ACQUISITION REPORT Sequence-0379
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4304A379
  Preplot G01A4304
  Direction 18.0°
  SOL Date 22:51:14utc 24-Apr-2002
  EOL Date 04:47:10utc 25-Apr-2002
 Attributes:  
   Wind Force 12.0 [knots] Dir NE
   Swell Height 1.5 [meters] Dir ESE
   Propellor rpm 122 [avg]  
   Propellor pitch 91 [avg]  
       
  SOL EOL  
   Waterdepth 88.0 47.2 [meters]
   Bottomspeed  4.3 4.7 [knots]
   Featherangle sb +0.7 sb +3.1 [deg]
   Cable noise 5.1 5.1 [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
0 STBD -345.0 25.0 -6.0 0.0 0 0
0 STBD -345.0 -25.0 -6.0 0.0 0 0

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)   1622 - 1623  
   SOL Dummy Record(s) 1624 - 1653 1624 - 1653 22:47:15 - 22:51:06
   FSP Start of Line 1654 1654 22:51:14
   MSP 2142 2142 23:59:59
   LSP End of Line 4306 4306 04:47:10
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4307 - 4308  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1654 - 1999 1654 - 1999 22:51:14-23:40:17 Prime 16 Scratched Turn noise to avoid Rigs
    2000 - 4306 2000 - 4306 23:40:25-04:47:10 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1018mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP. Turn noise present at SOL noise, Side swipes present at recording    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1622 - 2051 1622 - 2051 1 1610  
  2052 - 2481 2052 - 2481 2 1611  
  2482 - 2911 2482 - 2911 1 1612  
  2912 - 3341 2912 - 3341 2 1613  
  3342 - 3771 3342 - 3771 1 1614  
  3772 - 4201 3772 - 4201 1 1615  
  4202 - 4308 4202 - 4308 2 1616  
Stream 2
   Shot(s) Files Deck Reel Remark
  1622 - 2051 1622 - 2051 3 1610  
  2052 - 2481 2052 - 2481 4 1611  
  2482 - 2911 2482 - 2911 3 1612  
  2912 - 3341 2912 - 3341 4 1613  
  3342 - 3771 3342 - 3771 3 1614  
  3772 - 4201 3772 - 4201 4 1615  
  4202 - 4308 4202 - 4308 3 1616  
Stream 1001
   Shot(s) Files Deck Reel Remark
  1463 - 4312 1480 - 4310 1001 4  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 1476, 1633, 2782 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 2265, 1797, 1553 Spiking Trace(s)  
ALL     ALL 1159, 2871, 2827, 1857 Noisy Trace(s)  
ALL     ALL 744 Killed Trace  
2408-2416     2408-2416 2651-2667 Bird depth out of spec Bird C8-5, Max. depth 9.8m
2411-2426     2411-2426 2675-2691 Bird depth out of spec Bird C8-6, Max depth 9.6m
2439     2439 ALL Gun Timing Error Gun 3-6 error (ms) : 12.4
2458-2468     2458-2468 2307-2323 Bird depth out of spec Bird C7-6, Max. depth 9.7m
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-14, 16-17, 20, 22, 369-385, 388-390, 393, 405, 1105-1113, 1115-1116, 1122-1123, 1125-1126, 1128-1135, 1473, 1480-1481, 1484-1485, 1489, 1841-1856, 1860, 1864, 2209-2226, 2229-2230, 2232, 2577-2578, 2580-2589, 2591-2592, 2594, 2601-2602 Slope alarm > 5% of total line
2023-2041     2023-2041 2675-2691 Bird depth out of spec Bird C8-6
Comment
Shot(s)     File(s) Trace(s) Type Remark
2000     2000 ALL   FGSP : First Good Shot Point
2161-2196     2161-2196 2611-2662 Monowing wash Low frequency, high amplitude noise due to monowing wash


 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 06:02:32utc 25-Apr-2002