ACQUISITION REPORT Sequence-0027
 Survey:  
  Client Bass Strait Oil Company
  Area Vic/P42 Gippsland Basin
  Vessel GECO_BETA
  JobNumber 9226
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename VP421360P027
  Preplot VP421360
  Direction 13.0°
  SOL Date 03:48:28utc 03-Aug-2002
  EOL Date 07:43:21utc 03-Aug-2002
 Attributes:  
   Wind Force 3.0 [knots] Dir S
   Swell Height 0.5 [meters] Dir S
   Propellor rpm 135 [avg]  
   Propellor pitch 75 [avg]  
       
  SOL EOL  
   Waterdepth 65.0 56.0 [meters]
   Bottomspeed  4.9 4.5 [knots]
   Featherangle sb +0.4 sb +2.8 [deg]
   Cable noise 6.6 4.9 [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)   2801 - 2800  
   SOL Dummy Record(s) 2799 - 2790 2799 - 2790 03:47:15 - 03:48:20
   FSP Start of Line 2789 2789 03:48:28
   MSP      
   LSP End of Line 989 989 07:43:21
   EOL Dummy Record(s)      
   EOL Noise Record(s)   988 - 987  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2789 - 989 2789 - 989 03:48:28-07:43:21 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 8.0m    
   Recording QC Frontsheet Set 1. Gundepth calibrated at atmospheric pressure 1032mB, pressure now 1008mB. Excessive Noise on SOL Noise record dt bend in cable from short run in.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2801 - 2372 2801 - 2372 1 115  
  2371 - 1942 2371 - 1942 2 116  
  1941 - 1512 1941 - 1512 1 117  
  1511 - 1082 1511 - 1082 2 118  
  1081 - 987 1081 - 987 1 119  
Stream 2
   Shot(s) Files Deck Reel Remark
  2801 - 2372 2801 - 2372 3 115  
  2371 - 1942 2371 - 1942 4 116  
  1941 - 1512 1941 - 1512 3 117  
  1511 - 1082 1511 - 1082 4 118  
  1081 - 987 1081 - 987 3 119  

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 1492, 2497 Weak Trace(s) Trace signal less than -6dB of nominal value
2785-2778     2785-2778 2239-2293 Monowing wash Low frequency, high amplitude noise due to monowing wash
2764-2743     2764-2743 2219-2265 Monowing wash Low frequency, high amplitude noise due to monowing wash
2733-2714     2733-2714 2221-2280 Monowing wash Low frequency, high amplitude noise due to monowing wash
2690-2667     2690-2667 2216-2282 Monowing wash Low frequency, high amplitude noise due to monowing wash
2660-2655     2660-2655 2240-2241 Monowing wash Low frequency, high amplitude noise due to monowing wash
2648-2642     2648-2642 2233-2275 Monowing wash Low frequency, high amplitude noise due to monowing wash
2624-2613     2624-2613 2238-2202 Monowing wash Low frequency, high amplitude noise due to monowing wash
2609-2602     2609-2602 2234-2267 Monowing wash Low frequency, high amplitude noise due to monowing wash
2525     2525 ALL Gun timing error Gun 3-2 error (ms) : 2.1
2270-2234     2270-2234 2224-2313 Monowing wash Low frequency, high amplitude noise due to monowing wash
2254-2233     2254-2233 2639-2684 Monowing wash Low frequency, high amplitude noise due to monowing wash
2219-2194     2219-2194 2223-2285 Monowing wash Low frequency, high amplitude noise due to monowing wash
2191-2163     2191-2163 2622-2706 Monowing wash Low frequency, high amplitude noise due to monowing wash
2174-2152     2174-2152 2230-2290 Monowing wash Low frequency, high amplitude noise due to monowing wash
2172     2172 ALL External header lost  
2127-2085     2127-2085 2216-2297 Monowing wash Low frequency, high amplitude noise due to monowing wash
2116-2104     2116-2104 2662-2682 Monowing wash Low frequency, high amplitude noise due to monowing wash
2083-2032     2083-2032 2621-2679 Monowing wash Low frequency, high amplitude noise due to monowing wash
2058-2040     2058-2040 2223-2280 Monowing wash Low frequency, high amplitude noise due to monowing wash
1855     1855 ALL External header lost  
1569-1535     1569-1535 2239-2356 Monowing wash Low frequency, high amplitude noise due to monowing wash
1473-1465     1473-1465 74-97 Bird depth out of spec Bird C1-5 max depth 10.5mtr
