ACQUISITION REPORT Sequence-0014
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2768A014
  Preplot G01A2768
  Direction 18.0°
  SOL Date 11:59:16utc 24-Oct-2001
  EOL Date 16:08:42utc 24-Oct-2001
 Attributes:  
   Wind Force 13.0 [knots] Dir NE
   Swell Height 1.1 [meters] Dir NE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 53.0 42.0 [meters]
   Bottomspeed  4.8 4.6 [knots]
   Featherangle sb +6.2 port -3.2 [deg]
   Cable noise 6.0 6.6 [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 2.0 0001 0001-0001 0001 0001 - 0001 0.00
2 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0036 0001-0036 0036 0001 - 0036 0.00
3 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0036 0001-0036 0036 0001 - 0036 0.00
4 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0001 0001-0001 0001 0001 - 0001 0.00
5 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0001-0368 0368 0001 - 0368 5.60
6 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0369-0736 0368 0369 - 0736 5.60
7 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0737-1104 0368 0737 - 1104 5.60
8 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1105-1472 0368 1105 - 1472 5.60
9 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1473-1840 0368 1473 - 1840 5.60
10 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1841-2208 0368 1841 - 2208 5.60
11 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 2209-2576 0368 2209 - 2576 5.60
12 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)   1966 - 1967  
   SOL Dummy Record(s) 1968 - 1977 1968 - 1977 11:58:01 - 11:59:09
   FSP Start of Line 1978 1978 11:59:16
   MSP      
   LSP End of Line 3929 3929 16:08:42
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3930 - 3931  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1978 - 3929 1978 - 3929 11:59:16-16:08:42 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m, STB Guns firing on ODD SP.    
   Recording QC Filter delay 5.6ms. Frontsheet Set 1. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1009mB. Str 8 Bird 1 mask on External Header, constantly deep, 8.1m. Gun String 1 Pressure indicator bad. STRONG SCREW NOISE ON EOL NOISE d/T SHARP TURN AFTER EOL    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1966 - 2395 1966 - 2395 2 61  
  2396 - 2825 2396 - 2825 1 62  
  2826 - 3255 2826 - 3255 2 63  
  3256 - 3685 3256 - 3685 1 64  
  3686 - 3931 3686 - 3931 2 65  
Stream 2
   Shot(s) Files Deck Reel Remark
  1966 - 2395 1966 - 2395 3 61  
  2396 - 2825 2396 - 2825 4 62  
  2826 - 3255 2826 - 3255 3 63  
  3256 - 3685 3256 - 3685 4 64  
  3686 - 3931 3686 - 3931 3 65  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1191 Killed traces  
ALL     ALL 1948 Killed traces  
ALL     ALL 2764 Killed traces  
ALL     ALL 2806 Killed traces  
ALL     ALL 304, 1127, 1495, 2775 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 5-7, 9, 369-371, 373, 377, 737-742, 744-745, 747-749, 751, 1105-1113, 1473, 2210 Slope alarm > 5% of total line
2049     2049 ALL Gun timing error Gun 3-2 error (ms) : -1.6
2093     2093 NONE Bird depth out of spec Bird C7-1
2331     2331 ALL Gun timing error Gun 3-2 error (ms) : -1.7
2345     2345 NONE Bird depth out of spec Bird C6-3
2347     2347 NONE Bird depth out of spec Bird C6-3
2356     2356 NONE Bird depth out of spec Bird C6-3
2360-2363     2360-2363 NONE Bird depth out of spec Bird C7-3
2363     2363 NONE Bird depth out of spec Bird C7-4
2365-2368     2365-2368 NONE Bird depth out of spec Bird C7-3
2367     2367 NONE Bird depth out of spec Bird C8-4
2466     2466 NONE Bird depth out of spec Bird C7-2
2879     2879 NONE Bird depth out of spec Bird C2-1
2981     2981 NONE Bird depth out of spec Bird C2-1
3168     3168 NONE Bird depth out of spec Bird C2-16
3316     3316 NONE Bird depth out of spec Bird C7-1
3318     3318 NONE Bird depth out of spec Bird C7-1
3320-3321     3320-3321 NONE Bird depth out of spec Bird C7-1
3323-3324     3323-3324 NONE Bird depth out of spec Bird C7-1
3326     3326 NONE Bird depth out of spec Bird C7-1
3339     3339 ALL Gun timing error Gun 3-2 error (ms) : -1.6
3370     3370 NONE Bird depth out of spec Bird C7-1
3376     3376 NONE Bird depth out of spec Bird C7-1
3779     3779 NONE Bird depth out of spec Bird C4-2
3876-3877     3876-3877 NONE Bird depth out of spec Bird C7-1
3880-3881     3880-3881 NONE Bird depth out of spec Bird C7-1
3897     3897 NONE Bird depth out of spec Bird C7-1
3916     3916 NONE Bird depth out of spec Bird C7-1
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL ALL   NFH 1.4 using GSAP reference


 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 17:54:44utc 24-Oct-2001