ACQUISITION REPORT Sequence-0017
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2448B017
  Preplot G01A2448
  Direction 198.0°
  SOL Date 05:01:33utc 25-Oct-2001
  EOL Date 06:35:10utc 25-Oct-2001
 Attributes:  
   Wind Force 10.0 [knots] Dir ENE
   Swell Height 0.5 [meters] Dir NE
   Propellor rpm 122 [avg]  
   Propellor pitch 96 [avg]  
       
  SOL EOL  
   Waterdepth 48.0 53.0 [meters]
   Bottomspeed  4.4 4.6 [knots]
   Featherangle sb +2.2 sb +1.9 [deg]
   Cable noise 4.87 5.89 [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 2.0 0001 0001-0001 0001 0001 - 0001 0.00
2 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0036 0001-0036 0036 0001 - 0036 0.00
3 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0036 0001-0036 0036 0001 - 0036 0.00
4 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0001 0001-0001 0001 0001 - 0001 0.00
5 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0001-0368 0368 0001 - 0368 5.60
6 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0369-0736 0368 0369 - 0736 5.60
7 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0737-1104 0368 0737 - 1104 5.60
8 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1105-1472 0368 1105 - 1472 5.60
9 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1473-1840 0368 1473 - 1840 5.60
10 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1841-2208 0368 1841 - 2208 5.60
11 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 2209-2576 0368 2209 - 2576 5.60
12 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)   2281 - 2280  
   SOL Dummy Record(s) 2279 - 2270 2279 - 2270 05:00:11 - 05:01:25
   FSP Start of Line 2269 2269 05:01:33
   MSP      
   LSP End of Line 1571 1571 06:35:10
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1570 - 1569  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2269 - 1571 2269 - 1571 05:01:33-06:35:10 Reshoot 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 1. STBD gun fire on EVEN SP. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1004.5mB. Str 8 Bird 1 mask on External Header, Occasionally running deep ~ 8.1m. Array 2 Position 4 running shallow ~ 5.3-5.4m. Erratic reading on pressure transducer on array 2    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2281 - 1852 2281 - 1852 1 71  
  1851 - 1569 1851 - 1569 2 72  
Stream 2
   Shot(s) Files Deck Reel Remark
  2281 - 1852 2281 - 1852 3 71  
  1851 - 1569 1851 - 1569 4 72  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 1191 Killed traces  
ALL     ALL- 1948 Killed traces  
ALL     ALL- 2764 Killed traces  
ALL     ALL- 2806 Killed traces  
ALL     ALL 304, 1127, 1495, 2775 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 369, 737-742, 744-745, 748, 1105-1106, 1109, 1112, 1841-1842, 1844-1845, 1849, 2209-2210 Slope alarm > 5% of total line
2157     2157 NONE Bird depth out of spec Bird C5-1
1990     1990 NONE Bird depth out of spec Bird C6-3
1988     1988 NONE Bird depth out of spec Bird C6-3
1986     1986 NONE Bird depth out of spec Bird C6-3
1978-1974     1978-1974 NONE Bird depth out of spec Bird C6-3
1972     1972 NONE Bird depth out of spec Bird C6-3
1884     1884 NONE Bird depth out of spec Bird C3-17
1594     1594 NONE Bird depth out of spec Bird C7-1
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL ALL   NFH 1.4 using GSAP reference


 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 06:01:33utc 25-Oct-2001