ACQUISITION REPORT Sequence-0088
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2880K088
  Preplot G01A2880
  Direction 18.0°
  SOL Date 22:36:10utc 27-Nov-2001
  EOL Date 23:18:52utc 27-Nov-2001
 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 46.0 43.0 [meters]
   Bottomspeed  4.9 5.0 [knots]
   Featherangle port -6.1 port -0.5 [deg]
   Cable noise 6.4 5.03 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]

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)   3641 - 3642  
   SOL Dummy Record(s) 3643 - 3652 3643 - 3652 22:34:57 - 22:36:03
   FSP Start of Line 3653 3653 22:36:10
   MSP      
   LSP End of Line 4004 4004 23:18:52
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4005 - 4006  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3653 - 3662 3653 - 3662 22:36:10-22:37:16 Infill 16 Valid Overlap SP's
    3663 - 4004 3663 - 4004 22:37:24-23:18:52 Infill 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 1020mB. Str 8 Bird 1 mask on External Header, occasionally deep, 8.1m.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3641 - 4006 3641 - 4006 1 333  
Stream 2
   Shot(s) Files Deck Reel Remark
  3641 - 4006 3641 - 4006 4 333  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2220 Killed traces  
ALL     ALL 304, 414, 839, 1127 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1191 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1-17, 22, 369-381, 737-752, 755, 757-758, 764, 1105-1113, 1122-1123, 1125-1126, 1130-1131, 1133-1135, 1473, 1484-1485, 1499, 1841-1843, 1845-1846, 1848-1850, 1852, 1855-1856, 2577, 2585-2588 Slope alarm > 5% of total line
ALL     ALL 2301 Fails crossfeed test  
3653     3653 NONE Bird depth out of spec Bird C7-1
3656     3656 NONE Bird depth out of spec Bird C7-1
3658-3663     3658-3663 NONE Bird depth out of spec Bird C7-1
3660     3660 NONE Bird depth out of spec Bird C2-14
3661     3661 ALL Gun timing error Gun 2-2 error (ms) : -1.6
3665-3675     3665-3675 NONE Bird depth out of spec Bird C7-1
3684     3684 NONE Bird depth out of spec Bird C7-1
3686-3692     3686-3692 NONE Bird depth out of spec Bird C7-1
3694     3694 NONE Bird depth out of spec Bird C7-1
3696     3696 NONE Bird depth out of spec Bird C7-1
3708-3714     3708-3714 NONE Bird depth out of spec Bird C7-3
3710     3710 NONE Bird depth out of spec Bird C7-1
3717-3718     3717-3718 NONE Bird depth out of spec Bird C7-4
3721     3721 NONE Bird depth out of spec Bird C7-1
3721-3722     3721-3722 NONE Bird depth out of spec Bird C7-4
3822     3822 NONE Bird depth out of spec Bird C7-1
3825     3825 NONE Bird depth out of spec Bird C7-1
3856     3856 NONE Bird depth out of spec Bird C7-1
3859-3860     3859-3860 NONE Bird depth out of spec Bird C7-1
3878     3878 NONE Bird depth out of spec Bird C7-1
3890     3890 NONE Bird depth out of spec Bird C1-11
3892     3892 NONE Bird depth out of spec Bird C7-1
3895-3896     3895-3896 NONE Bird depth out of spec Bird C7-1
3897     3897 NONE Bird depth out of spec Bird C8-1
3903     3903 NONE Bird depth out of spec Bird C7-1
3905     3905 NONE Bird depth out of spec Bird C7-1
3910     3910 NONE Bird depth out of spec Bird C7-1
3919     3919 NONE Bird depth out of spec Bird C7-1
3926     3926 NONE Bird depth out of spec Bird C7-1
3930-3931     3930-3931 NONE Bird depth out of spec Bird C7-1
3939     3939 NONE Bird depth out of spec Bird C7-1
3942     3942 NONE Bird depth out of spec Bird C7-1
3946-3948     3946-3948 NONE Bird depth out of spec Bird C7-1
3950-3954     3950-3954 NONE Bird depth out of spec Bird C7-1
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 23:56:08utc 27-Nov-2001