ACQUISITION REPORT Sequence-0830
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170C
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2176PSN830
  Preplot G01A2176SN
  Direction 288.0°
  SOL Date 00:54:53utc 03-Mar-2002
  EOL Date 01:20:43utc 03-Mar-2002
 Attributes:  
   Wind Force 25.0 [knots] Dir W
   Swell Height 2.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 51.0 48.0 [meters]
   Bottomspeed  4.6 4.7 [knots]
   Featherangle sb +5.2 sb +1.8 [deg]
   Cable noise 7.58 6.33 [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)   3749 - 3750  
   SOL Dummy Record(s) 3751 - 3780 3751 - 3780 00:50:54 - 00:54:45
   FSP Start of Line 3781 3781 00:54:53
   MSP      
   LSP End of Line 3982 3982 01:20:43
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3983 - 3984  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3781 - 3982 3781 - 3982 00:54:53-01:20:43 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m. NAVRT External Header Block defines Job No. 9170C    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1018mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3749 - 3984 3749 - 3984 2 10030  
Stream 2
   Shot(s) Files Deck Reel Remark
  3749 - 3984 3749 - 3984 4 10030  

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  
3869-3879     3869-3879 2283-2299 Bird depth out of spec Bird C7-5, max depth 9.4m
3871-3880     3871-3880 2651-2667 Bird depth out of spec Bird C8-5, max depth 9.4m
Warning
Shot(s)     File(s) Trace(s) Type Remark
3780     3780 2209-2213 Bird depth out of spec Bird C7-1, occasional deep 8.0-8.3m
3866-3889     3866-3889 2307-2323 Bird depth out of spec Bird C7-6
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 09:23:55utc 05-Mar-2002