ACQUISITION REPORT Sequence-0282
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1824A282
  Preplot G01A1824
  Direction 198.0°
  SOL Date 15:19:56utc 15-Feb-2002
  EOL Date 18:30:46utc 15-Feb-2002
 Attributes:  
   Wind Force 8.0 [knots] Dir SW
   Swell Height 1.0 [meters] Dir E
   Propellor rpm 122 [avg]  
   Propellor pitch 90 [avg]  
       
  SOL EOL  
   Waterdepth 36.9 45.0 [meters]
   Bottomspeed  4.5 2.5 [knots]
   Featherangle sb +1.4 0.0 [deg]
   Cable noise 4.2 36.45 [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)   3051 - 3050  
   SOL Dummy Record(s) 3049 - 3020 3049 - 3020 15:15:52 - 15:19:48
   FSP Start of Line 3019 3019 15:19:56
   MSP      
   LSP End of Line 1710 1710 18:30:46
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1012 - 1011  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3019 - 1710 3019 - 1710 15:19:56-18:30:46 Prime 16 Valid Line Aborted for Rig Pass
 Remarks:      
   Navigation Streamer depth at 7.0m, Heavy bend noise on EOL noise    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1006mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3051 - 2622 3051 - 2622 1 1123  
  2621 - 2192 2621 - 2192 2 1124  
  2191 - 1762 2191 - 1762 1 1125  
  1761 - 1011 1761 - 1011 2 1126  
Stream 2
   Shot(s) Files Deck Reel Remark
  3051 - 2622 3051 - 2622 4 1123  
  2621 - 2192 2621 - 2192 3 1124  
  2191 - 1762 2191 - 1762 3 1125  
  1761 - 1011 1761 - 1011 3 1126  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2662 Killed Trace(s)  
ALL     ALL 109, 1657, 2641, 2782, 2307 Spiking Trace(s)  
ALL     ALL 1495 Noisy Trace(s)  
ALL     ALL 1476, 1633 Weak Trace(s) Trace signal less than -6dB of nominal value
1743-1710     1743-1710 1105-1191 Streamer noise Low frequency, high amplitude noise due to Turn
1740-1710     1740-1710 1-107 Streamer noise Low frequency, high amplitude noise due to Turn
1740-1710     1740-1710 1841-1935 Streamer noise Low frequency, high amplitude noise due to Turn
1739-1710     1739-1710 737-835 Streamer noise Low frequency, high amplitude noise due to Turn
1736-1710     1736-1710 1473-1576 Streamer noise Low frequency, high amplitude noise due to Turn
1734-1710     1734-1710 369-473 Streamer noise Low frequency, high amplitude noise due to Turn
1732-1710     1732-1710 2209-2292 Streamer noise Low frequency, high amplitude noise due to Turn
1729-1710     1729-1710 2577-2659 Streamer noise Low frequency, high amplitude noise due to Turn
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Crossfeed Fails Crossfeed Test
ALL     ALL 1-9, 11-12, 16, 369-374, 377, 737-739, 741, 744-745, 748, 1105-1113, 1125-1126, 1130, 1135, 1841-1850, 1852-1853, 1855-1856, 1861, 2209-2220, 2223-2224, 2577, 2585, 2587-2588, 2602 Slope alarm > 5% of total line
1747     1747 ALL Streamer noise Low amplitude bend noise affecting front of cables 1-4
Comment
Shot(s)     File(s) Trace(s) Type Remark
1770     1770 ALL Line Information Begin Turn 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 18:58:55utc 15-Feb-2002