ACQUISITION REPORT Sequence-0307
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3808A307
  Preplot G01A3808
  Direction 18.0°
  SOL Date 04:14:19utc 09-Mar-2002
  EOL Date 11:49:01utc 09-Mar-2002
 Attributes:  
   Wind Force 12.0 [knots] Dir ENE
   Swell Height 1.5 [meters] Dir ENE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 59.0 47.0 [meters]
   Bottomspeed  4.18 3.4 [knots]
   Featherangle port -4.3 port -14.6 [deg]
   Cable noise 5.85 6.31 [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)   1627 - 1628  
   SOL Dummy Record(s) 1629 - 1658 1629 - 1658 04:09:59 - 04:14:10
   FSP Start of Line 1659 1659 04:14:19
   MSP      
   LSP End of Line 4282 4282 11:49:01
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4283 - 4284  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1659 - 4282 1659 - 4282 04:14:19-11:49:01 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 1027mB. 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
  1627 - 2056 1627 - 2056 1 1250  
  2057 - 2486 2057 - 2486 2 1251  
  2487 - 2916 2487 - 2916 1 1252  
  2917 - 3346 2917 - 3346 2 1253  
  3347 - 3776 3347 - 3776 1 1254  
  3777 - 4206 3777 - 4206 2 1255  
  4207 - 4284 4207 - 4284 1 1256  
Stream 2
   Shot(s) Files Deck Reel Remark
  1627 - 2056 1627 - 2056 4 1250  
  2057 - 2486 2057 - 2486 3 1251  
  2487 - 2916 2487 - 2916 4 1252  
  2917 - 3346 2917 - 3346 3 1253  
  3347 - 3776 3347 - 3776 4 1254  
  3777 - 4206 3777 - 4206 3 1255  
  4207 - 4284 4207 - 4284 4 1256  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476, 1633 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1657, 2772, 2600 Spiking Trace(s)  
ALL     ALL- 2599 Killed traces  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1, occasional deep 8.1-8.3m
ALL     ALL 2577-2581 Bird depth out of spec Bird C8-1, occasional deep 8.1-8.3m
ALL     ALL 1-17, 20, 369-383, 385, 389-390, 737-761, 763-764, 1105-1116, 1121-1126, 1129-1135, 1473, 1481-1485, 1487, 1489, 1495, 1508, 1841-1857, 1860-1867, 1873, 2209-2227, 2229-2232, 2235-2237, 2239, 2577, 2584-2589, 2591, 2593, 2601-2605 Slope alarm > 5% of total line
2095     2095 ALL Gun timing error Gun 1-4 error (ms) : 1.3
2368     2368 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2425     2425 ALL Gun timing error Gun 1-4 error (ms) : -1.1
2451     2451 ALL Gun timing error Gun 1-4 error (ms) : 1.3
2522     2522 ALL Gun timing error Gun 5-4 error (ms) : -1.1
3298     3298 ALL Gun timing error Gun 5-2 error (ms) : -1.6
3370-3380     3370-3380 2651-2667 Bird depth out of spec Bird C8-5
3447     3447 ALL Gun timing error Gun 1-4 error (ms) : 1.2
3974-3979     3974-3979 51-67 Bird depth out of spec Bird C1-4
3975-3985     3975-3985 75-91 Bird depth out of spec Bird C1-5
3980     3980 ALL Gun timing error Gun 5-4 error (ms) : 1.1
4129-4144     4129-4144 1027-1043 Bird depth out of spec Bird C3-14
4148-4157     4148-4157 1027-1043 Bird depth out of spec Bird C3-14
4175-4184     4175-4184 75-91 Bird depth out of spec Bird C1-5
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 12:02:16utc 09-Mar-2002