ACQUISITION REPORT Sequence-0405
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4128A405
  Preplot G01A4128
  Direction 198.0°
  SOL Date 12:48:06utc 04-May-2002
  EOL Date 14:16:24utc 04-May-2002
 Attributes:  
   Wind Force 0.0 [knots] $(wind_dir)
   Swell Height 1.5 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 87 [avg]  
       
  SOL EOL  
   Waterdepth 47.0 54.0 [meters]
   Bottomspeed  4.8 4.8 [knots]
   Featherangle sb +2.0 port -2.1 [deg]
   Cable noise 4.1 12.8 [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)   4210 - 4209  
   SOL Dummy Record(s) 4208 - 4179 4208 - 4179 12:44:20 - 12:47:58
   FSP Start of Line 4178 4178 12:48:06
   MSP      
   LSP End of Line 3480 3480 14:16:24
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1462 - 1461  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4178 - 3480 4178 - 3480 12:48:06-14:16:24 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m    
   Recording QC Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1029mB. Side swipes present at record. Low frequency strumming Str 6 channels 1841 - 1875.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  4210 - 3781 4210 - 3781 1 1725  
  3780 - 1461 3780 - 1461 2 1726  
Stream 2
   Shot(s) Files Deck Reel Remark
  4210 - 3781 4210 - 3781 3 1725  
  3780 - 1461 3780 - 1461 4 1726  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 744, 2764 Killed traces  
ALL     ALL 1633, 2782 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1857 Noisy Trace(s)  
ALL     ALL 337, 1532, 1553 Spiking Trace(s)  
4116-4110     4116-4110 2259-2275 Bird depth out of spec Bird C7-4, Max depth 9.5m
3524-3480     3524-3480 1841-1926 Streamer noise Bend noise d/t turn for avoiding Rig
3523-3480     3523-3480 1473-1557 Streamer noise Bend noise d/t turn for avoiding Rig
3522-3480     3522-3480 737-851 Streamer noise Bend noise d/t turn for avoiding Rig
3516-3480     3516-3480 1105-1191 Streamer noise Bend noise d/t turn for avoiding Rig
3511-3480     3511-3480 2209-3305 Streamer noise Bend noise d/t turn for avoiding Rig
3510-3480     3510-3480 2577-2681 Streamer noise Bend noise d/t turn for avoiding Rig
3506-3480     3506-3480 1-86 Streamer noise Bend noise d/t turn for avoiding Rig
3506-3480     3506-3480 369-471 Streamer noise Bend noise d/t turn for avoiding Rig
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1316 Fails PS test  
ALL     ALL 1-17, 20, 22, 369-385, 390, 405, 1105-1135, 1138, 1473-1474, 1476-1485, 1487, 1489, 1841-1856, 1860-1861, 1864, 1866, 2209-2220, 2222-2226, 2229-2230, 2577-2589, 2591, 2593, 2602 Slope alarm > 5% of total line
3965-3955     3965-3955 2603-2619 Bird depth out of spec Bird C8-3
3947-3924     3947-3924 2259-2275 Bird depth out of spec Bird C7-4
3698-3671     3698-3671 1131-1147 Bird depth out of spec Bird C4-3
3552-3547     3552-3547 2675-2691 Bird depth out of spec Bird C8-6
3545-3536     3545-3536 2675-2691 Bird depth out of spec Bird C8-6
3540-3528     3540-3528 2675-2691 Bird depth out of spec Bird C8-7
3538-3520     3538-3520 2931-2715 Bird depth out of spec Bird C8-17
3528-3480     3528-3480 1131-1147 Bird depth out of spec Bird C4-3
3520-3510     3520-3510 27-43 Bird depth out of spec Bird C1-3
Comment
Shot(s)     File(s) Trace(s) Type Remark
3565     3565 ALL   SP we start turning


 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 03:12:19utc 05-May-2002