ACQUISITION REPORT Sequence-0183
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2384J183
  Preplot G01A2384
  Direction 198.0°
  SOL Date 16:14:51utc 06-Jan-2002
  EOL Date 18:35:04utc 06-Jan-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir ENE
   Swell Height 1.5 [meters] Dir NE
   Propellor rpm 122 [avg]  
   Propellor pitch 92 [avg]  
       
  SOL EOL  
   Waterdepth 41.0 47.0 [meters]
   Bottomspeed  4.9 4.7 [knots]
   Featherangle sb +5.3 sb +1.7 [deg]
   Cable noise 5.39 6.09 [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)   3566 - 3565  
   SOL Dummy Record(s) 3564 - 3555 3564 - 3555 16:13:37 - 16:14:43
   FSP Start of Line 3554 3554 16:14:51
   MSP      
   LSP End of Line 2415 2415 18:35:04
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2414 - 2414  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3554 - 2415 3554 - 2415 16:14:51-18:35:04 Infill 16 Valid Last Shotpoint # 2415 to avoid rig ahead.
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1015mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. Last recorded SP = 2415 d/t rig ahead.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3566 - 3137 3566 - 3137 2 759  
  3136 - 2707 3136 - 2707 2 760  
  2706 - 2414 2706 - 2414 2 761 Only one noise file recorded # 2414
Stream 2
   Shot(s) Files Deck Reel Remark
  3566 - 3137 3566 - 3137 3 759  
  3136 - 2707 3136 - 2707 4 760  
  2706 - 2414 2706 - 2414 3 761 Only one noise file recorded # 2414

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL-2416 1255 Killed traces  
ALL     ALL-2416 1853 Killed traces  
ALL     ALL 1159 Noisy Trace(s)  
ALL     ALL 1657, 2307, 2731 Spiking Channels  
2985     2985 ALL Gun timing error Gun 1-2 error (ms) : -2.1
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Fails crossfeed test  
ALL     ALL 1-7, 9, 12, 369-374, 376-377, 737-742, 744-745, 748, 1105-1113, 1126, 1130, 2209-2218, 2577 Slope alarm > 5% of total line
Comment
Shot(s)     File(s) Trace(s) Type Remark
2415     2415 ALL   Last shotpoint recorded to avoid rig ahead.


 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 01:49:20utc 07-Jan-2002