094 - 2523 4 415  
  2524 - 2953 2524 - 2953 3 416  
  2954 - 3383 2954 - 3383 4 417  
  3384 - 3813 3384 - 3813 3 418  
  3814 - 4170 3814 - 4170 4 419  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 2220 Killed traces  
ALL     ALL 1191, 1948 Weak Trace(s) Trace signal less than -3dB of nominal value
ALL     ALL 839 Noisy Trace(s)  
1800-1809     1800-1809 49-72 Bird depth out of spec Bird C1-4
1802-1812     1802-1812 73-96 Bird depth out of spec Bird C1-5
1805-1819     1805-1819 97-120 Bird depth out of spec Bird C1-6
2062-2072     2062-2072 49-72 Bird depth out of spec Bird C1-4
2063-2079     2063-2079 73-96 Bird depth out of spec Bird C1-5
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1 often deep, max 8.4 m
ALL     ALL 2577-2581 Bird depth out of spec Bird C8-1 deep all line , max 8.8 m
ALL     ALL 1-9, 11-12, 369-379, 737-749, 751, 1105-1113, 1126, 1130, 1473, 1484, 1489, 1499, 1841-1850, 1852-1853, 1855-1856, 1860, 1864, 2577, 2585 Slope alarm > 5% of total line
1735     1735 ALL Gun timing error Gun 2-2 error (ms) : -1.6
1937     1937 ALL Gun timing error Gun 2-2 error (ms) : -1.6
1943     1943 ALL Gun timing error Gun 2-2 error (ms) : -1.6
2107-2118     2107-2118 441-464 Bird depth out of spec Bird C2-5
2111-2121     2111-2121 465-488 Bird depth out of spec Bird C2-6
3768     3768 ALL Gun timing error Gun 5-2 error (ms) : -1.7
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 16:50:07utc 02-Dec-2001