ACQUISITION REPORT Sequence-0021
 Survey:  
  Client Bass Strait Oil Company
  Area Vic/P42 Gippsland Basin
  Vessel GECO_BETA
  JobNumber 9226
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename VP421120J021
  Preplot VP421120
  Direction 193.0°
  SOL Date 22:13:56utc 01-Aug-2002
  EOL Date 02:42:35utc 02-Aug-2002
 Attributes:  
   Wind Force 0.0 [knots] $(wind_dir)
   Swell Height 0.5 [meters] Dir W
   Propellor rpm 137 [avg]  
   Propellor pitch 90 [avg]  
       
  SOL EOL  
   Waterdepth 61.0 68.0 [meters]
   Bottomspeed  4.6 4.35 [knots]
   Featherangle sb +1.2 0.0 [deg]
   Cable noise 8.7 6.24 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]
   Filter Slope 18 18  
   Port Volume 3542.0 3542.0  
   Stbd Volume 3542.0 3542.0  

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 -7.0 3542.0 3 24
2 PORT -345.0 -25.0 -7.0 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 -8.0 4600 Nessie-3 12.5 368 0001-0368
2 STBD -520.0 250.0 -8.0 4600 Nessie-3 12.5 368 0369-0736
3 STBD -520.0 150.0 -8.0 4600 Nessie-3 12.5 368 0737-1104
4 STBD -520.0 50.0 -8.0 4600 Nessie-3 12.5 368 1105-1472
5 PORT -520.0 -50.0 -8.0 4600 Nessie-3 12.5 368 1473-1840
6 PORT -520.0 -150.0 -8.0 4600 Nessie-3 12.5 368 1841-2208
7 PORT -520.0 -250.0 -8.0 4600 Nessie-3 12.5 368 2209-2576
8 PORT -520.0 -350.0 -8.0 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)   1005 - 1006  
   SOL Dummy Record(s) 1007 - 1036 1007 - 1036 22:09:57 - 22:13:48
   FSP Start of Line 1037 1037 22:13:56
   MSP 1803 1803 23:59:58
   LSP End of Line 2945 2945 02:42:35
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2946 - 2947  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1037 - 2945 1037 - 2945 22:13:56-02:42:35 Infill 16 Valid  
 Remarks:      
   Navigation Streamer depth 8.0mtr.    
   Recording QC Frontsheet Set 1. Gundepth calibrated at atmospheric pressure 1032mB, pressure now 1018mB. Excessive Noise on SOL Noise record dt bend in cable from short run in. Momowing wash throghout line.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1005 - 1434 1005 - 1434 1 91  
  1435 - 1864 1435 - 1864 2 92  
  1865 - 2294 1865 - 2294 1 93  
  2295 - 2724 2295 - 2724 2 94  
  2725 - 2947 2725 - 2947 1 95  
Stream 2
   Shot(s) Files Deck Reel Remark
  1005 - 1434 1005 - 1434 3 91  
  1435 - 1864 1435 - 1864 4 92  
  1865 - 2294 1865 - 2294 3 93  
  2295 - 2724 2295 - 2724 4 94  
  2725 - 2947 2725 - 2947 3 95  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 109 Killed traces  
ALL     ALL 161, 304 Noisy Trace(s)  
ALL     ALL 1420, 2497 Weak Trace(s) Trace signal less than -6dB of nominal value
1118-1120     1118-1120 2279-2291 Monowing wash Low frequency, high amplitude noise due to monowing wash
1152-1153     1152-1153 2281-2295 Monowing wash Low frequency, high amplitude noise due to monowing wash
1183-1201     1183-1201 2223-2286 Monowing wash Low frequency, high amplitude noise due to monowing wash
1233-1238     1233-1238 2272-2294 Monowing wash Low frequency, high amplitude noise due to monowing wash
1241-1251     1241-1251 2264-2291 Monowing wash Low frequency, high amplitude noise due to monowing wash
1283-1292     1283-1292 2247-2285 Monowing wash Low frequency, high amplitude noise due to monowing wash
1378-1392     1378-1392 2266-2317 Monowing wash Low frequency, high amplitude noise due to monowing wash
1430-1436     1430-1436 2256-2288 Monowing wash Low frequency, high amplitude noise due to monowing wash
1493-1505     1493-1505 2252-2305 Monowing wash Low frequency, high amplitude noise due to monowing wash
1685-1724     1685-1724 2234-2315 Monowing wash Low frequency, high amplitude noise due to monowing wash
1765-1812     1765-1812 2249-2323 Monowing wash Low frequency, high amplitude noise due to monowing wash
1878-1888     1878-1888 429-471 Monowing wash Low frequency, high amplitude noise due to monowing wash
1879-1884     1879-1884 60-90 Monowing wash Low frequency, high amplitude noise due to monowing wash
1905-1919     1905-1919 490-513 Bird depth out of spec Bird C2-7, max depth 11.4m
1935-1948     1935-1948 64-107 Monowing wash Low frequency, high amplitude noise due to monowing wash
1951-1960     1951-1960 455-496 Monowing wash Low frequency, high amplitude noise due to monowing wash
1971-1975     1971-1975 413-451 Monowing wash Low frequency, high amplitude noise due to monowing wash
1985-2001     1985-2001 538-561 Bird depth out of spec Bird C2-9, max depth 11.5m
1999-2014     1999-2014 562-585 Bird depth out of spec Bird C2-10, max depth 11.6m
