ACQUISITION REPORT Sequence-0086
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2848J086
  Preplot G01A2848
  Direction 18.0°
  SOL Date 19:10:56utc 27-Nov-2001
  EOL Date 20:22:15utc 27-Nov-2001
 Attributes:  
   Wind Force 7.0 [knots] Dir SW
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 54.0 50.0 [meters]
   Bottomspeed  4.9 5.0 [knots]
   Featherangle port -1.7 sb +1.0 [deg]
   Cable noise 5.3 5.6 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]

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)   2007 - 2008  
   SOL Dummy Record(s) 2009 - 2018 2009 - 2018 19:09:43 - 19:10:49
   FSP Start of Line 2019 2019 19:10:56
   MSP      
   LSP End of Line 2600 2600 20:22:15
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3985 - 3986  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2019 - 2048 2019 - 2048 19:10:56-19:14:30 Infill 16 Valid Invalid sp range d/t coverage already shot
    2049 - 2600 2049 - 2600 19:14:37-20:22:15 Infill 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1021mB. Str 8 Bird 1 mask on External Header, occasionally deep, 8.1m. Gun DI 6-1 running occ deep.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2007 - 2216 2007 - 2216 1 330  
  2217 - 3986 2217 - 3986 1 331  
Stream 2
   Shot(s) Files Deck Reel Remark
  2007 - 2216 2007 - 2216 3 330  
  2217 - 3986 2217 - 3986 4 331  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2220 Killed traces  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2301 Fails Crossfeed  
ALL     ALL 1191 Weak trace Weak trace: 1191, more than -6 dB down
ALL     ALL 304, 414, 839, 1127 Noisy Channels  
ALL     ALL 1-12, 15, 369-377, 379, 737-745, 748, 1105-1106, 1109, 1112-1113, 1841-1843, 1845, 2577 Slope alarm > 5% of total line
2210     2210 NONE Bird depth out of spec Bird C7-1
2220-2222     2220-2222 NONE Bird depth out of spec Bird C7-7
2237-2238     2237-2238 NONE Bird depth out of spec Bird C7-1
2278-2283     2278-2283 NONE Bird depth out of spec Bird C7-7
2303-2304     2303-2304 NONE Bird depth out of spec Bird C7-7
2436     2436 NONE Bird depth out of spec Bird C8-4
2440-2442     2440-2442 NONE Bird depth out of spec Bird C8-5
2506     2506 NONE Bird depth out of spec Bird C7-1
2508-2511     2508-2511 NONE Bird depth out of spec Bird C7-1
2549     2549 NONE Bird depth out of spec Bird C7-1
2564     2564 NONE Bird depth out of spec Bird C7-1
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE Streamer depth Bird 1 cables 7 and 8 occ running deep 8 mtrs


 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 00:15:13utc 28-Nov-2001