ACQUISITION REPORT Sequence-0375
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4448A375
  Preplot G01A4448
  Direction 18.0°
  SOL Date 12:45:53utc 23-Apr-2002
  EOL Date 18:38:51utc 23-Apr-2002
 Attributes:  
   Wind Force 8.0 [knots] Dir NE
   Swell Height 1.5 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 114.0 53.0 [meters]
   Bottomspeed  4.0 4.3 [knots]
   Featherangle sb +0.7 sb +2.5 [deg]
   Cable noise 6.2 5.5 [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
0 STBD -345.0 25.0 -6.0 0.0 0 0
0 STBD -345.0 -25.0 -6.0 0.0 0 0

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)   1680 - 1681  
   SOL Dummy Record(s) 1682 - 1711 1682 - 1711 12:41:36 - 12:45:45
   FSP Start of Line 1712 1712 12:45:53
   MSP      
   LSP End of Line 4312 4312 18:38:51
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4313 - 4314  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1712 - 4312 1712 - 4312 12:45:53-18:38:51 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1019mB, pressure now 1015mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1680 - 2109 1680 - 2109 1 1582  
  2110 - 2539 2110 - 2539 2 1583  
  2540 - 2969 2540 - 2969 1 1584  
  2970 - 3399 2970 - 3399 2 1585  
  3400 - 3829 3400 - 3829 1 1586  
  3830 - 4259 3830 - 4259 2 1587  
  4260 - 4314 4260 - 4314 1 1588  
Stream 2
   Shot(s) Files Deck Reel Remark
  1680 - 2109 1680 - 2109 3 1582  
  2110 - 2539 2110 - 2539 4 1583  
  2540 - 2969 2540 - 2969 3 1584  
  2970 - 3399 2970 - 3399 4 1585  
  3400 - 3829 3400 - 3829 3 1586  
  3830 - 4259 3830 - 4259 4 1587  
  4260 - 4314 4260 - 4314 3 1588  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 744 Killed Trace(s)  
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 11, 1553, 1797, 1801, 2265 Spiking Trace(s)  
ALL     ALL 1159, 1857, 2827, 2871 Noisy Trace(s)  
3065-3076     3065-3076 2627-2643 Bird depth out of spec Bird C8-4, max depth 9.8m
3132-3139     3132-3139 2259-2275 Bird depth out of spec Bird C7-4, max depth 9.6m
3347-3355     3347-3355 539-555 Bird depth out of spec Bird C2-9, min dept 4.5m
3369-3373     3369-3373 2259-2275 Bird depth out of spec Bird C7-4, max dept 9.5m
4064-4071     4064-4071 2627-2643 Bird depth out of spec Bird C8-4, max depth 9,3m
4065-4072     4065-4072 2651-2667 Bird depth out of spec Bird C8-5, max depth 9.5m
4071-4087     4071-4087 2675-2691 Bird depth out of spec Bird C8-6, max depth 9.5m
4272-4281     4272-4281 2627-2643 Bird depth out of spec Bird C8-4, max depth 10.1m
4277-4291     4277-4291 2259-2275 Bird depth out of spec Bird C7-4, max depth 9.8m
4278-4289     4278-4289 2675-2691 Bird depth out of spec Bird C8-6, max depth 9.5m
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2195-2208 No Communication Bird C6-17 Dead
ALL     ALL 195-211 Intermittant Communication Bird C1-10 Intermittant
ALL     ALL 1-13, 16-17, 369-383, 390, 405, 1105-1113, 1126, 1130, 1134-1135, 1841-1856, 1860, 2209-2220, 2222-2226, 2229, 2232, 2577, 2584-2589, 2602 Slope alarm > 5% of total line
1726     1726 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1798     1798 ALL Gun timing error Gun 5-4 error (ms) : 1.1
1980-1994     1980-1994 2283-2299 Bird depth out of spec Bird C7-5
1983-1994     1983-1994 2307-2323 Bird depth out of spec Bird C7-6
2031-2041     2031-2041 51-67 Bird depth out of spec Bird C1-4
2088-2115     2088-2115 1643-1659 Bird depth out of spec Bird C5-9
2207-2220     2207-2220 51-67 Bird depth out of spec Bird C1-4
2331-2345     2331-2345 539-555 Bird depth out of spec Bird C2-9
2684-2695     2684-2695 539-555 Bird depth out of spec Bird C2-9
2698-2712     2698-2712 539-555 Bird depth out of spec Bird C2-9
2714-2724     2714-2724 539-555 Bird depth out of spec Bird C2-9
2759-2778     2759-2778 539-555 Bird depth out of spec Bird C2-9
2923-2936     2923-2936 539-555 Bird depth out of spec Bird C2-9
2966-2983     2966-2983 539-555 Bird depth out of spec Bird C2-9
3130-3152     3130-3152 2627-2643 Bird depth out of spec Bird C8-4
3138-3148     3138-3148 2603-2619 Bird depth out of spec Bird C8-3
3166-3176     3166-3176 2259-2275 Bird depth out of spec Bird C7-4
3333     3333 ALL Gun timing error Gun 1-2 error (ms) : -1.6
3354-3365     3354-3365 2627-2643 Bird depth out of spec Bird C8-4
3360-3370     3360-3370 2651-2667 Bird depth out of spec Bird C8-5
3365-3395     3365-3395 2283-2299 Bird depth out of spec Bird C7-5
3367-3384     3367-3384 2675-2691 Bird depth out of spec Bird C8-6
3372-3382     3372-3382 2627-2643 Bird depth out of spec Bird C8-4
3508-3522     3508-3522 539-555 Bird depth out of spec Bird C2-9
3684-3696     3684-3696 2059-2075 Bird depth out of spec Bird C6-11
3691-3712     3691-3712 2675-2691 Bird depth out of spec Bird C8-6
3717-3728     3717-3728 2059-2075 Bird depth out of spec Bird C6-11
3867-3885     3867-3885 1075-1091 Bird depth out of spec Bird C3-16
4068-4078     4068-4078 2283-2299 Bird depth out of spec Bird C7-5
4073-4086     4073-4086 2651-2667 Bird depth out of spec Bird C8-5
4190-4201     4190-4201 2627-2643 Bird depth out of spec Bird C8-4
4219-4228     4219-4228 2627-2643 Bird depth out of spec Bird C8-4
4280-4296     4280-4296 NONE Bird depth out of spec Bird C7-5
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 03:49:45utc 24-Apr-2002