ACQUISITION REPORT Sequence-0016
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2784A016
  Preplot G01A2784
  Direction 18.0°
  SOL Date 01:39:42utc 25-Oct-2001
  EOL Date 02:07:20utc 25-Oct-2001
 Attributes:  
   Wind Force 5.0 [knots] Dir NE
   Swell Height 1.0 [meters] Dir ENE
   Propellor rpm 122 [avg]  
   Propellor pitch 96 [avg]  
       
  SOL EOL  
   Waterdepth 49.0 48.0 [meters]
   Bottomspeed  5.0 4.8 [knots]
   Featherangle sb +4.7 sb +2.6 [deg]
   Cable noise 6.2 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 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 2.0 0001 0001-0001 0001 0001 - 0001 0.00
2 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0036 0001-0036 0036 0001 - 0036 0.00
3 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0036 0001-0036 0036 0001 - 0036 0.00
4 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0001 0001-0001 0001 0001 - 0001 0.00
5 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0001-0368 0368 0001 - 0368 5.60
6 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0369-0736 0368 0369 - 0736 5.60
7 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0737-1104 0368 0737 - 1104 5.60
8 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1105-1472 0368 1105 - 1472 5.60
9 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1473-1840 0368 1473 - 1840 5.60
10 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1841-2208 0368 1841 - 2208 5.60
11 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 2209-2576 0368 2209 - 2576 5.60
12 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)   1990 - 1991  
   SOL Dummy Record(s)      
   FSP Start of Line 2625 2625 01:39:42
   MSP      
   LSP End of Line 2853 2853 02:07:20
   EOL Dummy Record(s) 2854 - 2877 2854 - 2877 02:07:27 - 02:10:15
   EOL Noise Record(s)      
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2625 - 2649 2625 - 2649 01:39:42-01:42:36 Prime 0 Scratched Guns tuning in - late sol d/t whale sighting
    2650 - 2853 2650 - 2853 01:42:43-02:07:20 Prime 12 Valid Line aborted d/t whales
 Remarks:      
   Navigation Streamer depth at 7.0m, ******NTBP, All data scratched.*******    
   Recording QC FGSP 2650 D/T WHALE SIGHTING - MANIFOLD READING ARRAY 1 BAD D/T SENSOR Filter delay 5.6ms. Frontsheet Set 1. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1010mB. ******NTBP - All data scratched.******* Str 8 Bird 1 mask on External Header, constantly deep, 8.1m.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1990 - 2877 1990 - 2877 1 70 No EOL noise file recorded.
Stream 2
   Shot(s) Files Deck Reel Remark
  1990 - 2877 1990 - 2877 3 70 No EOL noise file recorded.

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL-2877 1191 Killed traces  
ALL     ALL-2877 1948 Killed traces  
ALL     ALL 2764 Killed traces  
ALL     ALL 2806 Killed traces  
ALL     ALL 304, 1127, 1495, 2775 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 369, 737-738, 741, 1105-1113, 1473, 1841, 2210 Slope alarm > 5% of total line
2654-2685     2654-2685 NONE Bird depth out of spec Bird C7-3
2717     2717 NONE Bird depth out of spec Bird C1-1
2729     2729 NONE Bird depth out of spec Bird C7-1
2737     2737 NONE Bird depth out of spec Bird C7-1
2756     2756 NONE Bird depth out of spec Bird C6-2
2797     2797 NONE Bird depth out of spec Bird C7-1
2804     2804 NONE Bird depth out of spec Bird C7-1
2832-2833     2832-2833 NONE Bird depth out of spec Bird C7-1
2835-2836     2835-2836 NONE Bird depth out of spec Bird C7-1
2839     2839 NONE Bird depth out of spec Bird C7-1
2841     2841 NONE Bird depth out of spec Bird C7-1
Comment
Shot(s)     File(s) Trace(s) Type Remark
2853     2853 ALL LGSP Line aborted d/t whales


 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 08:25:43utc 25-Oct-2001