ACQUISITION REPORT Sequence-0076
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2992C076
  Preplot G01A2992
  Direction 18.0°
  SOL Date 08:49:46utc 25-Nov-2001
  EOL Date 09:24:09utc 25-Nov-2001
 Attributes:  
   Wind Force 8.0 [knots] Dir NNE
   Swell Height 1.5 [meters] Dir NNE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 57.0 53.0 [meters]
   Bottomspeed  4.67 4.7 [knots]
   Featherangle port -3.5 0.0 [deg]
   Cable noise 7.29 6.3 [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)   2007 - 2008  
   SOL Dummy Record(s) 2009 - 2018 2009 - 2018 08:48:28 - 08:49:38
   FSP Start of Line 2019 2019 08:49:46
   MSP      
   LSP End of Line 2285 2285 09:24:09
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2286 - 2287  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2019 - 2249 2019 - 2249 08:49:46-09:19:30 Reshoot 16 Valid  
    2250 - 2285 2250 - 2285 09:19:38-09:24:09 Reshoot 16 Valid Overlap SP
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1007mB. Str 8 Bird 1 mask on External Header, constantly deep, 8.1m.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2007 - 2287 2007 - 2287 1 298  
Stream 2
   Shot(s) Files Deck Reel Remark
  2007 - 2287 2007 - 2287 3 298  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 304, 414, 1127 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 369-371, 737-742, 744-745, 1105-1112, 1841 Slope alarm > 5% of total line
ALL     ALL 1191 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 2301 Fails Crossfeed test  
2130     2130 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 09:57:34utc 25-Nov-2001