ACQUISITION REPORT Sequence-0298
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1808A298
  Preplot G01A1808
  Direction 18.0°
  SOL Date 13:38:58utc 03-Mar-2002
  EOL Date 18:41:14utc 03-Mar-2002
 Attributes:  
   Wind Force 0.0 [knots] $(wind_dir)
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 42.9 35.0 [meters]
   Bottomspeed  4.2 4.3 [knots]
   Featherangle port -5.5 port -3.0 [deg]
   Cable noise 3.8 4.6 [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)   1087 - 1088  
   SOL Dummy Record(s) 1089 - 1118 1089 - 1118 13:34:39 - 13:38:49
   FSP Start of Line 1119 1119 13:38:58
   MSP      
   LSP End of Line 3122 3122 18:41:14
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3123 - 3124  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1119 - 3122 1119 - 3122 13:38:58-18:41:14 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1025mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1087 - 1516 1087 - 1516 1 1216  
  1517 - 1946 1517 - 1946 2 1217  
  1947 - 2376 1947 - 2376 1 1218  
  2377 - 2806 2377 - 2806 2 1219  
  2807 - 3124 2807 - 3124 1 1220  
Stream 2
   Shot(s) Files Deck Reel Remark
  1087 - 1516 1087 - 1516 3 1216  
  1517 - 1946 1517 - 1946 4 1217  
  1947 - 2376 1947 - 2376 3 1218  
  2377 - 2806 2377 - 2806 4 1219  
  2807 - 3124 2807 - 3124 3 1220  

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  
2051-2087     2051-2087 123-139 Bird depth out of spec Bird C1-7
2057-2085     2057-2085 147-163 Bird depth out of spec Bird C1-8
2058-2089     2058-2089 99-115 Bird depth out of spec Bird C1-6
2059-2091     2059-2091 75-91 Bird depth out of spec Bird C1-5
2070-2081     2070-2081 51-67 Bird depth out of spec Bird C1-4
2084-2091     2084-2091 467-483 Bird depth out of spec Bird C2-6
2094-2107     2094-2107 491-507 Bird depth out of spec Bird C2-7
2094-2114     2094-2114 563-579 Bird depth out of spec Bird C2-10
2099-2105     2099-2105 467-483 Bird depth out of spec Bird C2-6
2102-2126     2102-2126 515-531 Bird depth out of spec Bird C2-8
2122-2127     2122-2127 587-603 Bird depth out of spec Bird C2-11
2187-2194     2187-2194 123-139 Bird depth out of spec Bird C1-7
2202-2215     2202-2215 147-163 Bird depth out of spec Bird C1-8
2216-2223     2216-2223 171-187 Bird depth out of spec Bird C1-9
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-12, 15-16, 369-380, 737-742, 744-745, 747-749, 751-752, 1105-1110, 1112-1113, 1473, 1841-1853, 1855-1856, 1861, 2209-2226, 2229-2231, 2577, 2585-2589, 2591-2593, 2601-2604 Slope alarm > 5% of total line
1129     1129 2209-2213 Bird depth out of spec Bird C7-1, occasionally deep 8.1m - 8.3m
2057-2069     2057-2069 51-67 Bird depth out of spec Bird C1-4
2069-2080     2069-2080 171-187 Bird depth out of spec Bird C1-9
2099-2130     2099-2130 439-555 Bird depth out of spec Bird C2-9
2100-2121     2100-2121 587-603 Bird depth out of spec Bird C2-11
2113-2135     2113-2135 611-627 Bird depth out of spec Bird C2-12
2157-2166     2157-2166 491-507 Bird depth out of spec Bird C2-7
2173-2183     2173-2183 515-531 Bird depth out of spec Bird C2-8
2185-2194     2185-2194 563-579 Bird depth out of spec Bird C2-10
2191-2201     2191-2201 147-183 Bird depth out of spec Bird C1-8
2216-2225     2216-2225 147-163 Bird depth out of spec Bird C1-8
Comment
Shot(s)     File(s) Trace(s) Type Remark
2050-2100     2050-2100 51-187 Monowing wash Bird instability due to monowing wash
2075-2200     2075-2200 467-627 Monowing wash Bird instability due to monowing wash
2082-2099     2082-2099 446-487 Monowing wash Low frequency, high amplitude noise due to monowing wash
2185-2230     2185-2230 491-579 Monowing wash Bird instability 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 18:45:46utc 03-Mar-2002