ACQUISITION REPORT Sequence-0879
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170C
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A5248PFH879
  Preplot G01A5248
  Direction 265.0°
  SOL Date 16:16:20utc 26-Jun-2002
  EOL Date 17:24:01utc 26-Jun-2002
 Attributes:  
   Wind Force 8.0 [knots] Dir N
   Swell Height 1.5 [meters] Dir VAR
   Propellor rpm 122 [avg]  
   Propellor pitch 85 [avg]  
       
  SOL EOL  
   Waterdepth 74.0 62.0 [meters]
   Bottomspeed  4.7 4.4 [knots]
   Featherangle sb +0.3 sb +4.0 [deg]
   Cable noise 10.4 6.1 [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 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 -520.0 250.0 -7.0 4600 Nessie-3 12.5 368 0001-0368
2 STBD -520.0 150.0 -7.0 4600 Nessie-3 12.5 368 0369-0736
3 STBD -520.0 50.0 -7.0 4600 Nessie-3 12.5 368 0737-1104
4 PORT -520.0 -50.0 -7.0 4600 Nessie-3 12.5 368 1105-1472
5 PORT -520.0 -150.0 -7.0 4600 Nessie-3 12.5 368 1473-1840
6 PORT -520.0 -250.0 -7.0 4600 Nessie-3 12.5 368 1841-2208

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

Production
  Shotpoint File Time [utc]
   SOL Noise Record(s)   2798 - 2799  
   SOL Dummy Record(s) 2800 - 2809 2800 - 2809 16:15:04 - 16:16:13
   FSP Start of Line 2810 2810 16:16:20
   MSP      
   LSP End of Line 3320 3320 17:24:01
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3321 - 3322  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2810 - 3320 2810 - 3320 16:16:20-17:24:01 Prime 12 Valid  
 Remarks:      
   Navigation Streamer depth 7.0mtr. Six streamer line. Orthogonal direction. Pass to south of Hallibut and Fortesque platforms.    
   Recording QC Frontsheet Set 5. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1021mB. Six streamer line.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2798 - 3322 2798 - 3322 2 10086  
Stream 2
   Shot(s) Files Deck Reel Remark
  2798 - 3322 2798 - 3322 4 10086  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2134, 2067 Noisy Trace(s)  
2833-2864     2833-2864 1891-1907 Bird depth out of spec Bird C6-4 max 10.5 mtrs
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL ALL Swell Noise Swell noise seen on all cables approx 15%
ALL     ALL 1127, 379, 1895 Noisy Trace(s) Slightly noisy
ALL     ALL 1-14, 17, 22, 369-385, 387, 389-390, 392-393, 395-396, 758, 762, 767, 1116-1117, 1121, 1473-1485, 1487, 1492, 1499, 1505, 1841-1858, 1861, 1863-1864 Slope alarm > 5% of total line
2864-2875     2864-2875 NONE Bird depth out of spec Bird C6-3 max 8.9 mtrs
2870-2891     2870-2891 NONE Bird depth out of spec Bird C6-5 max 9.1 mtrs
3000     3000 ALL Swell Noise Swell noise decreasing approx 5%
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 23:00:02utc 28-Jun-2002