ACQUISITION REPORT Sequence-0010
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2688A010
  Preplot G01A2688
  Direction 18.0°
  SOL Date 08:03:40utc 23-Oct-2001
  EOL Date 12:24:07utc 23-Oct-2001
 Attributes:  
   Wind Force 12.0 [knots] Dir ENE
   Swell Height 1.5 [meters] Dir ENE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 53.0 42.0 [meters]
   Bottomspeed  4.3 4.7 [knots]
   Featherangle port -0.9 sb +4.2 [deg]
   Cable noise 6.34 6.13 [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)   1894 - 1895  
   SOL Dummy Record(s) 1896 - 1905 1896 - 1905 08:02:15 - 08:03:32
   FSP Start of Line 1906 1906 08:03:40
   MSP      
   LSP End of Line 3876 3876 12:24:07
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3877 - 3878  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1906 - 3876 1906 - 3876 08:03:40-12:24:07 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m, STB Guns firing on EVEN SP.    
   Recording QC Filter delay 5.6ms. Frontsheet Set 1. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1008mB. Str 8 Bird 1 mask on External Header, constantly deep, ~ 8.1m. Ground roll present on records. SSE Source geometry intermittent during line.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1894 - 2323 1894 - 2323 1 41  
  2324 - 2753 2324 - 2753 1 42  
  2754 - 3183 2754 - 3183 2 43  
  3184 - 3613 3184 - 3613 1 44  
  3614 - 3878 3614 - 3878 2 45  
Stream 2
   Shot(s) Files Deck Reel Remark
  1894 - 2323 1894 - 2323 4 41  
  2324 - 2753 2324 - 2753 3 42  
  2754 - 3183 2754 - 3183 4 43  
  3184 - 3613 3184 - 3613 3 44  
  3614 - 3878 3614 - 3878 4 45  

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 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 5-7, 9, 369-371, 737-745, 747-749, 751, 1105-1113, 1473, 1841, 2209-2210 Slope alarm > 5% of total line
2050     2050 NONE Bird depth out of spec Bird C4-2
2128     2128 NONE Bird depth out of spec Bird C5-1
2470     2470 NONE Bird depth out of spec Bird C5-1
2497     2497 NONE Bird depth out of spec Bird C7-1
2499     2499 NONE Bird depth out of spec Bird C7-1
2508     2508 NONE Bird depth out of spec Bird C7-1
2708     2708 NONE Bird depth out of spec Bird C7-1
2800     2800 NONE Bird depth out of spec Bird C7-1
2911     2911 NONE Bird depth out of spec Bird C7-1
2934     2934 NONE Bird depth out of spec Bird C7-1
2937     2937 NONE Bird depth out of spec Bird C7-1
2956     2956 NONE Bird depth out of spec Bird C6-1
2960     2960 NONE Bird depth out of spec Bird C6-1
2982     2982 NONE Bird depth out of spec Bird C5-1
2985     2985 NONE Bird depth out of spec Bird C4-2
2994     2994 NONE Bird depth out of spec Bird C7-1
3116     3116 NONE Bird depth out of spec Bird C7-1
3120     3120 NONE Bird depth out of spec Bird C7-1
3146     3146 NONE Bird depth out of spec Bird C7-1
3362     3362 ALL Gun timing error Gun 3-2 error (ms) : -1.6
3373     3373 NONE Bird depth out of spec Bird C1-1
3695     3695 NONE Bird depth out of spec Bird C5-1
3713     3713 NONE Bird depth out of spec Bird C5-1
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 12:18:24utc 23-Oct-2001