ACQUISITION REPORT Sequence-0176
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2304B176
  Preplot G01A2304
  Direction 18.0°
  SOL Date 16:52:08utc 04-Jan-2002
  EOL Date 18:41:09utc 04-Jan-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir W
   Swell Height 1.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 44.0 39.0 [meters]
   Bottomspeed  0.0 4.3 [knots]
   Featherangle port -6.3 port -3.4 [deg]
   Cable noise 6.8 6.0 [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 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)   2419 - 2869  
   SOL Dummy Record(s) 2421 - 2821 2421 - 2821 15:36:27 - 16:43:52
   FSP Start of Line 2870 2870 16:52:08
   MSP      
   LSP End of Line 3621 3621 18:41:09
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3622 - 3623  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2870 - 3621 2870 - 3621 16:52:08-18:41:09 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC FGSP 2870 D/T AIRLEAK PRIOR TO SOL 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. Tailbouy tugging noise present on all records.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2868 - 3297 2868 - 3297 1 727  
  3298 - 3623 3298 - 3623 2 728  
Stream 2
   Shot(s) Files Deck Reel Remark
  2868 - 3297 2868 - 3297 3 727  
  3298 - 3623 3298 - 3623 4 728  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1657, 2307, 2731 Spiking Trace(s)  
ALL     ALL 1159, 2871 Noisy Trace(s)  
ALL     ALL 1255, 1853 Killed traces  
2860-3070     3070 203 Killed Traces  
2869       ALL Gun timing error Gun 3-5 error (ms) : -1.2
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Crossfeed Fails crossfeed test
ALL     ALL 1-12, 369-374, 376-377, 379, 737-749, 751-752, 758, 764, 1105-1113, 1473, 2209-2211, 2213-2214, 2216-2219, 2223, 2225 Slope alarm > 5% of total line
2870-2879     2870-2879 195-211 Bird depth out of spec Bird C1-10
2883-2884     2883-2884 195-211 Bird depth out of spec Bird C1-10
2888-2890     2888-2890 195-211 Bird depth out of spec Bird C1-10
2894-2896     2894-2896 195-211 Bird depth out of spec Bird C1-10
2901     2901 195-211 Bird depth out of spec Bird C1-10
2904-2908     2904-2908 195-211 Bird depth out of spec Bird C1-10
2911-2943     2911-2943 195-211 Bird depth out of spec Bird C1-10
2953-2954     2953-2954 195-211 Bird depth out of spec Bird C1-10
2993     2993 ALL Gun timing error Gun 3-5 error (ms) : -1.3
2997     2997 ALL Gun timing error Gun 3-5 error (ms) : -1.2
3007     3007 ALL Gun timing error Gun 3-5 error (ms) : -1.3
3227     3227 ALL Gun timing error Gun 3-5 error (ms) : -1.1
3249     3249 ALL Gun timing error Gun 1-2 error (ms) : -1.9
3303     3303 ALL Gun timing error Gun 3-5 error (ms) : -1.2
3307     3307 ALL Gun timing error Gun 3-5 error (ms) : -1.3
3447     3447 ALL Gun timing error Gun 3-5 error (ms) : -1.2
Comment
Shot(s)     File(s) Trace(s) Type Remark
3071     3071 203 Killed traces Trace recoverd


 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 10:53:16utc 05-Jan-2002