ACQUISITION REPORT Sequence-0402
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4144B402
  Preplot G01A4144
  Direction 198.0°
  SOL Date 22:01:12utc 03-May-2002
  EOL Date 00:40:58utc 04-May-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir W
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 62.0 73.0 [meters]
   Bottomspeed  4.8 4.1 [knots]
   Featherangle port -4.7 port -7.1 [deg]
   Cable noise 5.3 5.6 [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)   2732 - 2731  
   SOL Dummy Record(s) 2730 - 2701 2730 - 2701 21:57:25 - 22:01:05
   FSP Start of Line 2700 2700 22:01:12
   MSP 1759 1759 23:59:55
   LSP End of Line 1469 1469 00:40:58
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1468 - 1467  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2700 - 1469 2700 - 1469 22:01:12-00:40:58 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m.    
   Recording QC Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1035mB. Low frequency strumming Str 6 channels 1841 - 1875. Low frequency noise dt currents approx 20 -40 uB.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2732 - 2303 2732 - 2303 1 1716  
  2302 - 1873 2302 - 1873 2 1717  
  1872 - 1468 1872 - 1468 1 1718  
Stream 2
   Shot(s) Files Deck Reel Remark
  2732 - 2303 2732 - 2303 4 1716  
  2302 - 1873 2302 - 1873 3 1717  
  1872 - 1468 1872 - 1468 4 1718  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 744, 2764 Killed traces  
ALL     ALL 1663, 2782 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1797, 1532 Spiking Trace(s)  
ALL     ALL 1857 Noisy Trace(s)  
2558-2545     2558-2545 48-84 Monowing wash Low frequency, high amplitude noise due to monowing wash
1601     1601 197-204 Spike Something hit streamer #1
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1316 Fails PS test Fails PS test
ALL     ALL 1-13, 16, 369-383, 1105-1106, 1109-1110, 1112-1113, 1121-1126, 1128-1135, 1489, 1841-1850, 1852-1853, 1855-1856, 2209-2220, 2222-2226, 2229, 2232, 2577-2578, 2582, 2584-2589, 2591, 2602 Slope alarm > 5% of total line
2557-2535     2557-2535 75-91 Bird depth out of spec Bird C1-5
2553-2538     2553-2538 443-459 Bird depth out of spec Bird C2-5
2530-2519     2530-2519 99-115 Bird depth out of spec Bird C1-6
2220-2145     2220-2145 ALL Streamer noise Low frequency noise dt currents approx 30-40uB
2128     2128 ALL Gun timing error Gun 5-2 error (ms) : -1.7
1814     1814 ALL Gun timing error Gun 5-2 error (ms) : -1.8
1742     1742 ALL Gun timing error Gun 5-2 error (ms) : -1.8
1655-1643     1655-1643 2675-2691 Bird depth out of spec Bird C8-6
1178       ALL Parity error Command Line
1163-1145       ALL Parity error Command Line
1145       ALL Parity error Command Line
1140-1122       ALL Parity error Command Line
1068-OPEN     OPEN ALL Parity error Command Line
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 03:12:18utc 05-May-2002