ACQUISITION REPORT Sequence-0012
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2672A012
  Preplot G01A2672
  Direction 18.0°
  SOL Date 23:36:08utc 23-Oct-2001
  EOL Date 03:41:36utc 24-Oct-2001
 Attributes:  
   Wind Force 12.0 [knots] Dir WSW
   Swell Height 1.5 [meters] Dir ENE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 53.0 42.0 [meters]
   Bottomspeed  4.9 4.8 [knots]
   Featherangle sb +4.1 sb +2.5 [deg]
   Cable noise 6.7 6.26 [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 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0001-0368 0368 0001 - 0368 5.60
2 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0369-0736 0368 0369 - 0736 5.60
3 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0737-1104 0368 0737 - 1104 5.60
4 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1105-1472 0368 1105 - 1472 5.60
5 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1473-1840 0368 1473 - 1840 5.60
6 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1841-2208 0368 1841 - 2208 5.60
7 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 2209-2576 0368 2209 - 2576 5.60
8 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)   1880 - 1881  
   SOL Dummy Record(s) 1882 - 1891 1882 - 1891 23:34:54 - 23:36:01
   FSP Start of Line 1892 1892 23:36:08
   MSP 2084 2084 23:59:56
   LSP End of Line 3865 3865 03:41:36
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3866 - 3867  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1892 - 3865 1892 - 3865 23:36:08-03:41:36 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7m    
   Recording QC NO SSE (CMS) or NFH RECORDED FOR THIS SEQ. Filter delay 5.6ms. Frontsheet Set 1. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1004mB. Str 8 Bird 1 mask on External Header, constantly deep, 8.1m.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1880 - 2309 1880 - 2309 1 51  
  2310 - 2739 2310 - 2739 2 52  
  2740 - 3169 2740 - 3169 1 53  
  3170 - 3599 3170 - 3599 2 54  
  3600 - 3867 3600 - 3867 1 55  
Stream 2
   Shot(s) Files Deck Reel Remark
  1880 - 2309 1880 - 2309 3 51  
  2310 - 2739 2310 - 2739 4 52  
  2740 - 3169 2740 - 3169 3 53  
  3170 - 3599 3170 - 3599 4 54  
  3600 - 3867 3600 - 3867 4 55  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 1191 Killed traces  
ALL     ALL- 1948 Killed traces  
ALL     ALL- 2764 Killed traces  
ALL     ALL- 2806 Killed traces  
ALL     ALL-OPEN 304, 1127, 1495, 2775 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 5-7, 9, 12, 369-371, 377, 737-749, 751-752, 757-759, 763-764, 1105-1113, 1126, 1130, 1473, 1841, 1850, 2209-2210 Slope alarm > 5% of total line
1919     1919 ALL Gun timing error Gun 3-2 error (ms) : -1.6
1945     1945 NONE Bird depth out of spec Bird C4-2
1962     1962 NONE Bird depth out of spec Bird C7-1
1986     1986 NONE Bird depth out of spec Bird C4-2
2073     2073 NONE Bird depth out of spec Bird C7-1
2120     2120 NONE Bird depth out of spec Bird C7-1
2144     2144 NONE Bird depth out of spec Bird C7-1
2166     2166 NONE Bird depth out of spec Bird C7-1
2418     2418 NONE Bird depth out of spec Bird C7-1
2436     2436 NONE Bird depth out of spec Bird C7-1
2438     2438 NONE Bird depth out of spec Bird C7-1
2527     2527 NONE Bird depth out of spec Bird C7-1
2529     2529 NONE Bird depth out of spec Bird C7-1
2597     2597 NONE Bird depth out of spec Bird C7-1
2651     2651 NONE Bird depth out of spec Bird C7-1
2757     2757 NONE Bird depth out of spec Bird C7-1
2763     2763 NONE Bird depth out of spec Bird C7-1
2783     2783 NONE Bird depth out of spec Bird C6-3
2785-2833     2785-2833 NONE Bird depth out of spec Bird C6-3
2791     2791 NONE Bird depth out of spec Bird C7-1
2794     2794 NONE Bird depth out of spec Bird C7-1
2833     2833 NONE Bird depth out of spec Bird C7-1
2851     2851 NONE Bird depth out of spec Bird C7-1
2912     2912 NONE Bird depth out of spec Bird C7-1
2914     2914 NONE Bird depth out of spec Bird C7-1
2926     2926 NONE Bird depth out of spec Bird C7-1
2935     2935 NONE Bird depth out of spec Bird C7-1
2988     2988 NONE Bird depth out of spec Bird C7-1
2996     2996 NONE Bird depth out of spec Bird C7-1
3106     3106 NONE Bird depth out of spec Bird C7-1
3220-3242     3220-3242 NONE Bird depth out of spec Bird C6-3
3244     3244 NONE Bird depth out of spec Bird C6-3
3313     3313 NONE Bird depth out of spec Bird C7-1
3360     3360 NONE Bird depth out of spec Bird C7-1
3474     3474 NONE Bird depth out of spec Bird C6-3
3495     3495 NONE Bird depth out of spec Bird C6-3
3498-3504     3498-3504 NONE Bird depth out of spec Bird C6-3
3509     3509 NONE Bird depth out of spec Bird C6-3
3511     3511 NONE Bird depth out of spec Bird C6-3
3587     3587 NONE Bird depth out of spec Bird C7-1
3595     3595 NONE Bird depth out of spec Bird C7-1
3818     3818 NONE Bird depth out of spec Bird C5-1
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL ALL   NFH 1.4 using GSAP reference
2084     2084 ALL LSP of Day  


 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 03:45:07utc 24-Oct-2001