ACQUISITION REPORT Sequence-0310
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3728A310
  Preplot G01A3728
  Direction 18.0°
  SOL Date 02:26:20utc 11-Mar-2002
  EOL Date 09:07:03utc 11-Mar-2002
 Attributes:  
   Wind Force 18.0 [knots] Dir NNE
   Swell Height 2.5 [meters] Dir NE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 59.1 48.0 [meters]
   Bottomspeed  3.25 4.0 [knots]
   Featherangle sb +8.6 port -6.6 [deg]
   Cable noise 10.68 5.7 [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)   1712 - 1713  
   SOL Dummy Record(s) 1714 - 1743 1714 - 1743 02:20:46 - 02:26:09
   FSP Start of Line 1744 1744 02:26:20
   MSP      
   LSP End of Line 4262 4262 09:07:03
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4263 - 4264  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1744 - 4262 1744 - 4262 02:26:20-09:07:03 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1016mB. 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
  1712 - 2141 1712 - 2141 2 1270  
  2142 - 2571 2142 - 2571 1 1271  
  2572 - 3001 2572 - 3001 2 1272  
  3002 - 3431 3002 - 3431 1 1273  
  3432 - 3861 3432 - 3861 2 1274  
  3862 - 4264 3862 - 4264 1 1275  
Stream 2
   Shot(s) Files Deck Reel Remark
  1712 - 2141 1712 - 2141 3 1270  
  2142 - 2571 2142 - 2571 4 1271  
  2572 - 3001 2572 - 3001 4 1272  
  3002 - 3431 3002 - 3431 4 1273  
  3432 - 3861 3432 - 3861 3 1274  
  3862 - 4264 3862 - 4264 4 1275  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 2599 Killed traces  
ALL     ALL 1476, 1633 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1657, 2600, 2772, 2389, 2782 Spiking Trace(s)  
1788-1795     1788-1795 2627-2643 Bird depth out of spec Bird C8-4, min depth 4.0m
2090-2097     2090-2097 419-435 Bird depth out of spec Bird C2-4, max depth 10.0m
2090-2097     2090-2097 443-459 Bird depth out of spec Bird C2-5, max depth 9.5m
2434     2434 ALL Gun autofire Gun 5-1 at 1700 ms after aimpoint
3392     3392 ALL Gun timing error Gun 5-1 error (ms) : -2.1
3398     3398 ALL Gun timing error Gun 5-1 error (ms) : -2.1
3538     3538 ALL Gun autofire Gun 5-1 at 1720 ms and 5380 ms after aimpoint
3710-3719     3710-3719 1787-1803 Bird depth out of spec Bird C5-15, max depth 9.6 m
3714-3725     3714-3725 1811-1827 Bird depth out of spec Bird C5-16, max depth 10.2m
4200     4200 ALL Gun autofire Gun 5-1 at 1710 ms after aimpoint
4201     4201 ALL Gun autofire Gun 5-1 at 5350 ms after aimpoint
4246     4246 ALL Gun autofire Gun 5-1 at 1710 ms and 5330 ms after aimpoint
4260     4260 ALL Gun autofire Gun 5-1 at 1710 ms after aimpoint
4261     4261 ALL Gun autofire Gun 5-1 at 5330 ms after aimpoint
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1 occasionally deep, 8.1 - 8.2m
ALL     ALL 2577-2581 Bird depth out of spec Bird C8-1 Occassionally deep, 8.1-8.2m
ALL     ALL 1-17, 20, 22, 369-383, 390, 737-755, 757-758, 760, 763-764, 1105-1116, 1122-1123, 1125-1126, 1130-1131, 1135, 1473, 1481-1485, 1487, 1489, 1841-1857, 1860-1862, 1864, 1866-1867, 2209-2226, 2229-2232, 2577, 2584-2588, 2602 Slope alarm > 5% of total line
1776-1788     1776-1788 2235-2251 Bird depth out of spec Bird C7-3
1778-1791     1778-1791 2259-2275 Bird depth out of spec Bird C7-4
2058     2058 ALL Gun timing error Gun 5-4 error (ms) : -1.4
2060     2060 ALL Gun timing error Gun 5-4 error (ms) : 1.1
2098-2109     2098-2109 99-115 Bird depth out of spec Bird C1-6
2293     2293 ALL Gun timing error Gun 1-4 error (ms) : -1.1
2333-2343     2333-2343 419-435 Bird depth out of spec Bird C2-4
2472     2472 ALL Gun timing error Gun 5-1 error (ms) : -1.6
2504     2504 ALL Gun timing error Gun 5-1 error (ms) : 1.6
2520     2520 ALL Gun timing error Gun 5-4 error (ms) : -1.2
3225     3225 1792-1810 Earthleakage Low level earthleakage seen.
3580     3580 ALL Gun timing error Gun 5-1 error (ms) : -1.6
4202     4202 ALL Gun timing error Gun 5-1 error (ms) : 1.6
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 09:43:17utc 11-Mar-2002