ACQUISITION REPORT Sequence-0283
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1824B283
  Preplot G01A1824
  Direction 18.0°
  SOL Date 22:47:23utc 15-Feb-2002
  EOL Date 23:51:38utc 15-Feb-2002
 Attributes:  
   Wind Force 15.0 [knots] Dir WSW
   Swell Height 1.5 [meters] Dir SW
   Propellor rpm 120 [avg]  
   Propellor pitch 78 [avg]  
       
  SOL EOL  
   Waterdepth 45.3 42.0 [meters]
   Bottomspeed  4.7 2.5 [knots]
   Featherangle sb +3.3 0.0 [deg]
   Cable noise 3.9 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 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)   1101 - 1102  
   SOL Dummy Record(s) 1103 - 1132 1103 - 1132 22:43:30 - 22:47:15
   FSP Start of Line 1133 1133 22:47:23
   MSP      
   LSP End of Line 1605 1605 23:51:38
   EOL Dummy Record(s)      
   EOL Noise Record(s)      
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1133 - 1580 1133 - 1580 22:47:23-23:46:31 Reshoot 16 Valid  
    1581 - 1605 1581 - 1605 23:46:42-23:51:38 Reshoot 0 Scratched NTBP - no NAV network solution dt turn
 Remarks:      
   Navigation Streamer depth 7m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1013mB, pressure now 1006mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1101 - 1530 1101 - 1530 1 1127  
  1531 - 1605 1531 - 1605 2 1128  
Stream 2
   Shot(s) Files Deck Reel Remark
  1101 - 1530 1101 - 1530 3 1127  
  1531 - 1605 1531 - 1605 4 1128  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476, 1633 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 109, 1657, 2307, 2641, 2782 Spiking Trace(s)  
ALL     ALL 1495 Noisy Trace(s)  
1102-1605     1605 2662 Killed traces  
1562-1605     1562-1605 1841-1949 Noisy Trace(s) Excessive noise due to rig break away
1564-1605     1564-1605 2577-2708 Noisy Trace(s) Excessive noise due to rig break away
1564-1605     1564-1605 1473-1581 Noisy Trace(s) Excessive noise due to rig break away
1566-1605     1566-1605 2209-2329 Noisy Trace(s) Excessive noise due to rig break away
1568-1605     1568-1605 1105-1211 Noisy Trace(s) Excessive noise due to rig break away
1572-1605     1572-1605 737-842 Noisy Trace(s) Excessive noise due to rig break away
1574-1585     1574-1585 2577-2581 Bird depth out of spec Bird C8-1
1576-1605     1576-1605 369-453 Noisy Trace(s) Excessive noise due to rig break away
1581-1605     1581-1605 1-85 Noisy Trace(s) Excessive noise due to rig break away
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Crossfeed Occasional fails crossfeed
ALL     ALL 1-9, 11-12, 369-374, 737-742, 744-745, 748, 1105-1113, 1473, 1841-1843, 1845-1849, 2209-2214, 2216-2218, 2577, 2585-2588 Slope alarm > 5% of total line
1105-1605     1105-1605 ALL Slope overload  
1542-1577     1542-1577 2209-2213 Bird depth out of spec Bird C7-1
1556-1573     1556-1573 2577-2581 Bird depth out of spec Bird C8-1
1572-1588     1572-1588 147-163 Bird depth out of spec Bird C1-8
1575-1586     1575-1586 2581-2595 Bird depth out of spec Bird C8-2
1580-1593     1580-1593 2209-2213 Bird depth out of spec Bird C7-1
1586-1605     1586-1605 2577-2581 Bird depth out of spec Bird C8-1
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 16:19:32utc 17-Feb-2002