ACQUISITION REPORT Sequence-0097
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3488A097
  Preplot G01A3488
  Direction 198.0°
  SOL Date 17:40:52utc 30-Nov-2001
  EOL Date 23:19:41utc 30-Nov-2001
 Attributes:  
   Wind Force 10.0 [knots] Dir SW
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 46.0 66.0 [meters]
   Bottomspeed  4.7 4.1 [knots]
   Featherangle sb +1.1 port -3.1 [deg]
   Cable noise 6.2 7.6 [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)   4113 - 4112  
   SOL Dummy Record(s) 4111 - 4082 4111 - 4082 17:36:59 - 17:40:44
   FSP Start of Line 4081 4081 17:40:52
   MSP      
   LSP End of Line 1631 1631 23:19:41
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1630 - 1629  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4081 - 1631 4081 - 1631 17:40:52-23:19:41 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1004mB. Str 8 Bird 1 mask on External Header, occasionally deep, 8.1m.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  4113 - 3824 4113 - 3824 1 383  
  3823 - 3469 3823 - 3469 2 384  
  3468 - 3039 3468 - 3039 1 385  
  3038 - 2609 3038 - 2609 2 386  
  2608 - 2179 2608 - 2179 1 387  
  2178 - 1749 2178 - 1749 2 388  
  1748 - 1630 1748 - 1630 1 389  
Stream 2
   Shot(s) Files Deck Reel Remark
  4113 - 3824 4113 - 3824 3 383  
  3823 - 3469 3823 - 3469 4 384  
  3468 - 3039 3468 - 3039 3 385  
  3038 - 2609 3038 - 2609 4 386  
  2608 - 2179 2608 - 2179 3 387  
  2178 - 1749 2178 - 1749 4 388  
  1748 - 1630 1748 - 1630 3 389  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 2220 Killed traces  
ALL     ALL 1191 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 839, 1127 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2577-2581 Bird depth out of spec Bird C8-1 deep. all the line, max 8.3m
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1 often deep, max 8.2m
ALL     ALL 1-12, 15-16, 369-380, 737-749, 751-752, 755, 1105-1113, 1126, 1130-1131, 1133, 1473, 1481, 1484-1485, 1489, 1499, 1841-1853, 1855-1856, 2577, 2585-2588 Slope alarm > 5% of total line
3945     3945 ALL Gun timing error Gun 2-2 error (ms) : -1.6
3774     3774 1845-1859 Bird depth out of spec Bird C6-2
3543     3543 ALL Gun timing error Gun 2-2 error (ms) : -1.6
3539     3539 ALL Gun timing error Gun 2-3 error (ms) : 1.3
3533     3533 ALL Gun timing error Gun 2-2 error (ms) : -1.6
3231-3229     3231-3229 2651-2667 Bird depth out of spec Bird C8-5
2973     2973 ALL Gun timing error Gun 2-3 error (ms) : 1.1
2960     2960 2213-2227 Bird depth out of spec Bird C7-2
2802     2802 2213-2227 Bird depth out of spec Bird C7-2
2685     2685 ALL Gun timing error Gun 2-3 error (ms) : 1.2
2641     2641 ALL Gun timing error Gun 2-3 error (ms) : 1.5
2619     2619 ALL Gun timing error Gun 2-3 error (ms) : 1.2
2601     2601 ALL Gun timing error Gun 2-3 error (ms) : 1.2
2569     2569 ALL Gun timing error Gun 2-3 error (ms) : 1.1
2564-2563     2564-2563 2213-2227 Bird depth out of spec Bird C7-2
2513     2513 ALL Gun timing error Gun 2-3 error (ms) : 1.2
2375     2375 2213-2227 Bird depth out of spec Bird C7-2
2152     2152 2213-2227 Bird depth out of spec Bird C7-2
2150-2148     2150-2148 2213-2227 Bird depth out of spec Bird C7-2
2115-2112     2115-2112 419-435 Bird depth out of spec Bird C2-4
1894-1888     1894-1888 443-459 Bird depth out of spec Bird C2-5
1886     1886 443-459 Bird depth out of spec Bird C2-5
1852     1852 5-19 Bird depth out of spec Bird C1-2
1820-1816     1820-1816 395-411 Bird depth out of spec Bird C2-3
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 00:22:53utc 01-Dec-2001