ACQUISITION REPORT Sequence-0063
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3008A063
  Preplot G01A3008
  Direction 198.0°
  SOL Date 15:20:53utc 17-Nov-2001
  EOL Date 20:55:59utc 17-Nov-2001
 Attributes:  
   Wind Force 8.0 [knots] Dir NNE
   Swell Height 1.0 [meters] Dir ENE
   Propellor rpm 122 [avg]  
   Propellor pitch 94 [avg]  
       
  SOL EOL  
   Waterdepth 46.0 52.0 [meters]
   Bottomspeed  5.0 4.8 [knots]
   Featherangle sb +4.2 port -10.3 [deg]
   Cable noise 5.6 5.8 [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 2.0 0001 0001-0001 0001 0001 - 0001 0.00
2 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0036 0001-0036 0036 0001 - 0036 0.00
3 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0036 0001-0036 0036 0001 - 0036 0.00
4 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0001 0001-0001 0001 0001 - 0001 0.00
5 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0001-0368 0368 0001 - 0368 5.60
6 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0369-0736 0368 0369 - 0736 5.60
7 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0737-1104 0368 0737 - 1104 5.60
8 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1105-1472 0368 1105 - 1472 5.60
9 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1473-1840 0368 1473 - 1840 5.60
10 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1841-2208 0368 1841 - 2208 5.60
11 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 2209-2576 0368 2209 - 2576 5.60
12 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)   3971 - 3970  
   SOL Dummy Record(s) 3969 - 3960 3969 - 3960 15:19:41 - 15:20:46
   FSP Start of Line 3959 3959 15:20:53
   MSP      
   LSP End of Line 1424 1424 20:55:59
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1423 - 1423  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3959 - 1424 3959 - 1424 15:20:53-20:55:59 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7m    
   Recording QC Minor airleak on array 5 from sp3140 - no affect on data - no drop in array pressure. Filter delay 5.6ms. Frontsheet Set 3. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1002mB. Gun PI on subarray 2 incorrect reading. Str 8 Bird 1 mask on External Header, occasionally deep, 8.1m.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3971 - 3542 3971 - 3542 1 256  
  3541 - 3112 3541 - 3112 1 257  
  3111 - 2682 3111 - 2682 1 258  
  2681 - 2252 2681 - 2252 1 259  
  2251 - 1822 2251 - 1822 1 260  
  1821 - 1424 1821 - 1424 1 261  
Stream 2
   Shot(s) Files Deck Reel Remark
  3971 - 3542 3971 - 3542 4 256  
  3541 - 3112 3541 - 3112 3 257  
  3111 - 2682 3111 - 2682 4 258  
  2681 - 2252 2681 - 2252 4 259  
  2251 - 1822 2251 - 1822 3 260  
  1821 - 1424 1821 - 1424 4 261  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 304, 1127 Noisy Traces  
3653-3652     3653-3652 491-507 Bird depth out of spec Bird C2-7
2631     2631 2000-2208 Strike noise on strm Strike noise affecting streamer 6
2285-2279     2285-2279 2151 Parity error Parity errors - single channel only
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2301 Fails Crossfeed Fails Crossfeed test: 2301
ALL     ALL 1191, 2164, 2806 Weak Traces Weak trace: 1191, 2164, 2806 more than -6 dB down
ALL     ALL 1-9, 12, 369-374, 377, 737-745, 748-749, 752, 1105-1113, 2209-2210, 2213, 2577 Slope alarm > 5% of total line
3960-3956     3960-3956 NONE Bird depth out of spec Bird C8-1
3953-3914     3953-3914 NONE Bird depth out of spec Bird C8-1
3947     3947 NONE Bird depth out of spec Bird C7-1
3944     3944 NONE Bird depth out of spec Bird C7-1
3941     3941 NONE Bird depth out of spec Bird C6-3
3938     3938 NONE Bird depth out of spec Bird C6-3
3936     3936 NONE Bird depth out of spec Bird C7-1
3831     3831 NONE Bird depth out of spec Bird C7-2
3705     3705 NONE Bird depth out of spec Bird C6-3
3668-3666     3668-3666 NONE Bird depth out of spec Bird C2-7
3659-3654     3659-3654 NONE Bird depth out of spec Bird C2-7
3651-3649     3651-3649 NONE Bird depth out of spec Bird C2-7
3644     3644 NONE Bird depth out of spec Bird C1-8
3642-3640     3642-3640 NONE Bird depth out of spec Bird C1-8
3638-3635     3638-3635 NONE Bird depth out of spec Bird C2-10
3634-3630     3634-3630 NONE Bird depth out of spec Bird C1-8
3633-3629     3633-3629 NONE Bird depth out of spec Bird C8-1
3631-3619     3631-3619 NONE Bird depth out of spec Bird C2-7
3631     3631 NONE Bird depth out of spec Bird C2-10
3629-3628     3629-3628 NONE Bird depth out of spec Bird C2-10
3626-3613     3626-3613 NONE Bird depth out of spec Bird C2-10
3616-3615     3616-3615 NONE Bird depth out of spec Bird C2-7
3616-3609     3616-3609 NONE Bird depth out of spec Bird C2-8
3606-3603     3606-3603 NONE Bird depth out of spec Bird C2-10
3600-3588     3600-3588 NONE Bird depth out of spec Bird C2-10
3580-3579     3580-3579 NONE Bird depth out of spec Bird C2-10
3560     3560 NONE Bird depth out of spec Bird C6-3
3558-3556     3558-3556 NONE Bird depth out of spec Bird C6-3
3554-3553     3554-3553 NONE Bird depth out of spec Bird C6-3
3549-3546     3549-3546 NONE Bird depth out of spec Bird C6-3
3525-3524     3525-3524 NONE Bird depth out of spec Bird C7-2
3230     3230 NONE Bird depth out of spec Bird C7-2
3045     3045 NONE Bird depth out of spec Bird C7-2
3043-3042     3043-3042 NONE Bird depth out of spec Bird C7-2
2923     2923 NONE Bird depth out of spec Bird C7-2
2857     2857 NONE Bird depth out of spec Bird C7-2
2551     2551 NONE Bird depth out of spec Bird C7-2
2549     2549 NONE Bird depth out of spec Bird C7-2
2435     2435 NONE Bird depth out of spec Bird C7-2
2431     2431 NONE Bird depth out of spec Bird C7-2
2089     2089 NONE Bird depth out of spec Bird C4-11
1927     1927 NONE Bird depth out of spec Bird C2-16
1850-1849     1850-1849 NONE Bird depth out of spec Bird C6-3
1846     1846 NONE Bird depth out of spec Bird C8-1
1825     1825 NONE Bird depth out of spec Bird C7-2
1788     1788 NONE Bird depth out of spec Bird C8-1
1780     1780 NONE Bird depth out of spec Bird C2-16
1719-1714     1719-1714 NONE Bird depth out of spec Bird C7-4
1664     1664 NONE Bird depth out of spec Bird C6-3
1530-1523     1530-1523 NONE Bird depth out of spec Bird C6-3
1522-1518     1522-1518 NONE Bird depth out of spec Bird C2-3
1521     1521 NONE Bird depth out of spec Bird C6-3
1515     1515 NONE Bird depth out of spec Bird C2-3
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 00:49:55utc 18-Nov-2001