ACQUISITION REPORT Sequence-0079
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2848B079
  Preplot G01A2848
  Direction 18.0°
  SOL Date 19:59:10utc 25-Nov-2001
  EOL Date 21:11:03utc 25-Nov-2001
 Attributes:  
   Wind Force 15.0 [knots] Dir WSW
   Swell Height 1.5 [meters] Dir WSW
   Propellor rpm 122 [avg]  
   Propellor pitch 90 [avg]  
       
  SOL EOL  
   Waterdepth 47.0 40.0 [meters]
   Bottomspeed  4.8 4.7 [knots]
   Featherangle sb +3.4 sb +2.7 [deg]
   Cable noise 4.8 5.7 [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)   3408 - 3409  
   SOL Dummy Record(s) 3410 - 3419 3410 - 3419 19:57:55 - 19:59:03
   FSP Start of Line 3420 3420 19:59:10
   MSP      
   LSP End of Line 3982 3982 21:11:03
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3983 - 3984  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3420 - 3982 3420 - 3982 19:59:10-21:11:03 Reshoot 16 Valid Reshoot seq 074 d/t whales
 Remarks:      
   Navigation Streamer depth at 7m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1011mB, pressure now 1016mB. Str 8 Bird 1 mask on External Header, constantly deep, 8.1m.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3408 - 3837 3408 - 3837 1 303  
  3838 - 3984 3838 - 3984 1 304  
Stream 2
   Shot(s) Files Deck Reel Remark
  3408 - 3837 3408 - 3837 3 303  
  3838 - 3984 3838 - 3984 4 304  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 414, 304 Noisy Traces  
3544     3544 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Seismic data parity errors  
3593-3594     3593-3594 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Seismic data parity errors  
3621     3621 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Seismic data parity errors  
3636-3637     3636-3637 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Seismic data parity errors  
3637     3637 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Seismic Data Parity errors  
3651     3651 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Seismic data parity errors  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-12, 15-16, 369-382, 737-760, 763-764, 1105-1113, 1126, 1130-1131, 1473, 1841-1842, 1845-1850, 1852, 1855-1856, 2209-2219, 2577, 2585-2587 Slope alarm > 5% of total line
ALL     ALL 2301 Fails Crossfeed  
ALL     ALL 1191, 2164, 2806 Weak Channel Weak trace: 1191, 2164, 2806 more than -6 dB down Weak trace: 1191, 2164, 2806 more than -6 dB down Weak trace: 1191, 2164, 2806 more than -6 dB down
3619     3619 NONE Bird depth out of spec Bird C2-4
3671     3671 NONE Bird depth out of spec Bird C6-1
3674     3674 NONE Bird depth out of spec Bird C6-1
3678     3678 NONE Bird depth out of spec Bird C6-1
3695     3695 NONE Bird depth out of spec Bird C6-1
3700     3700 NONE Bird depth out of spec Bird C6-1
3720     3720 NONE Bird depth out of spec Bird C6-1
3732     3732 NONE Bird depth out of spec Bird C6-1
3753     3753 NONE Bird depth out of spec Bird C6-1
3758     3758 NONE Bird depth out of spec Bird C6-1
3761     3761 NONE Bird depth out of spec Bird C6-1
3764-3765     3764-3765 NONE Bird depth out of spec Bird C6-1
3896     3896 NONE Bird depth out of spec Bird C6-1
3950     3950 NONE Bird depth out of spec Bird C6-1
3955     3955 NONE Bird depth out of spec Bird C6-1
3965     3965 NONE Bird depth out of spec Bird C8-1
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 00:14:15utc 26-Nov-2001