ACQUISITION REPORT Sequence-0302
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1808K302
  Preplot G01A1808
  Direction 198.0°
  SOL Date 15:34:39utc 05-Mar-2002
  EOL Date 19:32:52utc 05-Mar-2002
 Attributes:  
   Wind Force 5.0 [knots] Dir ENE
   Swell Height 1.5 [meters] Dir E
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 37.3 43.2 [meters]
   Bottomspeed  4.6 4.5 [knots]
   Featherangle port -3.0 sb +0.7 [deg]
   Cable noise 3.9 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
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)   2882 - 2881  
   SOL Dummy Record(s) 999 - 2849 999 - 2849 19:32:52 - 15:34:47
   FSP Start of Line 2850 2850 15:34:39
   MSP      
   LSP End of Line 999 999 19:32:52
   EOL Dummy Record(s) 1000 - 2880 1000 - 2880 19:32:44 - 15:30:40
   EOL Noise Record(s)   998 - 997  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2850 - 999 2850 - 999 15:34:39-19:32:52 Prime 16 Valid  
 Remarks:      
   Navigation      
   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.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2882 - 2453 2882 - 2453 1 1228  
  2452 - 2023 2452 - 2023 2 1229  
  2022 - 1593 2022 - 1593 2 1230  
  1592 - 1163 1592 - 1163 1 1231  
  1162 - 997 1162 - 997 2 1232  
Stream 2
   Shot(s) Files Deck Reel Remark
  2882 - 2453 2882 - 2453 3 1228  
  2452 - 2023 2452 - 2023 4 1229  
  2022 - 1593 2022 - 1593 3 1230  
  1592 - 1163 1592 - 1163 4 1231  
  1162 - 997 1162 - 997 3 1232  
Stream 1001
   Shot(s) Files Deck Reel Remark
  1980 - 990 2372 - 995 1001 5  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476, 1633 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 109, 1657, 2307, 2772 Spiking Trace(s)  
ALL     ALL 1495 Noisy Trace(s)  
ALL     ALL- 2599 Killed traces  
1005-1042     1005-1042 219-235 Bird depth out of spec Bird C1-11
1473-1497     1473-1497 75-91 Bird depth out of spec Bird C1-5
1488-1511     1488-1511 51-67 Bird depth out of spec Bird C1-4
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1, occasionally deep 8.1m - 8.3m
ALL     ALL 1-9, 11-12, 369-374, 377, 737-741, 744-745, 748, 1105-1109, 1112, 1841-1850, 1852, 2209-2220, 2223-2224, 2577, 2585-2589, 2591-2592 Slope alarm > 5% of total line
1043-1064     1043-1064 219-235 Bird depth out of spec Bird C1-11
1190     1190 ALL Gun timing error Gun 5-1 error (ms) : 1.6
1450     1450 ALL Gun timing error Gun 5-1 error (ms) : -1.7
1452-1472     1452-1472 75-91 Bird depth out of spec Bird C1-5
1486-1499     1486-1499 443-459 Bird depth out of spec Bird C2-5
1488-1507     1488-1507 99-115 Bird depth out of spec Bird C1-6
2794     2794 ALL Gun Timing Error Gun 5-1 error (ms):-1.6
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 00:28:10utc 06-Mar-2002