ACQUISITION REPORT Sequence-0077
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2640B077
  Preplot G01A2640
  Direction 198.0°
  SOL Date 12:39:59utc 25-Nov-2001
  EOL Date 14:14:55utc 25-Nov-2001
 Attributes:  
   Wind Force 12.0 [knots] Dir SW
   Swell Height 1.0 [meters] Dir NE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 50.0 54.0 [meters]
   Bottomspeed  4.1 4.5 [knots]
   Featherangle port -8.9 port -8.3 [deg]
   Cable noise 5.0 6.1 [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)   2371 - 2370  
   SOL Dummy Record(s) 2369 - 2360 2369 - 2360 12:38:31 - 12:39:51
   FSP Start of Line 2359 2359 12:39:59
   MSP      
   LSP End of Line 1743 1743 14:14:55
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1742 - 1742  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2359 - 1743 2359 - 1743 12:39:59-14:14:55 Reshoot 16 Valid Reshoot seq 68 d/t swell noise.
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1009mB. Str 8 Bird 1 mask on External Header, constantly deep, 8.1m.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2371 - 1942 2371 - 1942 1 299  
  1941 - 1743 1941 - 1743 1 300  
Stream 2
   Shot(s) Files Deck Reel Remark
  2371 - 1942 2371 - 1942 3 299  
  1941 - 1743 1941 - 1743 4 300  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 304, 414, 1127, 2553 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2301 Fails Crossfeed test  
ALL     ALL 1191, 2164, 2806   Weak trace: 1191, 2164, 2806 more than -6 dB down
ALL     ALL 1-7, 9, 369-374, 376-377, 737-742, 744-745, 748, 1105-1110, 1112-1113, 1841-1843, 1845, 2209-2210, 2213-2214, 2216-2217, 2223 Slope alarm > 5% of total line
2307-2305     2307-2305 NONE Bird depth out of spec Bird C2-3
2306-2304     2306-2304 NONE Bird depth out of spec Bird C2-4
2304-2296     2304-2296 NONE Bird depth out of spec Bird C1-4
2300-2297     2300-2297 NONE Bird depth out of spec Bird C1-5
2299-2298     2299-2298 NONE Bird depth out of spec Bird C1-3
2291-2286     2291-2286 NONE Bird depth out of spec Bird C2-5
2286-2278     2286-2278 NONE Bird depth out of spec Bird C1-4
2286-2277     2286-2277 NONE Bird depth out of spec Bird C1-6
2285-2278     2285-2278 NONE Bird depth out of spec Bird C1-5
2284-2281     2284-2281 NONE Bird depth out of spec Bird C1-7
2095-2091     2095-2091 NONE Bird depth out of spec Bird C2-3
2086     2086 NONE Bird depth out of spec Bird C2-3
2084     2084 NONE Bird depth out of spec Bird C2-3
2047-2046     2047-2046 NONE Bird depth out of spec Bird C2-3
2043-2042     2043-2042 NONE Bird depth out of spec Bird C2-3
2038-2037     2038-2037 NONE Bird depth out of spec Bird C2-3
2018-2016     2018-2016 NONE Bird depth out of spec Bird C7-3
1994-1990     1994-1990 NONE Bird depth out of spec Bird C2-3
1986-1981     1986-1981 NONE Bird depth out of spec Bird C2-3
1973     1973 NONE Bird depth out of spec Bird C1-3
1971     1971 NONE Bird depth out of spec Bird C1-4
1965-1957     1965-1957 NONE Bird depth out of spec Bird C1-4
1961     1961 NONE Bird depth out of spec Bird C1-3
1927     1927 NONE Bird depth out of spec Bird C7-2
1925-1922     1925-1922 NONE Bird depth out of spec Bird C1-3
1923-1918     1923-1918 NONE Bird depth out of spec Bird C2-4
1922-1918     1922-1918 NONE Bird depth out of spec Bird C2-3
1920-1914     1920-1914 NONE Bird depth out of spec Bird C1-3
1920-1914     1920-1914 NONE Bird depth out of spec Bird C1-4
1812     1812 NONE Bird depth out of spec Bird C2-5
1809     1809 NONE Bird depth out of spec Bird C2-5
1807     1807 NONE Bird depth out of spec Bird C2-5
1750-1747     1750-1747 NONE Bird depth out of spec Bird C8-1
1743     1743 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 15:16:08utc 25-Nov-2001