ACQUISITION REPORT Sequence-0443
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4272C443
  Preplot G01A4272
  Direction 18.0°
  SOL Date 03:27:29utc 14-May-2002
  EOL Date 05:37:23utc 14-May-2002
 Attributes:  
   Wind Force 0.0 [knots] Dir S
   Swell Height 0.5 [meters] Dir S
   Propellor rpm 122 [avg]  
   Propellor pitch 90 [avg]  
       
  SOL EOL  
   Waterdepth 78.0 74.4 [meters]
   Bottomspeed  3.4 4.2 [knots]
   Featherangle port -5.2 sb +3.1 [deg]
   Cable noise 6.05 5.66 [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)   1609 - 1610  
   SOL Dummy Record(s) 1611 - 1640 1611 - 1640 03:22:12 - 03:27:19
   FSP Start of Line 1641 1641 03:27:29
   MSP      
   LSP End of Line 2549 2549 05:37:23
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2550 - 2551  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1641 - 1799 1641 - 1799 03:27:29-03:51:18 Reshoot 16 Valid  
    1800 - 2549 1800 - 2549 03:51:26-05:37:23 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 from rigs on records. NFH 2-2 dead.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1609 - 2038 1609 - 2038 1 1828  
  2039 - 2468 2039 - 2468 1 1829  
  2469 - 2551 2469 - 2551 2 1830  
Stream 2
   Shot(s) Files Deck Reel Remark
  1609 - 2038 1609 - 2038 3 1828  
  2039 - 2468 2039 - 2468 4 1829  
  2469 - 2551 2469 - 2551 3 1830  

Seismic Data Annotations

NTBP
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 337, 349, 791, 1553 Spiking Trace(s)  
ALL     ALL 1857 Noisy Trace(s)  
ALL     ALL- 744, 2764 Killed traces  
1658-1664     1658-1664 2603-2619 Bird depth out of spec Bird C8-3, max depth 9.6m
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1316 PS Test Fails PS test
1647-1671     1647-1671 2259-2275 Bird depth out of spec Bird C7-4
1647-1657     1647-1657 2603-2619 Bird depth out of spec Bird C8-3
1655-1665     1655-1665 2627-2643 Bird depth out of spec Bird C8-4
2171     2171 ALL Gun timing error Gun 2-1 error (ms) : -1.6
Comment
Shot(s)     File(s) Trace(s) Type Remark
1641     1641 ALL Line Information First Reshoot SP
1800     1800 ALL Line Information First Infill SP


 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 05:57:12utc 14-May-2002