ACQUISITION REPORT Sequence-0381
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4064B381
  Preplot G01A4064
  Direction 198.0°
  SOL Date 10:52:50utc 25-Apr-2002
  EOL Date 13:43:59utc 25-Apr-2002
 Attributes:  
   Wind Force 37.0 [knots] Dir SSW
   Swell Height 1.0 [meters] Dir NE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 63.0 70.1 [meters]
   Bottomspeed  4.1 4.5 [knots]
   Featherangle sb +0.6 port -1.8 [deg]
   Cable noise 4.98 6.0 [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
0 STBD -345.0 25.0 -6.0 0.0 0 0
0 STBD -345.0 -25.0 -6.0 0.0 0 0

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)   2657 - 2656  
   SOL Dummy Record(s) 2655 - 2636 2655 - 2636 10:49:53 - 10:52:41
   FSP Start of Line 2635 2635 10:52:50
   MSP      
   LSP End of Line 1437 1437 13:43:59
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1436 - 1435  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2635 - 1437 2635 - 1437 10:52:50-13:43:59 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 10xxmB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2657 - 2228 2657 - 2228 1 1620  
  2227 - 1798 2227 - 1798 2 1621  
  1797 - 1436 1797 - 1436 1 1622  
Stream 2
   Shot(s) Files Deck Reel Remark
  2657 - 2228 2657 - 2228 3 1620  
  2227 - 1798 2227 - 1798 4 1621  
  1797 - 1436 1797 - 1436 3 1622  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 744 Killed Trace(s)  
ALL     ALL 1476, 1633, 2782 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1553, 2265 Spiking Trace(s)  
ALL     ALL 1857, 2827, 2871 Noisy Trace(s)  
2173-2165     2173-2165 2307-2323 Bird depth out of spec Bird C7-6 max depth 9.2m
2167-2157     2167-2157 2259-2275 Bird depth out of spec Bird C7-4 max depth 10.4m
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-13, 16, 369-383, 390, 1105-1106, 1109-1113, 1122-1123, 1126, 1130, 1135, 1484, 1489, 1841-1856, 1860, 2209-2226, 2229, 2232, 2577, 2585-2589, 2591, 2602 Slope alarm > 5% of total line
2176-2147     2176-2147 2651-2667 Bird depth out of spec Bird C8-5
2174-2157     2174-2157 2331-2347 Bird depth out of spec Bird C7-7
2174-2163     2174-2163 2675-2691 Bird depth out of spec Bird C8-6
2158-2142     2158-2142 2283-2299 Bird depth out of spec Bird C7-5
1587-1553     1587-1553 2675-2691 Bird depth out of spec Bird C8-6
1523-1508     1523-1508 51-67 Bird depth out of spec Bird C1-4
1519-1509     1519-1509 75-91 Bird depth out of spec Bird C1-5
1496-1483     1496-1483 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 20:50:42utc 25-Apr-2002