ACQUISITION REPORT Sequence-0384
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3840B384
  Preplot G01A3840
  Direction 18.0°
  SOL Date 17:28:30utc 28-Apr-2002
  EOL Date 23:49:29utc 28-Apr-2002
 Attributes:  
   Wind Force 16.0 [knots] Dir NE
   Swell Height 2.0 [meters] Dir E
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 64.0 48.0 [meters]
   Bottomspeed  3.8 4.3 [knots]
   Featherangle sb +3.8 port -4.9 [deg]
   Cable noise 7.41 6.7 [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
0 STBD -345.0 25.0 -6.0 0.0 0 0
0 STBD -345.0 -25.0 -6.0 0.0 0 0

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)   1592 - 1593  
   SOL Dummy Record(s) 1594 - 1623 1594 - 1623 17:23:47 - 17:28:21
   FSP Start of Line 1624 1624 17:28:30
   MSP      
   LSP End of Line 4286 4286 23:49:29
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4287 - 4288  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1624 - 4286 1624 - 4286 17:28:30-23:49:29 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m.    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1036mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP. Bird C1-15 lost communication SP 2544-EOL, mask on External Header.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1592 - 2021 1592 - 2021 1 1634  
  2022 - 2451 2022 - 2451 2 1635  
  2452 - 2881 2452 - 2881 1 1636  
  2882 - 3311 2882 - 3311 2 1637  
  3312 - 3741 3312 - 3741 1 1638  
  3742 - 4171 3742 - 4171 2 1639  
  4172 - 4288 4172 - 4288 1 1640  
Stream 2
   Shot(s) Files Deck Reel Remark
  1592 - 2021 1592 - 2021 4 1634  
  2022 - 2451 2022 - 2451 3 1635  
  2452 - 2881 2452 - 2881 4 1636  
  2882 - 3311 2882 - 3311 3 1637  
  3312 - 3741 3312 - 3741 4 1638  
  3742 - 4171 3742 - 4171 3 1639  
  4172 - 4288 4172 - 4288 3 1640  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 744 Killed traces  
ALL     ALL 1553, 2265, 2764 Spiking Trace(s)  
ALL     ALL 1857, 2827, 2871 Noisy Trace(s)  
ALL     ALL 1633, 2782 Weak Trace(s) Trace signal less than -6dB of nominal value
1934-1952     1934-1952 2581-2624 Monowing wash Low frequency, high amplitude noise due to monowing wash
1942-1955     1942-1955 2651-2667 Bird depth out of spec Bird C8-5, max depth 9.9m
2019-2029     2019-2029 2586-2660 Monowing wash Low frequency, high amplitude noise due to monowing wash
2464-2468     2464-2468 2627-2643 Bird depth out of spec Bird C8-4, max depth 9.5m
2876-2888     2876-2888 2627-2643 Bird depth out of spec Bird C8-4, max depth 9,6m
3367-3376     3367-3376 2627-2643 Bird depth out of spec Bird C8-4, max depth 9.9m
3762     3762 ALL Gun timing error Gun 5-2 error (ms) : -2.2
4282-4286     4282-4286 NONE Bird depth out of spec Bird C8-5, max depth 9.5m
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-13, 16-17, 22, 369-383, 385, 390, 1105-1113, 1126, 1130, 1135, 1484, 1841-1856, 1860, 2209-2226, 2229, 2232, 2577, 2585-2588, 2591, 2602 Slope alarm > 5% of total line
1626     1626 ALL Gun Timing Error Gun 5-2 error (ms) : -1.7
1680     1680 ALL Gun timing error Gun 6-4 error (ms) : 1.1
1682     1682 ALL Gun timing error Gun 6-4 error (ms) : 1.5
1792-1802     1792-1802 147-163 Bird depth out of spec Bird C1-8
1866-1873     1866-1873 2603-2619 Bird depth out of spec Bird C8-3
1946-1957     1946-1957 2627-2643 Bird depth out of spec Bird C8-4
1946-1960     1946-1960 2675-2691 Bird depth out of spec Bird C8-6
1957-1966     1957-1966 2651-2667 Bird depth out of spec Bird C8-5
1963-1972     1963-1972 2283-2299 Bird depth out of spec Bird C7-5
1977-1991     1977-1991 2627-2643 Bird depth out of spec Bird C8-4
1982-1990     1982-1990 2651-2667 Bird depth out of spec Bird C8-5
1991-2000     1991-2000 2259-2275 Bird depth out of spec Bird C7-4
1993-2002     1993-2002 2283-2299 Bird depth out of spec Bird C7-5
2040-2052     2040-2052 2627-2643 Bird depth out of spec Bird C8-4
2462-2473     2462-2473 2651-2667 Bird depth out of spec Bird C8-5
2512-2522     2512-2522 2675-2691 Bird depth out of spec Bird C8-6
2525-2538     2525-2538 2283-2299 Bird depth out of spec Bird C7-5
2863-2876     2863-2876 147-163 Bird depth out of spec Bird C1-8
2879-2896     2879-2896 2283-2299 Bird depth out of spec Bird C7-5
2881-2890     2881-2890 2259-2275 Bird depth out of spec Bird C7-4
2920-2935     2920-2935 2283-2299 Bird depth out of spec Bird C7-5
3007-3020     3007-3020 2627-2643 Bird depth out of spec Bird C8-4
3026-3035     3026-3035 2627-2643 Bird depth out of spec Bird C8-4
3192-3208     3192-3208 147-163 Bird depth out of spec Bird C1-8
3309-3312     3309-3312 147-163 Bird depth out of spec Bird C1-8
3362-3379     3362-3379 2651-2667 Bird depth out of spec Bird C8-5
3367-3376     3367-3376 2283-2299 Bird depth out of spec Bird C7-5
3452-3461     3452-3461 2355-2371 Bird depth out of spec Bird C7-8
3632-3642     3632-3642 2675-2691 Bird depth out of spec Bird C8-6
3954-3966     3954-3966 2627-2643 Bird depth out of spec Bird C8-4
3966-3979     3966-3979 2675-2691 Bird depth out of spec Bird C8-6
3974-3989     3974-3989 2307-2323 Bird depth out of spec Bird C7-6
4062-4073     4062-4073 2675-2691 Bird depth out of spec Bird C8-6
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL ALL Streamer noise Bursts swell noise present at recording affected 5% traces


 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 00:41:46utc 29-Apr-2002