ACQUISITION REPORT Sequence-0235
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1088A235
  Preplot G01A1088
  Direction 18.0°
  SOL Date 10:38:51utc 27-Jan-2002
  EOL Date 13:32:14utc 27-Jan-2002
 Attributes:  
   Wind Force 0.0 [knots] Dir VAR
   Swell Height 1.0 [meters] Dir ENE
   Propellor rpm 122 [avg]  
   Propellor pitch 99 [avg]  
       
  SOL EOL  
   Waterdepth 33.0 15.0 [meters]
   Bottomspeed  3.7 4.3 [knots]
   Featherangle port -5.0 port -6.9 [deg]
   Cable noise 5.52 8.87 [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)   999 - 1000  
   SOL Dummy Record(s) 1001 - 1010 1001 - 1010 10:37:14 - 10:38:42
   FSP Start of Line 1011 1011 10:38:51
   MSP      
   LSP End of Line 2155 2155 13:32:14
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2156 - 2157  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1011 - 2155 1011 - 2155 10:38:51-13:32:14 Prime 14 Valid  
 Remarks:      
   Navigation Streamer depth at 7m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1011mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. Streamer 1 traces(1-368) NTBP d/t E/L.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  999 - 1428 999 - 1428 1 967  
  1429 - 1858 1429 - 1858 2 968  
  1859 - 2157 1859 - 2157 1 969  
Stream 2
   Shot(s) Files Deck Reel Remark
  999 - 1428 999 - 1428 4 967  
  1429 - 1858 1429 - 1858 3 968  
  1859 - 2157 1859 - 2157 3 969  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-368 Str 1 dead Str 1 NTBP d/t Earth Leakage fault
ALL     ALL- 1255 Killed traces  
ALL     ALL- 1855 Killed traces  
ALL     ALL 1495 Noisy Channel  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 369-383, 385, 389-390, 737-752, 764, 1105-1113, 1126, 1473-1483, 1485, 1487, 2209-2237, 2239, 2243, 2577-2578, 2584-2593, 2601-2609, 2614, 2617, 2629-2630 Slope alarm > 5% of total line
1215     1215 ALL Gun timing error Gun 2-6 -1.1 ms
1227     1227 ALL Gun timing error Gun 2-6 -1.1 ms
1427     1427 ALL Gun timing error Gun 2-6 1.1 ms
1657-1667     1657-1667 NONE Bird depth out of spec Bird C6-11
1701-1725     1701-1725 NONE Bird depth out of spec Bird C3-14
1840-1856     1840-1856 NONE Bird depth out of spec Bird C6-11
2060-2155     2060-2155 ALL   Slight turn noise affecting fronts of all streamers.
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL ALL Swell Noise Slight swell noise seen on all cables
2015     2015 ALL   Starting to turn slightly to stbd.


 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 21:39:52utc 27-Jan-2002