ACQUISITION REPORT Sequence-0193
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2384K193
  Preplot G01A2384
  Direction 198.0°
  SOL Date 01:35:17utc 15-Jan-2002
  EOL Date 03:33:05utc 15-Jan-2002
 Attributes:  
   Wind Force 8.0 [knots] Dir SW
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 95 [avg]  
       
  SOL EOL  
   Waterdepth 48.0 50.0 [meters]
   Bottomspeed  4.6 4.6 [knots]
   Featherangle sb +5.1 sb +2.9 [deg]
   Cable noise 5.1 7.1 [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)      
   SOL Dummy Record(s)      
   FSP Start of Line 2410 2410 01:35:17
   MSP      
   LSP End of Line 1514 1514 03:33:05
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1513 - 1513  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2410 - 1514 2410 - 1514 01:35:17-03:33:05 Infill 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC SOL NOISE APPROXIMATE - SOL noise not recorded D/T early line start D/T feather change. BIRD 3-12 BAD D/T. 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. All gun depths slightly erratic d/t swell. Occ swell noise bursts seen on all cables.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2410 - 1981 2410 - 1981 1 790  
  1980 - 1551 1980 - 1551 2 791  
  1550 - 1513 1550 - 1513 1 792  
Stream 2
   Shot(s) Files Deck Reel Remark
  2410 - 1981 2410 - 1981 3 790  
  1980 - 1551 1980 - 1551 4 791  
  1550 - 1513 1550 - 1513 3 792  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1159 noisy trace  
ALL     ALL 1255 killed trace  
ALL     ALL 1853 killed trace  
ALL     ALL 2641 Spiking Trace(s)  
2222-2217     2222-2217 395-411 Bird depth out of spec Bird C2-3
2220-2218     2220-2218 27-43 Bird depth out of spec Bird C1-3
2219-2217     2219-2217 419-435 Bird depth out of spec Bird C2-4
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1, 4-5, 9, 369-373, 737-738, 741, 744, 1105, 2209-2218, 2577, 2585 Slope alarm > 5% of total line
2409-1515     2409-1515 ALL Slope overload  
2220-2217     2220-2217 NONE Bird depth out of spec Bird C1-4
2217-2213     2217-2213 NONE Bird depth out of spec Bird C1-3
2216-2209     2216-2209 NONE Bird depth out of spec Bird C2-3
2210-2150     2210-2150 ALL Turn noise minor turn noise on nears d/t manovouring around platform
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 21:50:18utc 15-Jan-2002