ACQUISITION REPORT Sequence-0378
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4160A378
  Preplot G01A4160
  Direction 198.0°
  SOL Date 13:43:47utc 24-Apr-2002
  EOL Date 20:04:43utc 24-Apr-2002
 Attributes:  
   Wind Force 12.0 [knots] Dir ENE
   Swell Height 2.0 [meters] Dir ESE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 46.9 74.0 [meters]
   Bottomspeed  4.8 4.1 [knots]
   Featherangle port -1.9 sb +6.1 [deg]
   Cable noise 3.6 6.1 [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)   4212 - 4211  
   SOL Dummy Record(s) 4210 - 4181 4210 - 4181 13:40:00 - 13:43:40
   FSP Start of Line 4180 4180 13:43:47
   MSP      
   LSP End of Line 1476 1476 20:04:43
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1475 - 1474  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4180 - 1476 4180 - 1476 13:43:47-20:04:43 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 10xxmB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP. Side swipes present at recording    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  4212 - 3783 4212 - 3783 2 1603  
  3782 - 3353 3782 - 3353 1 1604  
  3352 - 2923 3352 - 2923 1 1605  
  2922 - 2493 2922 - 2493 1 1606  
  2492 - 2063 2492 - 2063 2 1607  
  2062 - 1633 2062 - 1633 1 1608  
  1632 - 1475 1632 - 1475 2 1609  
Stream 2
   Shot(s) Files Deck Reel Remark
  4212 - 3783 4212 - 3783 4 1603  
  3782 - 3353 3782 - 3353 3 1604  
  3352 - 2923 3352 - 2923 4 1605  
  2922 - 2493 2922 - 2493 3 1606  
  2492 - 2063 2492 - 2063 4 1607  
  2062 - 1633 2062 - 1633 3 1608  
  1632 - 1475 1632 - 1475 4 1609  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 2265, 1553 Spiking Trace(s)  
ALL     ALL 1159, 1857, 2827, 2871 Noisy Trace(s)  
ALL     ALL 744 Killed traces  
3578-3555     3578-3555 2259-2275 Bird depth out of spec Bird C7-4, max depth 10.6m
3574-3558     3574-3558 2283-2299 Bird depth out of spec Bird C7-5, max depth 9.8m
3552-3548     3552-3548 2259-2275 Bird depth out of spec Bird C7-4, max depth 9.2m
3532-3528     3532-3528 2259-2275 Bird depth out of spec Bird C7-4, max depth 9.3m
3467-3462     3467-3462 2651-2667 Bird depth out of spec Bird C8-5, max depth 9.4m
3463-3453     3463-3453 2675-2691 Bird depth out of spec Bird C8-6, max depth 9.8m
3297-3284     3297-3284 2259-2275 Bird depth out of spec Bird C7-4, max depth 10.2m
3113-3103     3113-3103 2675-2691 Bird depth out of spec Bird C8-6, max depth 9.7m
2164-2153     2164-2153 51-67 Bird depth out of spec Bird C1-4, max depth 9.9m
2161-2147     2161-2147 419-435 Bird depth out of spec Bird C2-4, max depth 10.6m
2159-2145     2159-2145 443-459 Bird depth out of spec Bird C2-5, max depth 10.6m
2067-2056     2067-2056 467-483 Bird depth out of spec Bird C2-6, max depth 10.9m
2059-2053     2059-2053 491-507 Bird depth out of spec Bird C2-7, max depth 9.5m
1694-1676     1694-1676 443-459 Bird depth out of spec Bird C2-5, max depth 9.9m
1694-1661     1694-1661 414-472 Monowing wash Low frequency, high amplitude noise due to monowing wash
1688-1641     1688-1641 467-483 Bird depth out of spec Bird C2-6, max depth 11.5m
1682-1672     1682-1672 419-435 Bird depth out of spec Bird C2-4, max depth 10.3m
1673-1639     1673-1639 491-507 Bird depth out of spec Bird C2-7, max depth 11.3m
1672-1658     1672-1658 443-459 Bird depth out of spec Bird C2-5, max depth 10.2m
1659-1639     1659-1639 515-531 Bird depth out of spec Bird C2-8, max depth 10.3m
1658-1642     1658-1642 539-555 Bird depth out of spec Bird C2-9, max depth 10.3m
1625-1605     1625-1605 539-555 Bird depth out of spec Bird C2-9, min depth 3.4m
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 195-211 Bird comunication Bird C1-10 intermiten comunication
ALL     ALL 1-14, 16-17, 20, 22-24, 369-385, 388, 390, 393, 405, 1105-1117, 1121-1126, 1128-1135, 1147, 1473, 1481, 1484, 1489, 1841-1856, 1860, 1864, 2209-2226, 2229, 2232, 2577-2578, 2581-2589, 2591-2592, 2602 Slope alarm > 5% of total line
4165-1477     4165-1477 ALL Slope overload  
3642-3629     3642-3629 539-555 Bird depth out of spec Bird C2-9
3585-3575     3585-3575 2627-2643 Bird depth out of spec Bird C8-4
3568-3549     3568-3549 2307-2323 Bird depth out of spec Bird C7-6
3557-3541     3557-3541 2283-2299 Bird depth out of spec Bird C7-5
3547-3533     3547-3533 2259-2275 Bird depth out of spec Bird C7-4
3299-3288     3299-3288 2307-2323 Bird depth out of spec Bird C7-6
2679     2679 ALL Gun Timing Error Gun 1-2 (-1.7 ms)
2068-2062     2068-2062 419-435 Bird depth out of spec Bird C2-4
1911-1897     1911-1897 467-483 Bird depth out of spec Bird C2-6
1890-1881     1890-1881 1787-1803 Bird depth out of spec Bird C5-15
1729-1718     1729-1718 539-555 Bird depth out of spec Bird C2-9
1684-1674     1684-1674 491-507 Bird depth out of spec Bird C2-7
1653-1633     1653-1633 563-579 Bird depth out of spec Bird C2-10
1622     1622 ALL Gun Timing Error Gun 5-2 (-1.6 ms)
1488-1478     1488-1478 443-459 Bird depth out of spec Bird C2-5
Comment
Shot(s)     File(s) Trace(s) Type Remark


 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 21:06:35utc 24-Apr-2002