ACQUISITION REPORT Sequence-0070
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2640J070
  Preplot G01A2640
  Direction 198.0°
  SOL Date 21:45:36utc 23-Nov-2001
  EOL Date 02:37:13utc 24-Nov-2001
 Attributes:  
   Wind Force 5.0 [knots] $(wind_dir)
   Swell Height 2.5 [meters] Dir ENE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 43.0 53.0 [meters]
   Bottomspeed  4.3 4.0 [knots]
   Featherangle port -3.1 port -2.1 [deg]
   Cable noise 6.0 7.97 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]

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)   3736 - 3735  
   SOL Dummy Record(s) 3734 - 3725 3734 - 3725 21:44:12 - 21:45:27
   FSP Start of Line 3724 3724 21:45:36
   MSP 2796 2796 23:59:56
   LSP End of Line 1743 1743 02:37:13
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1742 - 1742  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3724 - 1743 3724 - 1743 21:45:36-02:37:13 Infill 16 Valid Primary Infill for All Offsets
 Remarks:      
   Navigation Streamer depth at 7.0m. Primary Infill All Offsets    
   Recording QC Bird 6-1 intermittant comms, intermittant depth reading. Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1012mB. Str 8 Bird 1 mask on External Header, occasionally deep, 8.1m. Swell noise increasing toward to the end of the line.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3736 - 3307 3736 - 3307 1 278  
  3306 - 2877 3306 - 2877 2 279  
  2876 - 2447 2876 - 2447 1 280  
  2446 - 2017 2446 - 2017 2 281  
  2016 - 1742 2016 - 1742 1 282  
Stream 2
   Shot(s) Files Deck Reel Remark
  3736 - 3307 3736 - 3307 4 278  
  3306 - 2877 3306 - 2877 4 279  
  2876 - 2447 2876 - 2447 4 280  
  2446 - 2017 2446 - 2017 4 281  
  2016 - 1742 2016 - 1742 4 282  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 304, 1127 Noisy Channels  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2301 Fails Crossfeed
ALL     ALL 1191, 2164, 2806 Weak Traces Weak trace more than -6 dB down
ALL     ALL 1-7, 9, 12, 369-374, 377, 737-749, 751-752, 1105-1113, 1126, 1473, 1841-1846, 2209-2211, 2213-2214, 2216-2217 Slope alarm > 5% of total line
3683-3676     3683-3676 NONE Bird depth out of spec Bird C6-3
3614     3614 NONE Bird depth out of spec Bird C6-3
3601     3601 NONE Bird depth out of spec Bird C6-3
3599     3599 NONE Bird depth out of spec Bird C6-3
3599     3599 NONE Bird depth out of spec Bird C7-1
3597-3592     3597-3592 NONE Bird depth out of spec Bird C6-3
3495     3495 NONE Bird depth out of spec Bird C8-4
3418     3418 NONE Bird depth out of spec Bird C8-2
3412-3410     3412-3410 NONE Bird depth out of spec Bird C7-2
3412     3412 NONE Bird depth out of spec Bird C8-2
3406     3406 NONE Bird depth out of spec Bird C7-2
3406-3405     3406-3405 NONE Bird depth out of spec Bird C8-2
3396     3396 NONE Bird depth out of spec Bird C8-4
3363     3363 NONE Bird depth out of spec Bird C6-1
3179     3179 NONE Bird depth out of spec Bird C8-2
2978     2978 NONE Bird depth out of spec Bird C8-2
2970     2970 NONE Bird depth out of spec Bird C8-2
2969     2969 NONE Bird depth out of spec Bird C7-2
2769-2768     2769-2768 NONE Bird depth out of spec Bird C6-3
2742-2741     2742-2741 NONE Bird depth out of spec Bird C8-2
2738-2737     2738-2737 NONE Bird depth out of spec Bird C7-2
2721     2721 NONE Bird depth out of spec Bird C6-3
2683     2683 NONE Bird depth out of spec Bird C7-3
2677     2677 NONE Bird depth out of spec Bird C8-2
2676     2676 NONE Bird depth out of spec Bird C7-3
2662     2662 NONE Bird depth out of spec Bird C8-4
2580     2580 NONE Bird depth out of spec Bird C6-1
2435     2435 NONE Bird depth out of spec Bird C6-3
2365     2365 NONE Bird depth out of spec Bird C6-3
2362-2361     2362-2361 NONE Bird depth out of spec Bird C6-3
2356     2356 NONE Bird depth out of spec Bird C6-3
2290     2290 ALL Swell noise Swell noise increasing, average RMS ~ 8-10µBar
2288     2288 NONE Bird depth out of spec Bird C6-3
2216     2216 NONE Bird depth out of spec Bird C7-5
2203     2203 NONE Bird depth out of spec Bird C8-4
2161     2161 NONE Bird depth out of spec Bird C6-3
2157-2156     2157-2156 NONE Bird depth out of spec Bird C6-3
2146     2146 NONE Bird depth out of spec Bird C8-4
2096     2096 NONE Bird depth out of spec Bird C7-3
2033     2033 NONE Bird depth out of spec Bird C7-2
2021     2021 NONE Bird depth out of spec Bird C5-2
1931     1931 NONE Bird depth out of spec Bird C8-4
1902     1902 NONE Bird depth out of spec Bird C5-1
1892     1892 NONE Bird depth out of spec Bird C7-2
1884     1884 NONE Bird depth out of spec Bird C7-3
1794     1794 NONE Bird depth out of spec Bird C7-2
1776     1776 NONE Bird depth out of spec Bird C8-4
1767     1767 NONE Bird depth out of spec Bird C8-1
1759     1759 NONE Bird depth out of spec Bird C7-3
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL ALL Swell Noise Occ Swell Noise Seen On All Cables Approx 5-7%


 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 02:57:55utc 24-Nov-2001