ACQUISITION REPORT Sequence-0035
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2832A035
  Preplot G01A2832
  Direction 18.0°
  SOL Date 00:05:42utc 05-Nov-2001
  EOL Date 03:48:37utc 05-Nov-2001
 Attributes:  
   Wind Force 5.0 [knots] Dir NE
   Swell Height 1.5 [meters] Dir NE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 54.0 45.0 [meters]
   Bottomspeed  4.8 4.5 [knots]
   Featherangle port -2.5 port -3.6 [deg]
   Cable noise 7.9 0.0 [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 2.0 0001 0001-0001 0001 0001 - 0001 0.00
2 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0036 0001-0036 0036 0001 - 0036 0.00
3 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0036 0001-0036 0036 0001 - 0036 0.00
4 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0001 0001-0001 0001 0001 - 0001 0.00
5 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0001-0368 0368 0001 - 0368 5.60
6 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0369-0736 0368 0369 - 0736 5.60
7 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0737-1104 0368 0737 - 1104 5.60
8 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1105-1472 0368 1105 - 1472 5.60
9 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1473-1840 0368 1473 - 1840 5.60
10 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1841-2208 0368 1841 - 2208 5.60
11 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 2209-2576 0368 2209 - 2576 5.60
12 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 00:04:25 - 00:05:34
   FSP Start of Line 2019 2019 00:05:42
   MSP      
   LSP End of Line 3720 3720 03:48:37
   EOL Dummy Record(s)      
   EOL Noise Record(s)      
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2019 - 3011 2019 - 3011 00:05:42-02:13:52 Prime 16 Valid Line aborted d/t whales
    3012 - 3720 3012 - 3720 02:14:00-03:48:37 Prime 16 Scratched NTBP D/T Whales on prospect
 Remarks:      
   Navigation Streamer depth at 7m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 3. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1015mB. Str 8 Bird 1 mask on External Header, occasionally deep, 8.1m. Gun PI string 2 occ erratic. Str 6 bird 3 occasionally running shallow 5.8-5.9m. LGSP 3011 d/t whales.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2007 - 2436 2007 - 2436 2 148  
  2437 - 2866 2437 - 2866 1 149  
  2867 - 3720 2867 - 3720 2 150 LGSP 3011 d/t whales
Stream 2
   Shot(s) Files Deck Reel Remark
  2007 - 2436 2007 - 2436 4 148  
  2437 - 2866 2437 - 2866 3 149  
  2867 - 3720 2867 - 3720 4 150 LGSP 3011 d/t whales

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL-3720 2819 Killed trace  
ALL     ALL 304, 1127, 2775 Noisy Traces  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1191, 1948 Weak trace Slightly weak trace
ALL     ALL 2301 Fails X-feed Fails crossfeed test
ALL     ALL 9, 369-371, 737-742, 744-745, 748, 1105-1110, 1112-1113, 1841, 2210 Slope alarm > 5% of total line
2153     2153 NONE Bird depth out of spec Bird C6-4
2949     2949 ALL Gun timing error Gun 3-2 error (ms) : -1.6
Comment
Shot(s)     File(s) Trace(s) Type Remark
3011     3011 ALL LGSP Line aborted d/t whales


 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 21:42:48utc 05-Nov-2001