ACQUISITION REPORT Sequence-0344
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4512C344
  Preplot G01A4512
  Direction 18.0°
  SOL Date 12:15:59utc 07-Apr-2002
  EOL Date 12:56:01utc 07-Apr-2002
 Attributes:  
   Wind Force 20.0 [knots] Dir ENE
   Swell Height 2.0 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 97 [avg]  
       
  SOL EOL  
   Waterdepth 74.0 65.0 [meters]
   Bottomspeed  4.2 4.0 [knots]
   Featherangle port -7.9 port -5.0 [deg]
   Cable noise 9.02 11.76 [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)   3388 - 3389  
   SOL Dummy Record(s) 95 - 3399 95 - 3399 15:58:18 - 12:15:50
   FSP Start of Line 3400 3400 12:15:59
   MSP      
   LSP End of Line 3667 3667 12:56:01
   EOL Dummy Record(s) 3854 - 3855 3854 - 3855 19:14:07 - 19:13:58
   EOL Noise Record(s)   3668 - 3721  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3400 - 3667 3400 - 3667 12:15:59-12:56:01 Reshoot 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1028mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP. Random swell noise during line.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3388 - 3669 3388 - 3669 1 1421  
Stream 2
   Shot(s) Files Deck Reel Remark
  3388 - 3669 3388 - 3669 3 1421  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2265, 1801, 1553 Spiking Trace(s)  
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1159, 2871 Noisy Trace(s)  
3447-3448     3447-3448 2155-2171 Bird depth out of spec Bird C6-15
3452-3457     3452-3457 2155-2171 Bird depth out of spec Bird C6-15
3526-3568     3526-3568 2155-2177 Bird depth out of spec Bird C6-15
3573-3576     3573-3576 2155-2177 Bird depth out of spec Bird C6-15
3622-3635     3622-3635 2155-2177 Bird depth out of spec Bird C6-15
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL ALL Swell Noise Random swell noise during line
3435-3446     3435-3446 NONE Bird depth out of spec Bird C6-15
3464-3480     3464-3480 NONE Bird depth out of spec Bird C8-4
3501-3528     3501-3528 NONE Bird depth out of spec Bird C1-5
3577-3621     3577-3621 NONE Bird depth out of spec Bird C6-15
3636-3656     3636-3656 NONE Bird depth out of spec Bird C6-15
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 13:39:06utc 07-Apr-2002