ACQUISITION REPORT Sequence-0369
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3824B369
  Preplot G01A3824
  Direction 18.0°
  SOL Date 06:31:33utc 19-Apr-2002
  EOL Date 08:20:54utc 19-Apr-2002
 Attributes:  
   Wind Force 12.0 [knots] Dir SSW
   Swell Height 2.0 [meters] Dir ENE
   Propellor rpm 122 [avg]  
   Propellor pitch 99 [avg]  
       
  SOL EOL  
   Waterdepth 57.0 52.7 [meters]
   Bottomspeed  3.8 3.97 [knots]
   Featherangle port -11.9 port -10.2 [deg]
   Cable noise 0.0 7.5 [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)   2668 - 2669  
   SOL Dummy Record(s) 2670 - 2699 2670 - 2699 06:26:47 - 06:31:24
   FSP Start of Line 2700 2700 06:31:33
   MSP      
   LSP End of Line 3409 3409 08:20:54
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3410 - 3411  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2700 - 3409 2700 - 3409 06:31:33-08:20:54 Unknown 16 Valid  
 Remarks:      
   Navigation Birds C7-1 & C7-2 constantly deep, edit traces 2209-2227    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1019mB, pressure now 10xxmB. 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
  2668 - 3097 2668 - 3097 1 1558  
  3098 - 3411 3098 - 3411 1 1559  
Stream 2
   Shot(s) Files Deck Reel Remark
  2668 - 3097 2668 - 3097 3 1558  
  3098 - 3411 3098 - 3411 4 1559  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 11, 1553, 1801, 2265 Spiking Trace(s)  
ALL     ALL 1159, 2871 Noisy Trace(s)  
ALL     ALL- 744 Killed traces  
ALL     ALL 2209-2227 Bird depth out of spec Bird C7-1 & C7-2 Constantly deep
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2771-2787 Bird Dead No coms, Bird C8-10
ALL     ALL 1-13, 16, 369-385, 389-393, 405, 1105-1113, 1123, 1126, 1130, 1135, 1484-1485, 1487, 1489, 1841-1857, 1860-1862, 1864, 1867, 1873, 2209-2226, 2229-2230, 2232, 2239, 2577, 2585-2588, 2602 Slope alarm > 5% of total line
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 08:32:24utc 19-Apr-2002