ACQUISITION REPORT Sequence-0346
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4640B346
  Preplot G01A4640
  Direction 18.0°
  SOL Date 04:32:49utc 08-Apr-2002
  EOL Date 05:22:25utc 08-Apr-2002
 Attributes:  
   Wind Force 22.0 [knots] Dir ENE
   Swell Height 1.5 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 74.0 65.0 [meters]
   Bottomspeed  3.54 3.6 [knots]
   Featherangle port -0.4 port -3.4 [deg]
   Cable noise 17.42 11.35 [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)   3743 - 3744  
   SOL Dummy Record(s) 3745 - 3754 3745 - 3754 04:31:01 - 04:32:38
   FSP Start of Line 3755 3755 04:32:49
   MSP      
   LSP End of Line 4042 4042 05:22:25
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4043 - 4044  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3755 - 3764 3755 - 3764 04:32:49-04:34:27 Reshoot 16 Valid First Overlap
    3765 - 3994 3765 - 3994 04:34:37-05:14:07 Reshoot 16 Valid Reshoot of seq 334, ref: streamer edits.
    3995 - 4022 3995 - 4022 05:14:17-05:18:57 Reshoot 16 Valid Overlap to makeup 5km segment.
    4023 - 4042 4023 - 4042 05:19:07-05:22:25 Reshoot 16 Scratched NTBP- not required.
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1022mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP. All gun DI's slightly erratic d/t swell.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3743 - 4044 3743 - 4044 1 1425  
Stream 2
   Shot(s) Files Deck Reel Remark
  3743 - 4044 3743 - 4044 3 1425  
Stream 1001
   Shot(s) Files Deck Reel Remark
  3615 - 4050 9999 - 4046 1001 1  

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 2265, 1801, 1553 Spiking Trace(s)  
ALL     ALL 1159, 2871 Noisy Trace(s)  
3769-3785     3769-3785 2627-2643 Bird depth out of spec Bird C8-4
3775-3786     3775-3786 2675-2691 Bird depth out of spec Bird C8-6
3777-3781     3777-3781 2651-2667 Bird depth out of spec Bird C8-5
3884-3889     3884-3889 2627-2643 Bird depth out of spec Bird C8-4
3892-3894     3892-3894 2675-2691 Bird depth out of spec Bird C8-6
3940-3948     3940-3948 NONE Bird depth out of spec Bird C8-4
3943-3956     3943-3956 NONE Bird depth out of spec Bird C8-6
3957-3988     3957-3988 NONE Bird depth out of spec Bird C8-4
4031-4032     4031-4032 NONE Bird depth out of spec Bird C8-3
4032-4033     4032-4033 NONE Bird depth out of spec Bird C8-4
4035-4042     4035-4042 NONE Bird depth out of spec Bird C7-4
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL ALL   Swell noise seen on all cables approx 20 % approx 8µb
3808-3831     3808-3831 2675-2691 Bird depth out of spec Bird C8-6
3844-3860     3844-3860 1473-1477 Bird depth out of spec Bird C1-5
3879-3890     3879-3890 2603-2619 Bird depth out of spec Bird C8-3
3895-3906     3895-3906 NONE Bird depth out of spec Bird C8-6
3926-3950     3926-3950 NONE Bird depth out of spec Bird C8-3
3929-3942     3929-3942 NONE Bird depth out of spec Bird C8-6
3938-3951     3938-3951 NONE Bird depth out of spec Bird C8-5
3946-3959     3946-3959 NONE Bird depth out of spec Bird C7-4
3948-3966     3948-3966 NONE Bird depth out of spec Bird C7-3
3955-3956     3955-3956 NONE Bird depth out of spec Bird C8-4
3957-3962     3957-3962 NONE Bird depth out of spec Bird C8-6
3962-3979     3962-3979 NONE Bird depth out of spec Bird C8-5
4018-4028     4018-4028 NONE Bird depth out of spec Bird C7-5
4022-4041     4022-4041 NONE Bird depth out of spec Bird C7-3
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 06:53:14utc 08-Apr-2002