ACQUISITION REPORT Sequence-0023
 Survey:  
  Client Bass Strait Oil Company
  Area Vic/P42 Gippsland Basin
  Vessel GECO_BETA
  JobNumber 9226
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename VP421328A023
  Preplot VP421328
  Direction 13.0°
  SOL Date 06:25:24utc 02-Aug-2002
  EOL Date 08:12:15utc 02-Aug-2002
 Attributes:  
   Wind Force 1.0 [knots] Dir SE
   Swell Height 1.0 [meters] Dir SE
   Propellor rpm 137 [avg]  
   Propellor pitch 92 [avg]  
       
  SOL EOL  
   Waterdepth 64.0 56.0 [meters]
   Bottomspeed  3.4 4.7 [knots]
   Featherangle port -6.7 sb +0.4 [deg]
   Cable noise 0.0 5.4 [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)      
   SOL Dummy Record(s)      
   FSP Start of Line 1780 1780 06:25:24
   MSP      
   LSP End of Line 979 979 08:12:15
   EOL Dummy Record(s)      
   EOL Noise Record(s)   969 - 968  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1780 - 979 1780 - 979 06:25:24-08:12:15 Reshoot 16 Valid  
 Remarks:      
   Navigation Streamer depth 8.0mtr.    
   Recording QC Frontsheet Set 5. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1012mB. SOL noise NOT available.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1780 - 1351 1780 - 1351 2 98  
  1350 - 969 1350 - 969 1 99  
Stream 2
   Shot(s) Files Deck Reel Remark
  1780 - 1351 1780 - 1351 4 98  
  1350 - 969 1350 - 969 3 99  

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 2497, 1492 Weak Trace(s) Trace signal less than -6dB of nominal value
1780-1743     1780-1743 2378-2401 Bird depth out of spec Bird C7-9, max depth 10.6m
1558-1530     1558-1530 426-524 Monowing wash Low frequency, high amplitude noise due to monowing wash
1510-1484     1510-1484 36-89 Monowing wash Low frequency, high amplitude noise due to monowing wash
1509-1469     1509-1469 74-97 Bird depth out of spec Bird C1-5, max depth 11.2m
1495-1481     1495-1481 98-121 Bird depth out of spec Bird C1-6, max depth 11m
1492-1475     1492-1475 586-609 Bird depth out of spec Bird C2-11, max depth 10.5m
1492-1475     1492-1475 412-462 Monowing wash Low frequency, high amplitude noise due to monowing wash
1475-1437     1475-1437 490-513 Bird depth out of spec Bird C2-7 max depth 12.2m
1460-1434     1460-1434 514-537 Bird depth out of spec Bird C2-8 max depth 11.3m
1311-1306     1311-1306 98-121 Bird depth out of spec Bird C1-6, max depth 10.8m
1217-1208     1217-1208 2251-2295 Monowing wash Low frequency, high amplitude noise due to monowing wash
1209-1194     1209-1194 2282-2305 Bird depth out of spec Bird C7-5, max depth 11.5m
1194-1177     1194-1177 2306-2329 Bird depth out of spec Bird C7-6, max depth 11.1m
1163-1157     1163-1157 2305 Bird depth out of spec Bird C7-5, max depth 10.5m
1159-1138     1159-1138 2243-2292 Monowing wash Low frequency, high amplitude noise due to monowing wash
1145-1102     1145-1102 2330-2353 Bird depth out of spec Bird C7-7, max depth 11.6m
1137-1123     1137-1123 2305 Bird depth out of spec Bird C7-5, max depth 11m
1137-1090     1137-1090 2354-2377 Bird depth out of spec Bird C7-8, max depth 12m
1125-1086     1125-1086 2378-2401 Bird depth out of spec Bird C7-9, max depth 11.2m
1121-1111     1121-1111 2306-2329 Bird depth out of spec Bird C7-6, max depth 10.7m
1062-1058     1062-1058 2282-2305 Bird depth out of spec Bird C7-5, max depth 10.4m
1042-1034     1042-1034 2330-2353 Bird depth out of spec Bird C7-7, max depth 10.8m
Warning
Shot(s)     File(s) Trace(s) Type Remark
1768-1754     1768-1754 74-97 Bird depth out of spec Bird C1-5
1760-1738     1760-1738 2402-2425 Bird depth out of spec Bird C7-10
1748-1735     1748-1735 6-25 Bird depth out of spec Bird C1-2
1745-1733     1745-1733 26-49 Bird depth out of spec Bird C1-3
1742-1713     1742-1713 2378-2401 Bird depth out of spec Bird C7-9
1571-1555     1571-1555 74-97 Bird depth out of spec Bird C1-5
1553-1539     1553-1539 74-97 Bird depth out of spec Bird C1-5
1543-1527     1543-1527 466-489 Bird depth out of spec Bird C2-6
1534-1500     1534-1500 490-513 Bird depth out of spec Bird C2-7
1519-1499     1519-1499 514-537 Bird depth out of spec Bird C2-8
1512-1497     1512-1497 50-73 Bird depth out of spec Bird C1-4
1511-1496     1511-1496 538-561 Bird depth out of spec Bird C2-9
1503-1485     1503-1485 562-585 Bird depth out of spec Bird C2-10
1482-1462     1482-1462 442-465 Bird depth out of spec Bird C2-5
1477-1470     1477-1470 466-489 Bird depth out of spec Bird C2-6
1348     1348 ALL Gun Timing Error Gun 5-8 (-1.1 ms)
1086-1071     1086-1071 2306-2329 Bird depth out of spec Bird C7-6
1084-1074     1084-1074 2305 Bird depth out of spec Bird C7-5
1067-1057     1067-1057 2306-2329 Bird depth out of spec Bird C7-6
1061-1043     1061-1043 2330-2353 Bird depth out of spec Bird C7-7
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 20:28:54utc 02-Aug-2002