ACQUISITION REPORT Sequence-0154
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1968A154
  Preplot G01A1968
  Direction 198.0°
  SOL Date 15:48:51utc 27-Dec-2001
  EOL Date 20:24:18utc 27-Dec-2001
 Attributes:  
   Wind Force 18.0 [knots] Dir SW
   Swell Height 1.2 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 38.0 47.0 [meters]
   Bottomspeed  4.3 4.7 [knots]
   Featherangle port -4.6 sb +1.1 [deg]
   Cable noise 6.0 5.9 [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)      
   SOL Dummy Record(s) 3198 - 3169 3198 - 3169 15:44:40 - 15:48:43
   FSP Start of Line 3168 3168 15:48:51
   MSP      
   LSP End of Line 1142   20:24:18
   EOL Dummy Record(s)      
   EOL Noise Record(s)      
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3168 - 1142 3168 -   15:48:51-  Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7.0 m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1003 mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. Bird 8-18 masked from external header dt bad depth reading.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3200 - 2771 3200 - 2771 2 632  
  2770 - 2341 2770 - 2341 1 633  
  2340 - 1911 2340 - 1911 2 634  
  1910 - 1481 1910 - 1481 1 635  
  1480 - 1141 1480 - 1141 2 636  
Stream 2
   Shot(s) Files Deck Reel Remark
  3200 - 2771 3200 - 2771 3 632  
  2770 - 2341 2770 - 2341 4 633  
  2340 - 1911 2340 - 1911 4 634  
  1910 - 1481 1910 - 1481 3 635  
  1480 - 1141 1480 - 1141 3 636  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 1853 Killed traces  
ALL     ALL 1657, 2307, 2731 Spiking Trace(s)  
ALL     ALL 2871 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1599 Crossfeed Fails Crossfeed test
ALL     ALL 4-7, 9, 369-371, 737-741, 744, 1105-1110, 1112, 2209-2220, 2222-2225, 2229-2231, 2577, 2585-2589, 2591, 2601-2602 Slope alarm > 5% of total line
3147     3147 NONE Bird depth out of spec Bird C7-1 occasional deep 7.9m - 8.2m
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 20:45:21utc 27-Dec-2001