1462-1449     1462-1449 466-489 Bird depth out of spec Bird C2-6 max depth 11.0mtr
1461-1453     1461-1453 98-121 Bird depth out of spec Bird C1-6 max depth 10.6mtr
1452-1436     1452-1436 490-513 Bird depth out of spec Bird C2-7 max depth 10.6mtr
1436-1425     1436-1425 514-537 Bird depth out of spec Bird C2-8 max depth 10.9mtr
1394-1386     1394-1386 586-609 Bird depth out of spec Bird C2-11 max depth 10.2mtr
1325-1306     1325-1306 98-121 Bird depth out of spec Bird C1-6 max depth 10.9mtr
1324-1308     1324-1308 122-145 Bird depth out of spec Bird C1-7 max depth 10.7mtr
1295-1269     1295-1269 538-561 Bird depth out of spec Bird C2-9 max depth 11.9mtr
1289-1258     1289-1258 562-585 Bird depth out of spec Bird C2-10 max depth 11.8mtr
1288-1237     1288-1237 586-609 Bird depth out of spec Bird C2-11 max depth 12.1mtr
1226-1217     1226-1217 98-121 Bird depth out of spec Bird C1-6 max depth 10.4mtr
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-20, 22, 369-383, 385, 737-746, 748-750, 752, 1841-1855, 1857-1858, 1861-1862, 2209-2226, 2228, 2230-2232, 2577-2601, 2603 Slope alarm > 5% of total line
2777-2762     2777-2762 NONE Bird depth out of spec Bird C7-5
2776-2765     2776-2765 NONE Bird depth out of spec Bird C7-3
2713-2694     2713-2694 NONE Bird depth out of spec Bird C7-9
2660     2660 ALL Gun timing error Gun 5-3 error (ms) : 1.2
2604     2604 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2599-2588     2599-2588 NONE Bird depth out of spec Bird C8-7
2583-2565     2583-2565 NONE Bird depth out of spec Bird C7-9
2570     2570 ALL Gun timing error Gun 5-3 error (ms) : 1.1
2548     2548 ALL Gun timing error Gun 5-3 error (ms) : -1.1
2421     2421 ALL Gun timing error Gun 2-3 error (ms) : -1.2
2255-2245     2255-2245 NONE Bird depth out of spec Bird C8-5
2225-2214     2225-2214 NONE Bird depth out of spec Bird C8-7
2210-2198     2210-2198 NONE Bird depth out of spec Bird C7-5
2195-2185     2195-2185 NONE Bird depth out of spec Bird C7-8
2190-2170     2190-2170 NONE Bird depth out of spec Bird C7-9
2179-2165     2179-2165 NONE Bird depth out of spec Bird C7-7
2152-2142     2152-2142 NONE Bird depth out of spec Bird C7-3
1977     1977 ALL Gun timing error Gun 3-2 error (ms) : 1.8
1969-1953     1969-1953 NONE Bird depth out of spec Bird C1-6
1953-1939     1953-1939 NONE Bird depth out of spec Bird C1-7
1924-1914     1924-1914 NONE Bird depth out of spec Bird C2-8
1718     1718 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1494-1469     1494-1469 NONE Bird depth out of spec Bird C7-5
1487-1469     1487-1469 NONE Bird depth out of spec Bird C7-6
1487-1462     1487-1462 NONE Bird depth out of spec Bird C7-7
1485-1456     1485-1456 NONE Bird depth out of spec Bird C7-8
1416-1402     1416-1402 NONE Bird depth out of spec Bird C2-9
1413-1401     1413-1401 NONE Bird depth out of spec Bird C2-8
1412-1390     1412-1390 NONE Bird depth out of spec Bird C2-10
1323-1307     1323-1307 NONE Bird depth out of spec Bird C1-8
1322-1312     1322-1312 NONE Bird depth out of spec Bird C1-5
1268-1224     1268-1224 NONE Bird depth out of spec Bird C2-9
1262-1241     1262-1241 NONE Bird depth out of spec Bird C2-12
1261-1240     1261-1240 NONE Bird depth out of spec Bird C2-8
1253-1241     1253-1241 NONE Bird depth out of spec Bird C2-10
1237-1227     1237-1227 NONE Bird depth out of spec Bird C1-6
1223-1210     1223-1210 NONE Bird depth out of spec Bird C1-7
1220-1207     1220-1207 NONE Bird depth out of spec Bird C2-10
1208-1187     1208-1187 NONE Bird depth out of spec Bird C2-11
1156-1146     1156-1146 NONE Bird depth out of spec Bird C2-7
1146-1119     1146-1119 NONE Bird depth out of spec Bird C2-9
1143-1132     1143-1132 NONE Bird depth out of spec Bird C2-8
1138-1118     1138-1118 NONE Bird depth out of spec Bird C2-11
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 17:57:26utc 03-Aug-2002