ACQUISITION REPORT Sequence-0331
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4944A331
  Preplot G01A4944
  Direction 198.0°
  SOL Date 01:01:16utc 26-Mar-2002
  EOL Date 06:41:05utc 26-Mar-2002
 Attributes:  
   Wind Force 16.0 [knots] Dir SW
   Swell Height 3.0 [meters] Dir NE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 78.0 292.0 [meters]
   Bottomspeed  4.1 4.0 [knots]
   Featherangle port -0.3 port -1.5 [deg]
   Cable noise 7.7 5.97 [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)   4224 - 4223  
   SOL Dummy Record(s) 4222 - 4213 4222 - 4213 00:59:47 - 01:01:07
   FSP Start of Line 4212 4212 01:01:16
   MSP      
   LSP End of Line 1792 1792 06:41:05
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1791 - 1790  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4212 - 1792 4212 - 1792 01:01:16-06:41:05 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1010mB, pressure now 1018mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP. Slight random swell noise detected during the line.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  4224 - 3795 4224 - 3795 2 1362  
  3794 - 3365 3794 - 3365 1 1363  
  3364 - 2935 3364 - 2935 2 1364  
  2934 - 2505 2934 - 2505 1 1365  
  2504 - 2075 2504 - 2075 2 1366  
  2074 - 1790 2074 - 1790 1 1367  
Stream 2
   Shot(s) Files Deck Reel Remark
  4224 - 3795 4224 - 3795 4 1362  
  3794 - 3365 3794 - 3365 3 1363  
  3364 - 2935 3364 - 2935 4 1364  
  2934 - 2505 2934 - 2505 3 1365  
  2504 - 2075 2504 - 2075 4 1366  
  2074 - 1790 2074 - 1790 3 1367  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1159 Noisy Trace(s)  
2604-2588     2604-2588 419-435 Bird depth out of spec Bird C2-4
2600-2593     2600-2593 395-411 Bird depth out of spec Bird C2-3
Warning
Shot(s)     File(s) Trace(s) Type Remark
3793-3782     3793-3782 NONE Bird depth out of spec Bird C1-4
2664-2651     2664-2651 NONE Bird depth out of spec Bird C1-4
2660-2644     2660-2644 NONE Bird depth out of spec Bird C1-5
2657-2645     2657-2645 NONE Bird depth out of spec Bird C2-4
2602-2589     2602-2589 NONE Bird depth out of spec Bird C2-5
1830-1820     1830-1820 NONE Bird depth out of spec Bird C2-5
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 06:53:15utc 26-Mar-2002