ACQUISITION REPORT Sequence-0143
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3536J143
  Preplot G01A3536
  Direction 198.0°
  SOL Date 01:35:39utc 23-Dec-2001
  EOL Date 06:24:50utc 23-Dec-2001
 Attributes:  
   Wind Force 8.0 [knots] Dir SW
   Swell Height 1.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 92 [avg]  
       
  SOL EOL  
   Waterdepth 50.1 63.0 [meters]
   Bottomspeed  4.1 5.0 [knots]
   Featherangle port -5.4 sb +3.4 [deg]
   Cable noise 5.2 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)   3772 - 3771  
   SOL Dummy Record(s)      
   FSP Start of Line 3770 3770 01:35:39
   MSP      
   LSP End of Line 1652 1652 06:24:50
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1650 - 1647  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3770 - 1652 3770 - 1652 01:35:39-06:24:50 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 1013mB. Str7 Bird 1 mask on External Header, occasionally deep. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. No SOL Dummy SP recorded. Bird C4-15 SP 2262-1652 masked from External Header    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3772 - 3343 3772 - 3343 1 601  
  3342 - 2913 3342 - 2913 2 602  
  2912 - 2483 2912 - 2483 1 603  
  2482 - 2053 2482 - 2053 2 604  
  2052 - 1647 2052 - 1647 1 605  
Stream 2
   Shot(s) Files Deck Reel Remark
  3772 - 3343 3772 - 3343 3 601  
  3342 - 2913 3342 - 2913 4 602  
  2912 - 2483 2912 - 2483 4 603  
  2482 - 2053 2482 - 2053 3 604  
  2052 - 1647 2052 - 1647 4 605  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
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, 2034   Fails Crossfeed test
ALL     ALL 2209-2581 Bird depth out of spec Bird C7-1occasional deep 7.8-8.1m
ALL     ALL 1419-1435   Bird C4-15 occasional communication problem
ALL     ALL 1-13, 16, 369-381, 383, 390, 737-752, 755, 758, 760, 763-764, 1105-1107, 1109-1113, 1122-1123, 1125-1126, 1130-1131, 1135, 1473, 1484, 1489, 1841-1853, 1855-1856, 2209-2220, 2224-2225, 2229, 2577, 2585-2587, 2602 Slope alarm > 5% of total line
3347     3347 369-373 Bird depth out of spec Bird C2-1
2865     2865 ALL Gun timing error Gun 1-2 error (ms) : -1.6
2784-2781     2784-2781 419-435 Bird depth out of spec Bird C2-4
2772-2768     2772-2768 51-67 Bird depth out of spec Bird C1-4
2283-2280     2283-2280 ALL Bird communication Some birds on str 1 to str 8 lost communication
2233     2233 ALL Bird communication Some birds on str 1 to str 8 lost communication
1655-1652     1655-1652 419-435 Bird depth out of spec Bird C2-4
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 08:13:07utc 23-Dec-2001