ACQUISITION REPORT Sequence-0874
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170C
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A7160PFL874
  Preplot G01A7160FL
  Direction 288.0°
  SOL Date 12:23:44utc 03-Jun-2002
  EOL Date 12:59:33utc 03-Jun-2002
 Attributes:  
   Wind Force 18.0 [knots] Dir W
   Swell Height 1.0 [meters] Dir WSW
   Propellor rpm 122 [avg]  
   Propellor pitch 90 [avg]  
       
  SOL EOL  
   Waterdepth 97.0 74.0 [meters]
   Bottomspeed  4.0 4.0 [knots]
   Featherangle 0.0 sb +0.4 [deg]
   Cable noise 6.0 5.5 [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 -520.0 350.0 -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)   1698 - 1699  
   SOL Dummy Record(s) 1700 - 1709 1700 - 1709 12:22:15 - 12:23:35
   FSP Start of Line 1710 1710 12:23:44
   MSP      
   LSP End of Line 1950 1950 12:59:33
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1951 - 1952  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1710 - 1950 1710 - 1950 12:23:44-12:59:33 Prime 12 Valid  
 Remarks:      
   Navigation Streamer depth 7.0mtr    
   Recording QC #Line shot using streamers 1 - 6 only ### Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1036mB. Low frequency strumming Str 6 channels 1841 - 1875.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1700 - 1952 1700 - 1952 4 10081  
Stream 2
   Shot(s) Files Deck Reel Remark
  1700 - 1952 1700 - 1952 3 10081  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 353, 744, 2446 Killed traces  
ALL     ALL 1-5 Streamer depth Bird C1-1 out of spec deep at 12mtr
ALL     ALL 337 Spiking Trace(s)  
ALL     ALL 2209-2944 Do not process  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1857, 2943 Noisy Trace(s)  
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE Bird no comms Bird C4-2, C8-18


 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 13:53:18utc 03-Jun-2002