ACQUISITION REPORT Sequence-0333
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4928A333
  Preplot G01A4928
  Direction 198.0°
  SOL Date 17:59:21utc 26-Mar-2002
  EOL Date 00:19:21utc 27-Mar-2002
 Attributes:  
   Wind Force 0.0 [knots] $(wind_dir)
   Swell Height 1.5 [meters] Dir SW
   Propellor rpm 121 [avg]  
   Propellor pitch 70 [avg]  
       
  SOL EOL  
   Waterdepth 80.0 288.0 [meters]
   Bottomspeed  3.9 4.2 [knots]
   Featherangle sb +3.1 port -0.6 [deg]
   Cable noise 4.5 5.5 [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)   4224 - 4223  
   SOL Dummy Record(s) 4222 - 4213 4222 - 4213 17:57:48 - 17:59:12
   FSP Start of Line 4212 4212 17:59:21
   MSP 1916 1916 23:59:56
   LSP End of Line 1785 1785 00:19:21
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1784 - 1784  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4212 - 1785 4212 - 1785 17:59:21-00:19:21 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC LOW PRODUCTION SPEED D/T DAMAGED PROPUSION MOTORS. Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1013mB, pressure now 1018mB. 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
  4224 - 3795 4224 - 3795 1 1374  
  3794 - 3365 3794 - 3365 2 1375  
  3364 - 2935 3364 - 2935 1 1376  
  2934 - 2505 2934 - 2505 2 1377  
  2504 - 2075 2504 - 2075 1 1378  
  2074 - 1784 2074 - 1784 2 1379  
Stream 2
   Shot(s) Files Deck Reel Remark
  4224 - 3795 4224 - 3795 3 1374  
  3794 - 3365 3794 - 3365 3 1375  
  3364 - 2935 3364 - 2935 4 1376  
  2934 - 2505 2934 - 2505 3 1377  
  2504 - 2075 2504 - 2075 4 1378  
  2074 - 1784 2074 - 1784 3 1379  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1159 Noisy Trace(s) Noisy channel
ALL     ALL 2265 Spiking  
2852-2821     2852-2821 2259-2275 Bird depth out of spec Bird C7-4 deep 11.1mtrs
2848-2817     2848-2817 2283-2299 Bird depth out of spec Bird C7-5 deep 10.3mtrs
2582     2582 1841-2208 Seismic data parity errors High parity errors Str 6 - this shot only
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1633, 2782 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1-12, 369-374, 377, 738, 744, 748-749, 751-752, 764, 1105, 1126, 1841-1849, 2209-2220, 2222-2225, 2577-2579, 2581-2589, 2591 Slope alarm > 5% of total line
4192-4104     4192-4104 NONE Bird depth out of spec Bird 7-5 deep max 8.4 mtrs
3894-3882     3894-3882 NONE Bird depth out of spec Bird C2-6 deep 8.3mtrs
2861-2847     2861-2847 NONE Bird depth out of spec Bird C8-5 deep 8.7mtrs
2840-2815     2840-2815 NONE Bird depth out of spec Bird C7-6 deep 8.9mtrs
2722-2706     2722-2706 NONE Bird depth out of spec Bird C2-6 deep 8.9 mtrs
2679-2666     2679-2666 NONE Bird depth out of spec Bird C2-3 deep 8.6 mtrs
2485-2459     2485-2459 NONE Bird depth out of spec Bird C5-14 - min 5.4m
1916-1903     1916-1903 NONE Bird depth out of spec Bird C1-5 min 5.4m
1907-1892     1907-1892 NONE Bird depth out of spec Bird C2-5 min 5.1m
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 00:41:41utc 27-Mar-2002