ACQUISITION REPORT Sequence-0009
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2496A009
  Preplot G01A2496
  Direction 198.0°
  SOL Date 01:47:12utc 23-Oct-2001
  EOL Date 06:00:20utc 23-Oct-2001
 Attributes:  
   Wind Force 8.0 [knots] Dir E
   Swell Height 0.5 [meters] Dir E
   Propellor rpm 122 [avg]  
   Propellor pitch 97 [avg]  
       
  SOL EOL  
   Waterdepth 40.0 52.0 [meters]
   Bottomspeed  4.5 4.8 [knots]
   Featherangle port -2.8 sb +5.1 [deg]
   Cable noise 5.12 5.99 [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)   3660 - 3659  
   SOL Dummy Record(s) 3658 - 3629 3658 - 3629 01:43:11 - 01:47:04
   FSP Start of Line 3628 3628 01:47:12
   MSP      
   LSP End of Line 1614 1614 06:00:20
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1613 - 1  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3628 - 1614 3628 - 1614 01:47:12-06:00:20 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 1010mB. Str 8 Bird 1 mask on External Header, constantly deep, 8.1-8.4m. Tugging noise present on all tail ends.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3660 - 3231 3660 - 3231 1 36  
  3230 - 2801 3230 - 2801 2 37  
  2800 - 2371 2800 - 2371 1 38  
  2370 - 1941 2370 - 1941 2 39  
  1940 - 1614 1940 - 1614 1 40  
Stream 2
   Shot(s) Files Deck Reel Remark
  3660 - 3231 3660 - 3231 3 36  
  3230 - 2801 3230 - 2801 4 37  
  2800 - 2371 2800 - 2371 3 38  
  2370 - 1941 2370 - 1941 4 39  
  1940 - 1614 1940 - 1614 4 40  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL-1614 1191, 1948, 2764, 2806 Killed traces  
ALL     ALL 304, 1127, 1483, 2775 Noisy Trace(s)  
2625     2625 2731 Spiking Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 9, 369-371, 737-745, 747-748, 1105-1106, 1109, 1112-1113, 2209-2211 Slope alarm > 5% of total line
3624-3603     3624-3603 2577-2584 Bird depth out of spec Bird C8-1 Deep all line 7.5 to 8.5m
3533     3533 2209-2217 Bird depth out of spec Bird C7-1
3448     3448 2209-2217 Bird depth out of spec Bird C7-1
3373     3373 2209-2217 Bird depth out of spec Bird C7-1
3356     3356 2209-2217 Bird depth out of spec Bird C7-1
3347     3347 2209-2217 Bird depth out of spec Bird C7-1
3339     3339 2209-2217 Bird depth out of spec Bird C7-1
3329     3329 1473-1481 Bird depth out of spec Bird C5-1
3141     3141 2209-2217 Bird depth out of spec Bird C7-1
3101     3101 2209-2217 Bird depth out of spec Bird C7-1
3081-3078     3081-3078 NONE Bird depth out of spec Bird C2-5
3079     3079 NONE Bird depth out of spec Bird C2-4
3077-3075     3077-3075 NONE Bird depth out of spec Bird C2-4
2687     2687 NONE Bird depth out of spec Bird C5-1
2570     2570 NONE Bird depth out of spec Bird C5-1
2541     2541 NONE Bird depth out of spec Bird C7-1
2539     2539 NONE Bird depth out of spec Bird C7-1
2501     2501 NONE Bird depth out of spec Bird C7-1
2451     2451 NONE Bird depth out of spec Bird C7-1
2445     2445 NONE Bird depth out of spec Bird C5-1
1648     1648 NONE Bird depth out of spec Bird C6-1
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE   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 11:58:07utc 23-Oct-2001