ACQUISITION REPORT Sequence-0158
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1952A158
  Preplot G01A1952
  Direction 198.0°
  SOL Date 17:56:50utc 28-Dec-2001
  EOL Date 22:18:27utc 28-Dec-2001
 Attributes:  
   Wind Force 0.0 [knots] $(wind_dir)
   Swell Height 1.0 [meters] Dir E
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 38.0 47.0 [meters]
   Bottomspeed  4.6 4.8 [knots]
   Featherangle port -5.0 sb +1.5 [deg]
   Cable noise 5.6 5.3 [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)   3184 - 3183  
   SOL Dummy Record(s) 3182 - 3153 3182 - 3153 17:52:51 - 17:56:42
   FSP Start of Line 3152 3152 17:56:50
   MSP      
   LSP End of Line 1128 1128 22:18:27
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1127 - 1126  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3152 - 1128 3152 - 1128 17:56:50-22:18:27 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7.0 m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1010mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. Bird 8-18 masked from external header d/t bad depth reading.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3184 - 2755 3184 - 2755 2 652  
  2754 - 2325 2754 - 2325 1 653  
  2324 - 1895 2324 - 1895 2 654  
  1894 - 1465 1894 - 1465 1 655  
  1464 - 1127 1464 - 1127 2 656  
Stream 2
   Shot(s) Files Deck Reel Remark
  3184 - 2755 3184 - 2755 3 652  
  2754 - 2325 2754 - 2325 4 653  
  2324 - 1895 2324 - 1895 3 654  
  1894 - 1465 1894 - 1465 4 655  
  1464 - 1127 1464 - 1127 3 656  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1853 Killed Trace(s)  
ALL     ALL 1657, 2307, 2731 Spiking Trace(s)  
ALL     ALL- 2871 Noisy Trace(s)  
1592     1592 ALL Gun timing error Gun 5-1 error (ms) : -2.0
1318-1307     1318-1307 75-91 Bird depth out of spec Bird C1-5
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE Bird depth out of spec Bird C7-1 occasional deep, 8.1m - 8.4m
ALL     ALL 4-6, 9, 369-371, 737-741, 744, 1105-1110, 1112-1113, 2209-2220, 2223-2224, 2577, 2585-2589, 2591, 2602 Slope alarm > 5% of total line
3146-3135     3146-3135 75-91 Bird depth out of spec Bird C1-5
3132-3123     3132-3123 99-115 Bird depth out of spec Bird C1-6
2260     2260 ALL Gun timing error Gun 5-2 error (ms) : -1.6
1632     1632 ALL Gun timing error Gun 5-1 error (ms) : -1.9
1322-1301     1322-1301 51-67 Bird depth out of spec Bird C1-4
1321-1319     1321-1319 75-91 Bird depth out of spec Bird C1-5
1306-1303     1306-1303 75-91 Bird depth out of spec Bird C1-5
1180     1180 ALL Gun timing error Gun 5-3 error (ms) : 1.1
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 22:33:47utc 28-Dec-2001