ACQUISITION REPORT Sequence-0117
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3440C117
  Preplot G01A3440
  Direction 198.0°
  SOL Date 07:54:14utc 15-Dec-2001
  EOL Date 13:16:00utc 15-Dec-2001
 Attributes:  
   Wind Force 12.0 [knots] Dir SSW
   Swell Height 1.0 [meters] Dir SSW
   Propellor rpm 122 [avg]  
   Propellor pitch 99 [avg]  
       
  SOL EOL  
   Waterdepth 46.0 65.0 [meters]
   Bottomspeed  4.4 5.0 [knots]
   Featherangle port -3.4 sb +6.7 [deg]
   Cable noise 6.58 6.9 [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)   4101 - 4100  
   SOL Dummy Record(s) 4099 - 4070 4099 - 4070 07:50:06 - 07:54:05
   FSP Start of Line 4069 4069 07:54:14
   MSP      
   LSP End of Line 1610 1610 13:16:00
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1609 - 1608  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4069 - 1610 4069 - 1610 07:54:14-13:16:00 Reshoot 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1027mB. Str 7 Bird 1 mask on External Header, occasionally deep, 8.3m.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  4101 - 3672 4101 - 3672 2 482  
  3671 - 3242 3671 - 3242 1 483  
  3241 - 2812 3241 - 2812 2 484  
  2811 - 2382 2811 - 2382 1 485  
  2381 - 1952 2381 - 1952 1 486  
  1951 - 1609 1951 - 1609 1 487  
Stream 2
   Shot(s) Files Deck Reel Remark
  4101 - 3672 4101 - 3672 3 482  
  3671 - 3242 3671 - 3242 4 483  
  3241 - 2812 3241 - 2812 3 484  
  2811 - 2382 2811 - 2382 4 485  
  2381 - 1952 2381 - 1952 3 486  
  1951 - 1609 1951 - 1609 4 487  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1191, 2307 Weak Trace(s) Trace signal less than -3dB of nominal value
ALL     ALL 2871 Noisy Trace(s)  
2331-2323     2331-2323 2167, 2183, 2199 Parity errors Seismic data parity errors
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1227, 2301   Fail crossfeed test
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1 Occassionally deep 7.9 - 8.3m
ALL     ALL 1-9, 11-12, 16, 369-380, 737-752, 755, 758, 763-764, 1105-1113, 1122, 1125-1126, 1130-1131, 1133, 1135, 1473, 1481-1485, 1487, 1489-1490, 1493-1495, 1498-1499, 1501, 1509-1510, 1512, 1841-1853, 1855-1856, 2209-2219, 2225, 2577, 2585-2587 Slope alarm > 5% of total line
4023     4023 ALL Gun timing error Gun 2-2 error (ms) : -1.8
4004     4004 ALL TRISOR input NFH & ExtHdr GUNPOS block not recorded
3955     3955 ALL TRISOR input NFH & ExtHdr GUNPOS block not recorded
3950     3950 ALL TRISOR input NFH & ExtHdr GUNPOS block not recorded
3901     3901 ALL Gun timing error Gun 2-2 error (ms) : -1.6
3853     3853 ALL Gun timing error Gun 1-2 error (ms) : -1.9
3829     3829 ALL Gun timing error Gun 2-2 error (ms) : -1.7
3751     3751 ALL Gun timing error Gun 2-2 error (ms) : -1.7
3739     3739 ALL Gun timing error Gun 2-2 error (ms) : -1.9
3660     3660 ALL TRISOR input NFH & ExtHdr GUNPOS block not recorded
3466     3466 ALL TRISOR input NFH & ExtHdr GUNPOS block not recorded
3441     3441 ALL Gun Timing Error Gun 2-2 error (ms) :-1.6
3423     3423 ALL TRISOR input NFH & ExtHdr GUNPOS block not recorded
3407     3407 ALL TRISOR input NFH & ExtHdr GUNPOS block not recorded
3401     3401 ALL TRISOR input NFH & ExtHdr GUNPOS block not recorded
3102     3102 ALL TRISOR input NFH & ExtHdr GUNPOS block not recorded
3047     3047 ALL Gun timing error Gun 1-2 error (ms) : -1.8
2819     2819 ALL Gun timing error Gun 2-2 error (ms) : -1.9
2513     2513 ALL Gun timing error Gun 2-2 error (ms) : -1.7
2487     2487 ALL Gun timing error Gun 2-2 error (ms) : -1.8
2357     2357 ALL Gun timing error Gun 2-2 error (ms) : -1.6
2285     2285 ALL Gun timing error Gun 2-2 error (ms) : -1.8
2183     2183 ALL Gun timing error Gun 1-2 error (ms) : -1.8
2009     2009 ALL Gun timing error Gun 2-2 error (ms) : -1.9
Comment
Shot(s)     File(s) Trace(s) Type Remark
1912-1610     1912-1610 ALL Swell Noise Swell noise affecting 5% of traces, ambient RMS 8uB


 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 14:10:30utc 17-Dec-2001