ACQUISITION REPORT Sequence-0387
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3968K387
  Preplot G01A3968
  Direction 198.0°
  SOL Date 15:07:54utc 29-Apr-2002
  EOL Date 17:49:26utc 29-Apr-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir NE
   Swell Height 1.5 [meters] Dir E
   Propellor rpm 122 [avg]  
   Propellor pitch 90 [avg]  
       
  SOL EOL  
   Waterdepth 49.0 58.0 [meters]
   Bottomspeed  4.8 4.8 [knots]
   Featherangle port -2.8 sb +0.7 [deg]
   Cable noise 6.7 5.4 [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)   4203 - 4203  
   SOL Dummy Record(s) 4202 - 4173 4202 - 4173 15:04:06 - 15:07:46
   FSP Start of Line 4172 4172 15:07:54
   MSP      
   LSP End of Line 2900 2900 17:49:26
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2899 - 2898  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4172 - 2900 4172 - 2900 15:07:54-17:49:26 Infill 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1034mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP. Side swipes present on records.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  4203 - 3774 4203 - 3774 1 1648  
  3773 - 3344 3773 - 3344 2 1649  
  3343 - 2914 3343 - 2914 1 1650  
  2913 - 2899 2913 - 2899 2 1651  
Stream 2
   Shot(s) Files Deck Reel Remark
  4203 - 3774 4203 - 3774 3 1648  
  3773 - 3344 3773 - 3344 4 1649  
  3343 - 2914 3343 - 2914 3 1650  
  2913 - 2899 2913 - 2899 4 1651  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476, 1633, 2782 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1553, 2265, 2764 Spiking Trace(s)  
ALL     ALL 1857, 2827, 2871 Noisy Trace(s)  
ALL     ALL- 744 Killed traces  
4070-4055     4070-4055 51-67 Bird depth out of spec Bird C1-4, max dept 9.8m
4064-4052     4064-4052 419-435 Bird depth out of spec Bird C2-4, max dept 9,7m
4062-4058     4062-4058 75-91 Bird depth out of spec Bird C1-5, max depth 9.4m
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-17, 20, 22-23, 369-385, 388-390, 405, 1105-1117, 1121-1126, 1128-1135, 1473, 1481, 1484, 1841-1857, 1860, 2209-2220, 2222-2226, 2229, 2577-2578, 2584-2589, 2591, 2593, 2602 Slope alarm > 5% of total line
4071-4051     4071-4051 27-43 Bird depth out of spec Bird C1-3
3195-3165     3195-3165 147-163 Bird depth out of spec Bird C1-8
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 18:15:59utc 29-Apr-2002