ACQUISITION REPORT Sequence-0277
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1840J277
  Preplot G01A1840
  Direction 198.0°
  SOL Date 18:16:05utc 14-Feb-2002
  EOL Date 21:36:51utc 14-Feb-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir ENE
   Swell Height 0.75 [meters] Dir ENE
   Propellor rpm 122 [avg]  
   Propellor pitch 95 [avg]  
       
  SOL EOL  
   Waterdepth 37.0 42.9 [meters]
   Bottomspeed  4.5 3.4 [knots]
   Featherangle sb +4.7 sb +5.0 [deg]
   Cable noise 9.3 23.9 [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)   3067 - 3066  
   SOL Dummy Record(s) 3065 - 3036 3065 - 3036 18:12:03 - 18:15:57
   FSP Start of Line 3035 3035 18:16:05
   MSP      
   LSP End of Line 1670 1670 21:36:51
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1027 - 1026  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3035 - 1670 3035 - 1670 18:16:05-21:36:51 Infill 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m. Noise on stremers due to rig break away    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1018mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB Guns firing on ODD SP.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3067 - 2638 3067 - 2638 2 1112  
  2637 - 2208 2637 - 2208 1 1113  
  2207 - 1778 2207 - 1778 2 1114  
  1777 - 1670 1777 - 1670 1 1115 No end of tape marker
Stream 2
   Shot(s) Files Deck Reel Remark
  3067 - 2638 3067 - 2638 3 1112  
  2637 - 2208 2637 - 2208 4 1113  
  2207 - 1778 2207 - 1778 3 1114  
  1777 - 1670 1777 - 1670 4 1115 No end of tape marker

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2662 Killed Trace(s)  
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1657, 2641, 2782, 2307 Spiking Trace(s)  
ALL     ALL 1495 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Crossfeed Fails Crossfeed Test
1710-1670     1710-1670 0-100 Noisy Trace(s) Noise due to rig break away
1707-1670     1707-1670 1105-1212 Noisy Trace(s) Noise due to rig break away
1705-1670     1705-1670 1473-1564 Noisy Trace(s) Noise due to rig break away
1705-1670     1705-1670 1841-1948 Noisy Trace(s) Noise due to rig break away
1705-1670     1705-1670 737-840 Noisy Trace(s) Noise due to rig break away
1703-1670     1703-1670 369-465 Noisy Trace(s) Noise due to rig break away
1703-1670     1703-1670 2209-2306 Noisy Trace(s) Noise due to rig break away
1700-1670     1700-1670 2577-2676 Noisy Trace(s) Noise due to rig break away
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 23:05:37utc 14-Feb-2002