2003-2029     2003-2029 586-609 Bird depth out of spec Bird C2-11, max depth 12.1m
2017-2024     2017-2024 47-87 Monowing wash Low frequency, high amplitude noise due to monowing wash
2023-2038     2023-2038 415-417 Monowing wash Low frequency, high amplitude noise due to monowing wash
2034-2038     2034-2038 59-86 Monowing wash Low frequency, high amplitude noise due to monowing wash
2044     2044 ALL External header lost  
2049-2071     2049-2071 490-513 Bird depth out of spec Bird C2-7, max depth 11.2m
2051     2051 ALL External header lost  
2062-2081     2062-2081 514-537 Bird depth out of spec Bird C2-8, max depth 11.4m
2147-2167     2147-2167 2267-2328 Monowing wash Low frequency, high amplitude noise due to monowing wash
2246-2253     2246-2253 442-486 Monowing wash Low frequency, high amplitude noise due to monowing wash
2764-2785     2764-2785 55-83 Monowing wash Low frequency, high amplitude noise due to monowing wash
2772-2787     2772-2787 422-472 Monowing wash Low frequency, high amplitude noise due to monowing wash
2792-2826     2792-2826 466-489 Bird depth out of spec Bird C2-6, max depth 12.3m
2828     2828 ALL Gun timing error Gun 5-3 error (ms) : -1.1
Warning
Shot(s)     File(s) Trace(s) Type Remark
1078     1078 ALL Gun timing error Gun 5-3 error (ms) : -1.1
1124     1124 ALL Gun timing error Gun 5-3 error (ms) : -1.1
1129     1129 ALL Gun timing error Gun 2-3 error (ms) : -1.2
1134     1134 ALL Gun timing error Gun 5-3 error (ms) : -1.1
1473-1491     1473-1491 2258-2281 Bird depth out of spec Bird C7-4
1710     1710 ALL Gun timing error Gun 5-3 error (ms) : -1.1
1725-1735     1725-1735 2234-2257 Bird depth out of spec Bird C7-3
1759-1785     1759-1785 2258-2281 Bird depth out of spec Bird C7-4
1765     1765 ALL Gun timing error Gun 2-3 error (ms) : 1.5
1786-1803     1786-1803 2330-2353 Bird depth out of spec Bird C7-7
1811-1821     1811-1821 2234-2257 Bird depth out of spec Bird C7-3
1815-1830     1815-1830 2306-2329 Bird depth out of spec Bird C7-6
1829-1837     1829-1837 2330-2353 Bird depth out of spec Bird C7-7
1852     1852 ALL Gun timing error Gun 5-3 error (ms) : -1.2
1888-1901     1888-1901 74-97 Bird depth out of spec Bird C1-5
1893-1913     1893-1913 466-489 Bird depth out of spec Bird C2-6
1906-1917     1906-1917 122-145 Bird depth out of spec Bird C1-7
1918-1925     1918-1925 514-537 Bird depth out of spec Bird C2-8
1959-1970     1959-1970 514-537 Bird depth out of spec Bird C2-8
1960-1972     1960-1972 122-145 Bird depth out of spec Bird C1-7
1964-1973     1964-1973 490-513 Bird depth out of spec Bird C2-7
1969-1984     1969-1984 538-561 Bird depth out of spec Bird C2-9
1972-1988     1972-1988 442-465 Bird depth out of spec Bird C2-5
1977-1988     1977-1988 74-97 Bird depth out of spec Bird C1-5
1983-1995     1983-1995 466-489 Bird depth out of spec Bird C2-6
1988-1998     1988-1998 562-585 Bird depth out of spec Bird C2-10
2022-2031     2022-2031 610-633 Bird depth out of spec Bird C2-12
2042-2057     2042-2057 98-121 Bird depth out of spec Bird C1-6
2047-2058     2047-2058 610-633 Bird depth out of spec Bird C2-12
2089     2089 ALL Gun timing error Gun 2-3 error (ms) : 1.1
2168-2181     2168-2181 2306-2329 Bird depth out of spec Bird C7-6
2193-2209     2193-2209 2354-2377 Bird depth out of spec Bird C7-8
2194-2199     2194-2199 2330-2353 Bird depth out of spec Bird C7-7
2239-2249     2239-2249 98-121 Bird depth out of spec Bird C1-6
2242-2257     2242-2257 74-97 Bird depth out of spec Bird C1-5
2260-2275     2260-2275 466-489 Bird depth out of spec Bird C2-6
2262     2262 ALL Gun timing error Gun 5-3 error (ms) : -1.2
2287-2290     2287-2290 514-537 Bird depth out of spec Bird C2-8
2301     2301 ALL External header lost  
2307-2321     2307-2321 586-609 Bird depth out of spec Bird C2-11
2379     2379 ALL Gun timing error Gun 2-3 error (ms) : 1.1
2435-2445     2435-2445 466-489 Bird depth out of spec Bird C2-6
2436-2447     2436-2447 98-121 Bird depth out of spec Bird C1-6
2440-2444     2440-2444 490-513 Bird depth out of spec Bird C2-7
2455-2465     2455-2465 466-489 Bird depth out of spec Bird C2-6
2476-2486     2476-2486 466-489 Bird depth out of spec Bird C2-6
2487-2501     2487-2501 74-97 Bird depth out of spec Bird C1-5
2530-2545     2530-2545 422-465 Bird depth out of spec Bird C2-5
2762-2773     2762-2773 122-145 Bird depth out of spec Bird C1-7
2763-2773     2763-2773 466-489 Bird depth out of spec Bird C2-6
2804-2817     2804-2817 538-561 Bird depth out of spec Bird C2-9
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 13:14:05utc 02-Aug-2002