ACQUISITION REPORT Sequence-0323
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4592A323
  Preplot G01A4592
  Direction 18.0°
  SOL Date 10:14:49utc 19-Mar-2002
  EOL Date 15:59:03utc 19-Mar-2002
 Attributes:  
   Wind Force 17.0 [knots] Dir SW
   Swell Height 1.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 99 [avg]  
       
  SOL EOL  
   Waterdepth 207.0 58.0 [meters]
   Bottomspeed  4.6 4.3 [knots]
   Featherangle sb +10.7 port -3.8 [deg]
   Cable noise 5.48 6.6 [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)   1758 - 1759  
   SOL Dummy Record(s) 1760 - 1769 1760 - 1769 10:13:30 - 10:14:41
   FSP Start of Line 1770 1770 10:14:49
   MSP      
   LSP End of Line 4318 4318 15:59:03
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4319 - 4320  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1770 - 4318 1770 - 4318 10:14:49-15:59:03 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC OCCASIONAL MONOWING WASH AFFECTING STR 7&8 THEN LATER 1&2 Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1018mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP. Occ swell noise seen approx 10%    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1758 - 2187 1758 - 2187 1 1325  
  2188 - 2617 2188 - 2617 2 1326  
  2618 - 3047 2618 - 3047 1 1327  
  3048 - 3477 3048 - 3477 2 1328  
  3478 - 3907 3478 - 3907 2 1329  
  3908 - 4320 3908 - 4320 1 1330  
Stream 2
   Shot(s) Files Deck Reel Remark
  1758 - 2187 1758 - 2187 3 1325  
  2188 - 2617 2188 - 2617 4 1326  
  2618 - 3047 2618 - 3047 3 1327  
  3048 - 3477 3048 - 3477 4 1328  
  3478 - 3907 3478 - 3907 3 1329  
  3908 - 4320 3908 - 4320 4 1330  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 820, 2599 Killed traces  
ALL     ALL- 1633 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1657, 2389, 2641 Spiking Trace(s)  
ALL     ALL 2772, 821, 2307, 2600 Noisy Trace(s)  
3162-3187     3162-3187 68-91 Streamer depth Bird 1-5 deep max 10.8 mtrs
3163-3199     3163-3199 51-67 Streamer depth Bird 1-4 deep max 10.6 mtr
3170-3213     3170-3213 436-459 Streamer depth Bird 2-5 deep max 10.3 mtrs
3175-3211     3175-3211 419-435 Streamer depth Bird 2-4 deep max 10.3 mtrs
3177-3200     3177-3200 460-483 Streamer depth Bird 2-6 deep max 10.3 mtrs
3539     3539 1841-2208 Out of range Status-range-parity errors str 6 - this shot only
3646     3646 1841-2208 Out of range Status-range-parity errors str 6 - this shot only
3648     3648 1841-2208 Out of range Status-range-parity errors str 6 - this shot only
3659     3659 1841-2208 Out of range Status-range-parity errors str 6 - this shot only
4212-4228     4212-4228 419-435 Bird depth out of spec Bird C2-4
4305-4313     4305-4313 75-91 Bird depth out of spec Bird C1-5
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476, 2782 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL NONE Parity Errors Occ Low level parity errors observed streamer 6
2898-2931     2898-2931 NONE Streamer depth Bird 8-5 deep max 9.2 mtrs
2899-2946     2899-2946 NONE Streamer depth Bird 8-4 deep max 9.7 mtrs
3022-3119     3022-3119 NONE Streamer depth Bir 8-5 deep/shallow min 5.4 mtrs max 8.7 mtrs
3023-3047     3023-3047 NONE Streamer depth Bird 8-4 deep max 9.4 mtrs
4210-4220     4210-4220 NONE Bird depth out of spec Bird C1-9
4279-4290     4279-4290 NONE Bird depth out of spec Bird C1-4
4305-4318     4305-4318 NONE Bird depth out of spec Bird C1-6
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE Bad Birds Birds 2-18, 4-2, 5-18 no comms.
3404     3404 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
3418     3418 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
3476     3476 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
3484     3484 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
3498     3498 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
3508     3508 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
3520     3520 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
3616     3616 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
3640     3640 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
3712     3712 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
3870     3870 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
3930     3930 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
3982     3982 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
3998     3998 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
4034     4034 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
4054     4054 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
4062     4062 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
4098     4098 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
4108     4108 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
4200     4200 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
4210     4210 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
4216     4216 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
4218     4218 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
4240     4240 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint
4268     4268 ALL False Gun autofire detect Gun 6-8 at 220 ms after aimpoint


 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 17:11:23utc 19-Mar-2002