ACQUISITION REPORT Sequence-0859
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170C
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A7288PMA859
  Preplot G01A7288MA
  Direction 108.0°
  SOL Date 15:01:22utc 27-May-2002
  EOL Date 15:31:27utc 27-May-2002
 Attributes:  
   Wind Force 16.0 [knots] Dir WSW
   Swell Height 3.0 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 96 [avg]  
       
  SOL EOL  
   Waterdepth 55.0 55.0 [meters]
   Bottomspeed  4.5 4.6 [knots]
   Featherangle port -0.2 sb +0.5 [deg]
   Cable noise 9.5 0.0 [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 8
2 PORT -345.0 -25.0 -6.0 3542.0 3 8

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)      
   SOL Dummy Record(s) 3000 - 2991 3000 - 2991 15:00:01 - 15:01:14
   FSP Start of Line 2990 2990 15:01:22
   MSP      
   LSP End of Line 2764 2764 15:31:27
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2763 - 2762  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2990 - 2764 2990 - 2764 15:01:22-15:31:27 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7mtrs    
   Recording QC Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1027mB. Low frequency strumming Str 6 channels 1841 - 1875. Strong reflection events during rig pass.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3002 - 2762 3002 - 2762 2 10064  
Stream 2
   Shot(s) Files Deck Reel Remark
  3002 - 2762 3002 - 2762 3 10064  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 337, 349, 1553, 791 Spiking Trace(s)  
ALL     ALL 1857 Noisy Trace(s)  
ALL     ALL 353, 377, 744 Killed traces  
2903-2899     2903-2899 2603-2619 Bird depth out of spec Bird C8-3 max depth 9.4mtrs
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1633 Weak Trace(s) Trace signal less than -6dB of nominal value
2975-2884     2975-2884 1-5 Bird depth out of spec Bird C1-1 frequently deep avg 8.4mtrs
2971-2953     2971-2953 NONE Bird depth out of spec Bird C3-16
2914-2894     2914-2894 NONE Bird depth out of spec Bird C8-4
2905-2890     2905-2890 NONE Bird depth out of spec Bird C7-4
2890-2872     2890-2872 NONE Bird depth out of spec Bird C8-3
2887-2876     2887-2876 NONE Bird depth out of spec Bird C8-4
2850-2835     2850-2835 NONE Bird depth out of spec Bird C7-5
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 17:30:50utc 27-May-2002