ACQUISITION REPORT Sequence-0237
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1088J237
  Preplot G01A1088
  Direction 18.0°
  SOL Date 22:14:37utc 27-Jan-2002
  EOL Date 00:31:44utc 28-Jan-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir NE
   Swell Height 2.0 [meters] Dir E
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 32.0 15.5 [meters]
   Bottomspeed  4.5 4.84 [knots]
   Featherangle port -1.5 port -2.9 [deg]
   Cable noise 6.98 0.0 [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)      
   SOL Dummy Record(s) 1001 - 1010 1001 - 1010 22:13:18 - 22:14:29
   FSP Start of Line 1011 1011 22:14:37
   MSP 1826 1826 23:59:53
   LSP End of Line 2075 2075 00:31:44
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2076 - 2077  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1011 - 2075 1011 - 2075 22:14:37-00:31:44 Infill 14 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Str 1 NTBP d/t Earth Leakage fault    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  999 - 1428 999 - 1428 1 974  
  1429 - 1858 1429 - 1858 2 975  
  1859 - 2077 1859 - 2077 1 976  
Stream 2
   Shot(s) Files Deck Reel Remark
  999 - 1428 999 - 1428 3 974  
  1429 - 1858 1429 - 1858 4 975  
  1859 - 2077 1859 - 2077 3 976  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-368 Streamer 1 E/L Str 1 NTBP d/t Earth Leakage fault
ALL     ALL 1495 Noisy Trace(s)  
ALL     ALL- 1255 Killed traces  
ALL     ALL- 1855 Killed traces  
1389     1389 419-435 Bird depth out of spec Bird C2-4 ~4.9M
1391-1397     1391-1397 419-435 Bird depth out of spec Bird C2-4 ~4.6M
1430-1435     1430-1435 419-435 Bird depth out of spec Bird C2-4 ~4.3M
1663-1670     1663-1670 443-459 Bird depth out of spec Bird C2-5 ~4.3M
1736-1744     1736-1744 395-411 Bird depth out of spec Bird C2-3 ~9.2M
2020-2075     2020-2075 369-476 Noisy Trace(s) Turn noise on front of streamer.
2020-2075     2020-2075 737-842 Noisy Trace(s) Turn noise on front of streamer.
2020-2075     2020-2075 1105-1240 Noisy Trace(s) Turn noise on front of streamer.
2020-2075     2020-2075 1473-1600 Noisy Trace(s) Turn noise on front of streamer.
2020-2075     2020-2075 1841-1973 Noisy Trace(s) Turn noise on front of streamer.
2020-2075     2020-2075 2209-2350 Noisy Trace(s) Turn noise on front of streamer.
2020-2075     2020-2075 2577-2705 Noisy Trace(s) Turn noise on front of streamer.
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL ALL Swell Noise Occ. bursts of swell
ALL     ALL 1495 Noisy Trace(s)  
1081-1104     1081-1104 NONE Bird depth out of spec Bird C6-11 ~8.2
1192     1192 ALL Gun timing error Gun 5-2 error (ms) : 1.6
1330     1330 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1378-1388     1378-1388 NONE Bird depth out of spec Bird C2-3 ~5.5M
1381-1390     1381-1390 NONE Bird depth out of spec Bird C2-5 ~5.6M
1392     1392 ALL Gun timing error Gun 5-4 error (ms) : 1.2
1654-1675     1654-1675 NONE Bird depth out of spec Bird C2-6 ~5.4M
1657-1662     1657-1662 NONE Bird depth out of spec Bird C2-5 ~5M
1728-1741     1728-1741 NONE Bird depth out of spec Bird C6-11 ~8.2M
1736-1745     1736-1745 NONE Bird depth out of spec Bird C2-4 ~8.5M
1743-1803     1743-1803 NONE Bird depth out of spec Bird C6-11~8.2M
1771-1781     1771-1781 NONE Bird depth out of spec Bird C3-13 ~5.7M
1808     1808 ALL Gun timing error Gun 5-1 error (ms) : 1.6
1808-1818     1808-1818 NONE Bird depth out of spec Bird C2-3 ~5.8M
1997-2023     1997-2023 NONE Bird depth out of spec Bird C6-11 ~8.2M
2033-2062     2033-2062 NONE Bird depth out of spec Bird C6-11~8.2M
2076-2077       ALL   Streamers still in bend on noise rec d/t shallows.
Comment
Shot(s)     File(s) Trace(s) Type Remark
1998     1998 ALL   Starting to turn stbd
2020     2020 ALL   starting to see turn noise on streamers.


 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 07:57:35utc 28-Jan-2002