ACQUISITION REPORT Sequence-0261
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1600A261
  Preplot G01A1600
  Direction 198.0°
  SOL Date 18:36:27utc 07-Feb-2002
  EOL Date 23:04:07utc 07-Feb-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir S
   Swell Height 1.0 [meters] Dir S
   Propellor rpm 122 [avg]  
   Propellor pitch 84 [avg]  
       
  SOL EOL  
   Waterdepth 30.5 41.0 [meters]
   Bottomspeed  4.1 4.0 [knots]
   Featherangle port -4.4 port -1.6 [deg]
   Cable noise 3.7 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)   2818 - 2817  
   SOL Dummy Record(s) 2816 - 2787 2816 - 2787 18:32:06 - 18:36:18
   FSP Start of Line 2786 2786 18:36:27
   MSP      
   LSP End of Line 954 954 23:04:07
   EOL Dummy Record(s)      
   EOL Noise Record(s)   943 - 942  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2786 - 954 2786 - 954 18:36:27-23:04:07 Prime 16 Valid  
 Remarks:      
   Navigation Streamer at 7.0m. Streamer 8 affected by low level Earth Leakage.    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1001mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. Str 6 status line used for second spare    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2818 - 2389 2818 - 2389 1 1059  
  2388 - 1959 2388 - 1959 2 1060  
  1958 - 1529 1958 - 1529 1 1061  
  1528 - 1099 1528 - 1099 2 1062  
  1098 - 943 1098 - 943 1 1063  
Stream 2
   Shot(s) Files Deck Reel Remark
  2818 - 2389 2818 - 2389 3 1059  
  2388 - 1959 2388 - 1959 4 1060  
  1958 - 1529 1958 - 1529 3 1061  
  1528 - 1099 1528 - 1099 4 1062  
  1098 - 943 1098 - 943 3 1063  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 1855, 2641, 2662 Killed traces  
ALL     ALL 2307, 2782 Spiking Trace(s)  
ALL     ALL 1495 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2304 Crossfeed Crossfeed test failed
ALL     ALL 2665-2680 Streamer Earth Leakage Low level Earth Leakage Streamer 8
ALL     ALL 2713-2720 Streamer Earth Leakage Low level Earth Leakage Streamer 8
ALL     ALL 2729-2736 Streamer Earth Leakage Low level Earth Leakage Streamer 8
ALL     ALL 2746-2753 Streamer Earth Leakage Low level Earth Leakage Streamer 8
ALL     ALL 1-9, 11-12, 16, 369-380, 737-749, 751-752, 1105-1113, 1126, 1130, 1473, 1481, 1484-1485, 1487, 2209-2226, 2229-2230, 2577-2579, 2581-2589, 2591-2593, 2601-2602 Slope alarm > 5% of total line
2750     2750 ALL Gun timing error Gun 5-4 error (ms) : -1.2
2678     2678 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1618     1618 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1533     1533 ALL Gun timing error Gun 2-3 error (ms) : 1.1
1529     1529 ALL Gun timing error Gun 2-3 error (ms) : 1.1
1509     1509 ALL Gun timing error Gun 2-3 error (ms) : -1.4
1440-954     1440-954 ALL Swell Noise Occasional Swell Bursts seen on all Streamers
1403     1403 ALL Gun timing error Gun 2-3 error (ms) : -1.1
1293     1293 ALL Gun timing error Gun 2-3 error (ms) : -1.2
1283     1283 ALL Gun timing error Gun 2-3 error (ms) : -1.1
1178     1178 ALL Gun timing error Gun 5-4 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 23:11:49utc 07-Feb-2002