ACQUISITION REPORT Sequence-0258
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1248J258
  Preplot G01A1248
  Direction 18.0°
  SOL Date 21:28:37utc 06-Feb-2002
  EOL Date 01:03:53utc 07-Feb-2002
 Attributes:  
   Wind Force 22.0 [knots] Dir ENE
   Swell Height 2.5 [meters] Dir NE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 34.0 14.0 [meters]
   Bottomspeed  3.8 4.5 [knots]
   Featherangle port -0.7 sb +1.8 [deg]
   Cable noise 6.8 6.2 [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)   1019 - 1020  
   SOL Dummy Record(s) 1021 - 1030 1021 - 1030 21:27:01 - 21:28:28
   FSP Start of Line 1031 1031 21:28:37
   MSP 2062 2062 23:59:56
   LSP End of Line 2541 2541 01:03:53
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2542 - 2543  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1031 - 2541 1031 - 2541 21:28:37-01:03:53 Infill 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m - GUN SEQ REVERSED - STBD guns fire on EVEN sp's.    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1015mB. Intermittent low value parity errors cable 6. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. All gun DI's slightly erratic d/t swell. Occ swell noise seen on all cables approx. STB guns firing on EVEN SP's from SOL.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1019 - 1448 1019 - 1448 1 1046  
  1449 - 1878 1449 - 1878 2 1047  
  1879 - 2308 1879 - 2308 2 1048  
  2309 - 2543 2309 - 2543 2 1049  
Stream 2
   Shot(s) Files Deck Reel Remark
  1019 - 1448 1019 - 1448 3 1046  
  1449 - 1878 1449 - 1878 4 1047  
  1879 - 2308 1879 - 2308 3 1048  
  2309 - 2543 2309 - 2543 4 1049  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1495 Noisy Trace(s)  
ALL     ALL- 2662 Killed traces  
ALL     ALL 2307, 2782 Spiking Trace(s)  
ALL     ALL- 2641 Killed traces  
1949-1954     1949-1954 2283-2299 Bird depth out of spec Bird C7-5
2012-2038     2012-2038 2651-2667 Bird depth out of spec Bird C8-5
2013-2023     2013-2023 2259-2275 Bird depth out of spec Bird C7-4
2016-2026     2016-2026 2627-2643 Bird depth out of spec Bird C8-4
2343     2343 ALL Gun timing error Gun 5-4 error (ms) : -1.3
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Fails crossfeed test  
ALL     ALL 1-20, 22, 369-383, 385, 389-390, 737-753, 755, 1105-1113, 1126, 1473-1481, 1841-1857, 1860-1861, 2209-2227, 2229-2232, 2577-2578, 2582, 2584-2589, 2591-2593, 2601-2602, 2604-2605 Slope alarm > 5% of total line
1223     1223 ALL Gun timing error Gun 5-4 error (ms) : -1.4
1235     1235 ALL Gun timing error Gun 5-4 error (ms) : -1.2
1259     1259 ALL Gun timing error Gun 5-4 error (ms) : -1.2
1303     1303 ALL Gun timing error Gun 5-4 error (ms) : -1.4
1441     1441 ALL Gun timing error Gun 5-4 error (ms) : -1.2
1577     1577 ALL Gun timing error Gun 5-4 error (ms) : -1.3
1749     1749 ALL Gun timing error Gun 5-4 error (ms) : -1.3
1771     1771 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1909-1922     1909-1922 NONE Bird depth out of spec Bird C8-5
1943     1943 ALL Gun timing error Gun 5-4 error (ms) : -1.2
1956-1965     1956-1965 NONE Bird depth out of spec Bird C7-6
1969-1980     1969-1980 NONE Bird depth out of spec Bird C8-5
1981-1992     1981-1992 NONE Bird depth out of spec Bird C7-6
2014-2038     2014-2038 NONE Bird depth out of spec Bird C8-6
2017     2017 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2019     2019 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2124     2124 ALL Gun timing error Gun 3-1 error (ms) : -1.7
2177-2191     2177-2191 NONE Bird depth out of spec Bird C8-3
2341     2341 ALL Gun timing error Gun 5-4 error (ms) : -1.2
2403     2403 ALL Gun timing error Gun 5-4 error (ms) : -1.3
2409     2409 ALL Gun timing error Gun 5-4 error (ms) : -1.2
Comment
Shot(s)     File(s) Trace(s) Type Remark
1546     1546 ALL Manifold pressure low Subarray 2 below 1900 psi (incorrect reading)


 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 01:37:01utc 07-Feb-2002