ACQUISITION REPORT Sequence-0091
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3088A091
  Preplot G01A3088
  Direction 198.0°
  SOL Date 18:59:28utc 28-Nov-2001
  EOL Date 00:35:37utc 29-Nov-2001
 Attributes:  
   Wind Force 15.0 [knots] Dir WSW
   Swell Height 1.5 [meters] Dir WSW
   Propellor rpm 122 [avg]  
   Propellor pitch 95 [avg]  
       
  SOL EOL  
   Waterdepth 44.0 60.0 [meters]
   Bottomspeed  4.3 4.6 [knots]
   Featherangle port -1.5 sb +1.6 [deg]
   Cable noise 6.8 5.4 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]

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)   3991 - 3990  
   SOL Dummy Record(s) 3989 - 3980 3989 - 3980 18:58:05 - 18:59:20
   FSP Start of Line 3979 3979 18:59:28
   MSP 1733 1733 23:59:59
   LSP End of Line 1459 1459 00:35:37
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1458 - 1458  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3979 - 1459 3979 - 1459 18:59:28-00:35:37 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m. Random bird dropout seen cable 7.    
   Recording QC TRACES 2529-2576 NTBP - BUBBLES DEAD D/T E/L Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1012mB, pressure now 1016mB. Str 8 Bird 1 mask on External Header, constantly deep, 8.1m. Cables 7 and 8 bird 1 running occ deep average 8 mtrs. Cable 7 ch's 2529-2579 edit entire line    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3991 - 3562 3991 - 3562 2 346  
  3561 - 3132 3561 - 3132 1 347  
  3131 - 2702 3131 - 2702 2 348  
  2701 - 2272 2701 - 2272 1 349  
  2271 - 1842 2271 - 1842 2 350  
  1841 - 1459 1841 - 1459 1 351  
Stream 2
   Shot(s) Files Deck Reel Remark
  3991 - 3562 3991 - 3562 4 346  
  3561 - 3132 3561 - 3132 3 347  
  3131 - 2702 3131 - 2702 4 348  
  2701 - 2272 2701 - 2272 3 349  
  2271 - 1842 2271 - 1842 4 350  
  1841 - 1459 1841 - 1459 3 351  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL-1459 2220 Killed trace  
ALL     ALL-1459 2529-2576 Killed traces  
ALL     ALL 839, 1127, 2019 Noisy Channels  
ALL     ALL 2772 Spiking Channel  
2719     2719 ALL Gun timing error Gun 3-6 error (ms) : 12.5
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2301 Fails Crossfeed  
ALL     ALL 1191 Weak Trace  
ALL     ALL 1-7, 9, 12, 369-374, 377, 737-745, 748, 1105-1113, 1473, 1484, 1499, 1841-1845, 1849-1850, 1852 Slope alarm > 5% of total line
3923     3923 NONE Bird depth out of spec Bird C4-11
3677     3677 ALL Gun timing error Gun 3-3 error (ms) : -1.2
3601     3601 ALL Gun timing error Gun 2-3 error (ms) : 1.3
3038     3038 NONE Bird depth out of spec Bird C7-1
2961     2961 ALL Gun timing error Gun 2-2 error (ms) : -1.7
2765     2765 ALL Gun timing error Gun 2-3 error (ms) : 1.2
2756     2756 NONE Bird depth out of spec Bird C7-2
2587     2587 NONE Bird depth out of spec Bird C7-2
2581     2581 NONE Bird depth out of spec Bird C8-2
2503     2503 NONE Bird depth out of spec Bird C7-2
2337     2337 ALL Gun timing error Gun 2-2 error (ms) : -1.6
2322     2322 NONE Bird depth out of spec Bird C7-2
2251     2251 NONE Bird depth out of spec Bird C2-1
2085     2085 NONE Bird depth out of spec Bird C8-2
2083-2082     2083-2082 NONE Bird depth out of spec Bird C8-2
2080-2079     2080-2079 NONE Bird depth out of spec Bird C8-2
2055     2055 ALL Gun timing error Gun 2-3 error (ms) : 1.3
1971     1971 NONE Bird depth out of spec Bird C2-1
1958-1955     1958-1955 NONE Bird depth out of spec Bird C8-5
1958-1955     1958-1955 NONE Bird depth out of spec Bird C8-6
1868     1868 NONE Bird depth out of spec Bird C7-2
1805     1805 ALL Gun timing error Gun 2-3 error (ms) : 1.1
1803-1802     1803-1802 NONE Bird depth out of spec Bird C8-6
1800     1800 NONE Bird depth out of spec Bird C8-7
1760     1760 NONE Bird depth out of spec Bird C8-2
1708-1707     1708-1707 NONE Bird depth out of spec Bird C7-2
1696     1696 NONE Bird depth out of spec Bird C8-2
1631     1631 ALL Gun timing error Gun 2-2 error (ms) : -1.6
1514-1513     1514-1513 NONE Bird depth out of spec Bird C7-2
1508     1508 NONE Bird depth out of spec Bird C8-2
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 00:56:26utc 29-Nov-2001