ACQUISITION REPORT Sequence-0225
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1360A225
  Preplot G01A1360
  Direction 198.0°
  SOL Date 01:20:50utc 24-Jan-2002
  EOL Date 05:33:06utc 24-Jan-2002
 Attributes:  
   Wind Force 5.0 [knots] Dir SE
   Swell Height 1.5 [meters] Dir S
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 18.0 37.0 [meters]
   Bottomspeed  4.5 4.3 [knots]
   Featherangle port -11.0 sb +6.4 [deg]
   Cable noise 7.0 4.5 [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
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)   2549 - 2548  
   SOL Dummy Record(s) 2547 - 2538 2547 - 2538 01:19:13 - 01:20:41
   FSP Start of Line 2537 2537 01:20:50
   MSP      
   LSP End of Line 925 925 05:33:06
   EOL Dummy Record(s)      
   EOL Noise Record(s)   924 - 924  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2537 - 925 2537 - 925 01:20:50-05:33:06 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7m    
   Recording QC STRONG turn noise affecting SOL noise (estimate 7µbar). 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.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2549 - 2120 2549 - 2120 1 932  
  2119 - 1690 2119 - 1690 2 933  
  1689 - 1260 1689 - 1260 1 934  
  1259 - 925 1259 - 925 2 935  
Stream 2
   Shot(s) Files Deck Reel Remark
  2549 - 2120 2549 - 2120 3 932  
  2119 - 1690 2119 - 1690 4 933  
  1689 - 1260 1689 - 1260 3 934  
  1259 - 925 1259 - 925 4 935  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL-925 1255 Killed traces  
ALL     ALL 1853 Killed traces  
ALL     ALL 172 Noisy Channel  
ALL     ALL 1855 Killed traces  
2176     2176 1855, 1871, 1887, 1903, 1919, 1935, 1951, 1967, 1983, 1999, 2015, 2031, 2047, 2063, 2079, 2095, 2111, 2127, 2143, 2159, 2175, 2191, 2207 Parity errors Parity Errors on line-15 streamer-6
2175     2175 1855, 1871, 1887, 1903, 1919, 1935, 1951, 1967, 1983, 1999, 2015, 2031, 2047, 2063, 2079, 2095, 2111, 2127, 2143, 2159, 2175, 2191, 2207 Parity errors Parity Errors on line-15 streamer-6
2163     2163 1855, 1871, 1887, 1903, 1919, 1935, 1951, 1967, 1983, 1999, 2015, 2031, 2047, 2063, 2079, 2095, 2111, 2127, 2143, 2159, 2175, 2191, 2207 Parity errors Parity Errors on line-15 streamer-6
2162     2162 1855, 1871, 1887, 1903, 1919, 1935, 1951, 1967, 1983, 1999, 2015, 2031, 2047, 2063, 2079, 2095, 2111, 2127, 2143, 2159, 2175, 2191, 2207 Parity errors Parity Errors on line-15 streamer-6
2161     2161 1855, 1871, 1887, 1903, 1919, 1935, 1951, 1967, 1983, 1999, 2015, 2031, 2047, 2063, 2079, 2095, 2111, 2127, 2143, 2159, 2175, 2191, 2207 Parity errors Parity Errors on line-15 streamer-6
1993     1993 1-368 Seismic data parity errors Parity errors affecting streamer-1
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Fail crossfeed test  
ALL     ALL ALL Slope overload  
ALL     ALL 2034 Fails Crossfeed  
ALL     ALL 1-17, 20, 22-23, 369-385, 387, 389-392, 737-755, 758, 763-764, 1105-1116, 1122-1126, 1130-1131, 1473-1490, 1493, 1498-1499, 1501, 1509, 1841-1869, 2209-2239, 2243-2246, 2248, 2577-2609, 2613, 2617, 2629 Slope alarm > 5% of total line
ALL     ALL 193-196 Noisy Chn's Slight low freq noise observed
ALL     ALL 201-205 Noisy Chn's Slight low freq noise observed
2430     2430 ALL Gun timing error Gun 5-4 error (ms) : 1.1
1845     1845 ALL Gun timing error Gun 2-6 error (ms) : 1.1
1608     1608 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1308     1308 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1300     1300 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1271     1271 ALL Gun timing error Gun 1-2 error (ms) : -1.6
1134     1134 ALL Gun timing error Gun 5-4 error (ms) : -1.5
1128     1128 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1114     1114 ALL Gun timing error Gun 5-4 error (ms) : 1.1
1070     1070 ALL Gun timing error Gun 5-4 error (ms) : -1.1
935     935 ALL Gun timing error Gun 1-2 error (ms) : -1.6
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE Bad Bird Bird 4-17 no comms, Bird 4-15 int comms
ALL     ALL NONE Bird Comms Random bird seen dropout cable 1


 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 05:55:05utc 25-Jan-2002