ACQUISITION REPORT Sequence-0441
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4096L441
  Preplot G01A4096
  Direction 18.0°
  SOL Date 18:02:35utc 13-May-2002
  EOL Date 19:19:25utc 13-May-2002
 Attributes:  
   Wind Force 5.0 [knots] Dir SE
   Swell Height 1.0 [meters] Dir SSE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 61.0 53.0 [meters]
   Bottomspeed  4.9 4.8 [knots]
   Featherangle sb +1.8 sb +4.6 [deg]
   Cable noise 5.19 17.3 [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)   2599 - 2600  
   SOL Dummy Record(s) 2601 - 2630 2601 - 2630 17:58:52 - 18:02:27
   FSP Start of Line 2631 2631 18:02:35
   MSP      
   LSP End of Line 3240 3240 19:19:25
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4298 - 4299  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2631 - 3240 2631 - 3240 18:02:35-19:19:25 Infill 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m.    
   Recording QC Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1027mB. Low frequency strumming Str 6 channels 1841 - 1875. Side swipes present at record. SP 3120 start turning to avoid Rig. LSP 3240.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2599 - 3028 2599 - 3028 1 1824  
  3029 - 4299 3029 - 4299 2 1825  
Stream 2
   Shot(s) Files Deck Reel Remark
  2599 - 3028 2599 - 3028 4 1824  
  3029 - 4299 3029 - 4299 3 1825  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 744, 2764 Killed traces  
ALL     ALL 791, 337, 349, 1553 Spiking Trace(s)  
ALL     ALL 1633, 2782 Weak Trace(s) Trace signal less than -3dB of nominal value
ALL     ALL 1857 Noisy Trace(s)  
3210-3240     3210-3240 1473-1538 Streamer noise Bend noise d/t Rig
3210-3240     3210-3240 1841-1912 Streamer noise Bend noise d/t Rig
3216-3240     3216-3240 1105-1162 Streamer noise Bend noise d/t Rig
3217-3240     3217-3240 737-794 Streamer noise Bend noise d/t Rig
3218-3240     3218-3240 2209-2279 Streamer noise Bend noise d/t Rig
3220-3240     3220-3240 2577-2652 Streamer noise Bend noise d/t Rig
3221-3240     3221-3240 369-424 Streamer noise Bend noise d/t Rig
3225-3240     3225-3240 1-51 Streamer noise Bend noise d/t Rig
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1316 Failed Instrument Test Failed on PreAmp Sensitivity Test
ALL     ALL 1-17, 20, 22, 369-385, 388-390, 393, 1105-1123, 1125-1126, 1130-1135, 1473-1474, 1476-1491, 1493-1495, 1508, 1841-1857, 1860, 1862, 1864, 1867, 1873, 1875, 2209-2226, 2229-2232, 2577-2593, 2602 Slope alarm > 5% of total line
2951-2960     2951-2960 2651-2667 Bird depth out of spec Bird C8-5
2962-2977     2962-2977 2675-2691 Bird depth out of spec Bird C8-6
3107-3120     3107-3120 2699-2715 Bird depth out of spec Bird C8-7
3160-3175     3160-3175 2307-2323 Bird depth out of spec Bird C7-6
3164-3173     3164-3173 2603-2619 Bird depth out of spec Bird C8-3
3189-3206     3189-3206 51-67 Bird depth out of spec Bird C1-4
Comment
Shot(s)     File(s) Trace(s) Type Remark
3120     3120 ALL   start turning to avoid Rig


 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 19:47:57utc 13-May-2002