ACQUISITION REPORT Sequence-0268
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1568B268
  Preplot G01A1568
  Direction 198.0°
  SOL Date 21:16:36utc 12-Feb-2002
  EOL Date 22:18:24utc 12-Feb-2002
 Attributes:  
   Wind Force 20.0 [knots] Dir SSE
   Swell Height 1.0 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 38.0 40.0 [meters]
   Bottomspeed  4.6 4.4 [knots]
   Featherangle port -0.1 port -0.8 [deg]
   Cable noise 9.6 7.66 [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 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)   1441 - 1440  
   SOL Dummy Record(s) 1439 - 1410 1439 - 1410 21:12:39 - 21:16:28
   FSP Start of Line 1409 1409 21:16:36
   MSP      
   LSP End of Line 950 950 22:18:24
   EOL Dummy Record(s)      
   EOL Noise Record(s)   949 - 948  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1409 - 950 1409 - 950 21:16:36-22:18:24 Unknown 0 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1018mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1441 - 1012 1441 - 1012 2 1087  
  1011 - 948 1011 - 948 1 1088  
Stream 2
   Shot(s) Files Deck Reel Remark
  1441 - 1012 1441 - 1012 3 1087  
  1011 - 948 1011 - 948 3 1088  
Stream 1001
   Shot(s) Files Deck Reel Remark
  1938 - 942 1968 - 946 1001 4  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2662 Killed traces  
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1657, 2782, 2307 Spiking Trace(s)  
ALL     ALL 1495 Noisy Trace(s)  
1289-1284     1289-1284 99-115 Bird depth out of spec Bird C1-6
1288-1287     1288-1287 123-139 Bird depth out of spec Bird C1-7
1242-1066     1242-1066 99-115 Bird depth out of spec Bird C1-6
1214-1205     1214-1205 123-139 Bird depth out of spec Bird C1-7
1195-1194     1195-1194 123-139 Bird depth out of spec Bird C1-7
1188-1186     1188-1186 123-139 Bird depth out of spec Bird C1-7
1184-1102     1184-1102 123-139 Bird depth out of spec Bird C1-7
1175-1149     1175-1149 419-435 Bird depth out of spec Bird C2-4
1173-1112     1173-1112 75-91 Bird depth out of spec Bird C1-5
1165-1163     1165-1163 467-483 Bird depth out of spec Bird C2-6
1142-1126     1142-1126 51-67 Bird depth out of spec Bird C1-4
1139-1126     1139-1126 147-163 Bird depth out of spec Bird C1-8
1137-1124     1137-1124 491-507 Bird depth out of spec Bird C2-7
1103-1102     1103-1102 75-91 Bird depth out of spec Bird C1-5
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Fails Crossfeed Test  
ALL     ALL 1-12, 369-373, 377, 737-741, 744, 748, 1105-1110, 1112-1113, 1126, 1841-1850, 1852-1853, 1855, 1858, 1860-1861, 2209-2225, 2577, 2585-2589, 2591-2593, 2601-2602 Slope alarm > 5% of total line
1399-1350     1399-1350 99-115 Bird depth out of spec Bird C1-6
1306-1293     1306-1293 99-115 Bird depth out of spec Bird C1-6
1296-1289     1296-1289 123-139 Bird depth out of spec Bird C1-7
1286-1273     1286-1273 123-139 Bird depth out of spec Bird C1-7
1280-1263     1280-1263 99-115 Bird depth out of spec Bird C1-6
1259-1243     1259-1243 99-115 Bird depth out of spec Bird C1-6
1240-1217     1240-1217 123-139 Bird depth out of spec Bird C1-7
1233     1233 ALL Gun timing error Gun 3-1 error (ms) : 1.8
1230-1208     1230-1208 443-459 Bird depth out of spec Bird C2-5
1229-1210     1229-1210 419-435 Bird depth out of spec Bird C2-4
1227-1204     1227-1204 75-91 Bird depth out of spec Bird C1-5
1219-1207     1219-1207 467-483 Bird depth out of spec Bird C2-6
1202-1196     1202-1196 123-139 Bird depth out of spec Bird C1-7
1177-1174     1177-1174 75-91 Bird depth out of spec Bird C1-5
1175-1174     1175-1174 443-459 Bird depth out of spec Bird C2-5
1173-1159     1173-1159 27-43 Bird depth out of spec Bird C1-3
1171-1166     1171-1166 467-483 Bird depth out of spec Bird C2-6
1162-1155     1162-1155 467-483 Bird depth out of spec Bird C2-6
1155-1140     1155-1140 147-139 Bird depth out of spec Bird C1-8
1143-1131     1143-1131 443-459 Bird depth out of spec Bird C2-5
1125-1110     1125-1110 51-67 Bird depth out of spec Bird C1-4
1125-1115     1125-1115 147-163 Bird depth out of spec Bird C1-8
1117     1117 ALL Gun timing error Gun 3-1 error (ms) : -1.6
1111-1104     1111-1104 75-91 Bird depth out of spec Bird C1-5
1101-1061     1101-1061 123-139 Bird depth out of spec Bird C1-7
1065-1042     1065-1042 99-115 Bird depth out of spec Bird C1-6
1029-1011     1029-1011 99-115 Bird depth out of spec Bird C1-6
1009     1009 NONE Bird depth out of spec Bird C1-6
1001     1001 ALL Gun timing error Gun 3-1 error (ms) : -1.8
968-958     968-958 123-139 Bird depth out of spec Bird C1-7
956-953     956-953 123-139 Bird depth out of spec Bird C1-7
955-954     955-954 99-115 Bird depth out of spec Bird C1-6
952-950     952-950 99-115 Bird depth out of spec Bird C1-6
Comment
Shot(s)     File(s) Trace(s) Type Remark
1230-1207     1230-1207 25-163 Monowing wash Bird instability and Low amplitude noise caused by monowing wash
1230-1080     1230-1080 395-480 Monowing wash Bird instability and Low amplitude noise caused by monowing wash
1180-1118     1180-1118 395-480 Monowing wash Bird instability and Low amplitude noise caused by monowing wash


 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 22:26:28utc 12-Feb-2002