ACQUISITION REPORT Sequence-0197
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2400J197
  Preplot G01A2400
  Direction 18.0°
  SOL Date 10:26:59utc 16-Jan-2002
  EOL Date 11:23:23utc 16-Jan-2002
 Attributes:  
   Wind Force 14.0 [knots] Dir E
   Swell Height 1.0 [meters] Dir E
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 48.0 46.0 [meters]
   Bottomspeed  4.4 4.4 [knots]
   Featherangle sb +0.4 sb +5.4 [deg]
   Cable noise 6.6 17.2 [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)   1838 - 1839  
   SOL Dummy Record(s) 1840 - 1849 1840 - 1849 10:25:38 - 10:26:51
   FSP Start of Line 1850 1850 10:26:59
   MSP      
   LSP End of Line 2250 2250 11:23:23
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2288 - 2289  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1850 - 2250 1850 - 2250 10:26:59-11:23:23 Infill 16 Valid Line shot in opposite direction to original sequence
 Remarks:      
   Navigation Streamer depth at 7m. Deadhead of Whiting Platform from the South.    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1020mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. Bird 3-12 bad DT. Bird 4-15 dead. Cable 7,8 bird 1 occ running at 8.5 mtrs. Line stopped @ sp 2250 d/t Whiting platform/Vsl no longer aquiring coverage    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1838 - 2289 1838 - 2289 2 805  
Stream 2
   Shot(s) Files Deck Reel Remark
  1838 - 2289 1838 - 2289 3 805  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1255 Killed traces  
ALL     ALL 1853 Killed traces  
ALL     ALL 2641 Killed traces  
ALL     ALL 1159 Noisy Channel  
2161-2250     2161-2250 1841-2004 Noisy Trace(s) Noisy channels d/t vsl turning offline to avoid platform
2170-2250     2170-2250 737-900 Noisy Trace(s) Noisy channels d/t vsl turning offline to avoid platform
2174-2250     2174-2250 1105-1230 Noisy Trace(s) Noisy channels d/t vsl turning offline to avoid platform
2182-2250     2182-2250 2209-2373 Noisy Trace(s) Noisy channels d/t vsl turning offline to avoid platform
2183-2250     2183-2250 1473-1595 Noisy Trace(s) Noisy channels d/t vsl turning offline to avoid platform
2190-2250     2190-2250 1-178 Noisy Trace(s) Noisy channels d/t vsl turning offline to avoid platform
2190-2250     2190-2250 369-542 Noisy Trace(s) Noisy channels d/t vsl turning offline to avoid platform
2190-2250     2190-2250 2577-2246 Noisy Trace(s) Noisy channels d/t vsl turning offline to avoid platform
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Fails Crossfeed  
ALL     ALL 1, 4-5, 9, 369-374, 377, 737-742, 744, 1105-1106, 2209-2214, 2216-2218, 2223 Slope alarm > 5% of total line
2191-2192     2191-2192 NONE Bird depth out of spec Bird C2-4
2193-2203     2193-2203 NONE Bird depth out of spec Bird C2-3
2194-2200     2194-2200 NONE Bird depth out of spec Bird C1-3
2195-2198     2195-2198 NONE Bird depth out of spec Bird C1-4
2196-2201     2196-2201 NONE Bird depth out of spec Bird C2-4
2198     2198 NONE Bird depth out of spec Bird C1-5
2198-2199     2198-2199 NONE Bird depth out of spec Bird C2-5
2200-2201     2200-2201 NONE Bird depth out of spec Bird C1-5
2201-2203     2201-2203 NONE Bird depth out of spec Bird C2-5
Comment
Shot(s)     File(s) Trace(s) Type Remark
2120     2120 ALL Turning off line Vessel turning off line to port to avoid Whiting platform
2250     2250 NONE LIne Stopped Line stopped d/t Whiting Platform/Vsl no longer aquiring coverage.


 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 21:05:20utc 16-Jan-2002