ACQUISITION REPORT Sequence-0862
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170C
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A0001LXT862
  Preplot G01A0001XT
  Direction 47.0°
  SOL Date 14:10:54utc 28-May-2002
  EOL Date 15:28:36utc 28-May-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir SE
   Swell Height 2.0 [meters] Dir ESE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 56.0 54.0 [meters]
   Bottomspeed  4.2 4.2 [knots]
   Featherangle port -1.7 port -6.1 [deg]
   Cable noise 8.3 8.45 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]
   Port Volume 3542 3307  
   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 8
2 PORT -345.0 -25.0 -6.0 3542.0 3 8

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)   919 - 920  
   SOL Dummy Record(s) 921 - 930 921 - 930 14:09:28 - 14:10:45
   FSP Start of Line 931 931 14:10:54
   MSP      
   LSP End of Line 1480 1480 15:28:36
   EOL Dummy Record(s)      
   EOL Noise Record(s)      
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    931 - 1480 931 - 1480 14:10:54-15:28:36 Infill 16 Valid  
 Remarks:      
   Navigation Streamer depth 7.0mtr    
   Recording QC Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1028mB. Low frequency strumming Str 6 channels 1841 - 1875. Strong reflection events during rig pass    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  919 - 1348 919 - 1348 1 10068  
  1349 - 1422 1349 - 1422 2 10069  
Stream 2
   Shot(s) Files Deck Reel Remark
  919 - 1348 919 - 1348 3 10068  
  1349 - 1422 1349 - 1422 4 10069  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 353, 377, 744 Killed traces  
ALL     ALL 1857 Noisy Trace(s)  
ALL     ALL 337, 347, 791, 1553 Spiking Trace(s)  
974-989     974-989 1-5 Bird depth out of spec Bird C1-1 max depth 10 mtrs
995-1106     995-1106 1-5 Bird depth out of spec Bird C1-1 max depth 9.6 mtrs
1108-1480     1108-1480 1-5 Bird depth out of spec Bird C1-1 max depth 10.5 mtrs
1176-1206     1176-1206 23-43 Bird depth out of spec Bird C1-3 max depth 10.8 mtrs
1179-1181     1179-1181 6-22 Bird depth out of spec Bird C1-2 max depth 9.2 mtrs
1180-1215     1180-1215 44-70 Bird depth out of spec Bird C1-4 max depth 11.9 mtrs
1188-1196     1188-1196 6-22 Bird depth out of spec Bird C1-2 max depth 9.2 mtrs
1189-1209     1189-1209 71-91 Bird depth out of spec Bird C1-5 max depth 10.3 mtrs
1190     1190 ALL Gun timing error Gun 6-2 error (ms) : 2.1
1194     1194 ALL Gun timing error Gun 6-2 error (ms) : 2.4
1198     1198 ALL Gun timing error Gun 6-2 error (ms) : 2.2
1219     1219 ALL Autofire Gun(s) Array 6 gun 2
1229     1229 ALL Autofire Gun(s) Array 6 Gun 2
1230     1230 ALL Gun timing error Gun 6-1 error (ms) : 2.3
1236     1236 ALL Gun autofire Gun 6-2 at 5760 ms after aimpoint
1237     1237 ALL Autofire Gun(s) Array 6 Gun2
1238     1238 ALL Gun timing error Gun 6-1 error (ms) : 2.3
1305     1305 ALL Gun timing error Gun 2-1 error (ms) : -2.2
1359-1370     1359-1370 2931-2944 Bird depth out of spec Bird C8-17 max depth 9.5 mtrs
1375-1407     1375-1407 27-44 Bird depth out of spec Bird C1-3 max depth 10.5 mtrs
1375-1392     1375-1392 45-67 Bird depth out of spec Bird C1-4 max depth 10.6 mtrs
Warning
Shot(s)     File(s) Trace(s) Type Remark
937-980     937-980 NONE Bird depth out of spec Bird C2-12
960-977     960-977 NONE Bird depth out of spec Bird C8-17
990-994     990-994 1-5 Bird depth out of spec Bird C1-1
1040-1056     1040-1056 NONE Bird depth out of spec Bird C3-16
1086-1110     1086-1110 NONE Bird depth out of spec Bird C8-5
1107-1130     1107-1130 NONE Bird depth out of spec Bird C8-3
1113-1133     1113-1133 NONE Bird depth out of spec Bird C7-4
1114-1132     1114-1132 NONE Bird depth out of spec Bird C7-5
1116-1125     1116-1125 NONE Bird depth out of spec Bird C7-3
1117-1130     1117-1130 NONE Bird depth out of spec Bird C8-5
1117-1139     1117-1139 NONE Bird depth out of spec Bird C8-6
1121-1129     1121-1129 NONE Bird depth out of spec Bird C8-4
1133-1161     1133-1161 NONE Bird depth out of spec Bird C8-17
1146-1158     1146-1158 NONE Bird depth out of spec Bird C8-5
1148-1159     1148-1159 NONE Bird depth out of spec Bird C1-2
1197-1213     1197-1213 NONE Bird depth out of spec Bird C1-2
1202     1202 ALL Gun timing error Gun 6-2 error (ms) : 1.6
1210-1237     1210-1237 NONE Bird depth out of spec Bird C1-5
1267-1282     1267-1282 NONE Bird depth out of spec Bird C1-2
1312-1331     1312-1331 NONE Bird depth out of spec Bird C1-4
1346-1358     1346-1358 NONE Bird depth out of spec Bird C8-17
1371-1380     1371-1380 NONE Bird depth out of spec Bird C8-17
1375-1433     1375-1433 NONE Bird depth out of spec Bird C1-2
1375-1388     1375-1388 NONE Bird depth out of spec Bird C2-4
1377-1386     1377-1386 NONE Bird depth out of spec Bird C2-3
1380-1390     1380-1390 NONE Bird depth out of spec Bird C1-5
1393-1404     1393-1404 NONE Bird depth out of spec Bird C1-4
1414-1432     1414-1432 NONE Bird depth out of spec Bird C1-3
1448-1480     1448-1480 NONE Bird depth out of spec Bird C1-2
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE Bird no comms Bird C4-2, C8-18
1241-1481     1241- ALL Gun disabled Gun 6-2. Source volume at shot 1241 : 3307 cu.in.


 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 04:03:35utc 29-May-2002