ACQUISITION REPORT Sequence-0049
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3040D049
  Preplot G01A3040
  Direction 198.0°
  SOL Date 09:23:42utc 11-Nov-2001
  EOL Date 12:47:59utc 11-Nov-2001
 Attributes:  
   Wind Force 6.0 [knots] Dir W
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 99 [avg]  
       
  SOL EOL  
   Waterdepth 50.0 57.0 [meters]
   Bottomspeed  4.6 4.5 [knots]
   Featherangle sb +0.1 port -5.5 [deg]
   Cable noise 5.74 6.04 [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)   2997 - 2996  
   SOL Dummy Record(s) 2995 - 2986 2995 - 2986 09:22:23 - 09:23:34
   FSP Start of Line 2985 2985 09:23:42
   MSP      
   LSP End of Line 1438 1438 12:47:59
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1437 - 1437  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2985 - 2975 2985 - 2975 09:23:42-09:25:01 Reshoot 16 Valid Overlap sp's
    2974 - 1438 2974 - 1438 09:25:09-12:47:59 Reshoot 16 Valid Reshoot seq 39
 Remarks:      
   Navigation Streamer depth at 7.0m. GUN SEQ INCORRECT - STBD GUNS FIRE ON EVEN SP'S    
   Recording QC Filter delay 5.6ms. Frontsheet Set 3. Gundepth calibrated at atmospheric pressure 1016mB, pressure now 1010mB. Str 8 Bird 1 mask on External Header, occasionally deep, 8.1m. Gun PI on subarray 2 incorrect reading.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2997 - 2568 2997 - 2568 2 194  
  2567 - 2138 2567 - 2138 1 195  
  2137 - 1708 2137 - 1708 2 196  
  1707 - 1437 1707 - 1437 2 197 only one noise file recorded.
Stream 2
   Shot(s) Files Deck Reel Remark
  2997 - 2568 2997 - 2568 4 194  
  2567 - 2138 2567 - 2138 3 195  
  2137 - 1708 2137 - 1708 4 196  
  1707 - 1437 1707 - 1437 3 197 only one noise file recorded.

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1191, 1948 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 304, 1127, 2919 Noisy Trace(s)  
1761-1759     1761-1759 2259-2275 Bird depth out of spec Bird C7-4
1725-1723     1725-1723 2235-2251 Bird depth out of spec Bird C7-3
1565     1565 2235-2251 Bird depth out of spec Bird C7-3
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2301 Fails Crossfeed test  
ALL     ALL 1-9, 11-12, 369-374, 376-377, 737-745, 748-749, 752, 1105-1110, 1112-1113, 2209-2211, 2213, 2217 Slope alarm > 5% of total line
2802     2802 NONE Bird depth out of spec Bird C2-3
2713     2713 NONE Bird depth out of spec Bird C7-2
2374     2374 NONE Bird depth out of spec Bird C7-3
2295-2291     2295-2291 NONE Bird depth out of spec Bird C7-3
2283-2279     2283-2279 NONE Bird depth out of spec Bird C7-3
2281-2280     2281-2280 NONE Bird depth out of spec Bird C8-5
2278     2278 NONE Bird depth out of spec Bird C8-5
2277-2276     2277-2276 NONE Bird depth out of spec Bird C7-3
2026-2023     2026-2023 NONE Bird depth out of spec Bird C7-4
2022     2022 NONE Bird depth out of spec Bird C7-5
2002     2002 NONE Bird depth out of spec Bird C7-4
1999-1998     1999-1998 NONE Bird depth out of spec Bird C7-5
1982-1980     1982-1980 NONE Bird depth out of spec Bird C7-3
1942-1936     1942-1936 NONE Bird depth out of spec Bird C7-3
1925     1925 NONE Bird depth out of spec Bird C7-3
1917-1908     1917-1908 NONE Bird depth out of spec Bird C7-3
1906-1904     1906-1904 NONE Bird depth out of spec Bird C7-3
1901-1900     1901-1900 NONE Bird depth out of spec Bird C7-3
1869     1869 NONE Bird depth out of spec Bird C7-3
1864     1864 NONE Bird depth out of spec Bird C7-3
1845     1845 NONE Bird depth out of spec Bird C7-3
1843-1818     1843-1818 NONE Bird depth out of spec Bird C7-3
1816     1816 NONE Bird depth out of spec Bird C7-3
1797-1784     1797-1784 NONE Bird depth out of spec Bird C7-3
1780     1780 NONE Bird depth out of spec Bird C7-3
1775-1762     1775-1762 NONE Bird depth out of spec Bird C7-4
1766-1752     1766-1752 NONE Bird depth out of spec Bird C7-5
1763     1763 NONE Bird depth out of spec Bird C7-6
1761-1754     1761-1754 NONE Bird depth out of spec Bird C7-6
1758-1751     1758-1751 NONE Bird depth out of spec Bird C7-4
1750-1749     1750-1749 NONE Bird depth out of spec Bird C7-5
1747-1726     1747-1726 NONE Bird depth out of spec Bird C7-3
1740-1739     1740-1739 NONE Bird depth out of spec Bird C7-4
1722-1716     1722-1716 NONE Bird depth out of spec Bird C7-3
1695-1688     1695-1688 NONE Bird depth out of spec Bird C7-4
1689     1689 NONE Bird depth out of spec Bird C7-5
1680-1670     1680-1670 NONE Bird depth out of spec Bird C7-3
1668     1668 NONE Bird depth out of spec Bird C7-3
1645-1640     1645-1640 NONE Bird depth out of spec Bird C7-5
1635-1626     1635-1626 NONE Bird depth out of spec Bird C7-4
1611-1604     1611-1604 NONE Bird depth out of spec Bird C7-4
1607     1607 NONE Bird depth out of spec Bird C7-5
1604-1602     1604-1602 NONE Bird depth out of spec Bird C7-3
1601     1601 NONE Bird depth out of spec Bird C7-4
1601     1601 NONE Bird depth out of spec Bird C7-5
1599     1599 NONE Bird depth out of spec Bird C7-3
1580-1566     1580-1566 NONE Bird depth out of spec Bird C7-3
1564-1557     1564-1557 NONE Bird depth out of spec Bird C7-3
1564     1564 NONE Bird depth out of spec Bird C7-4
1548-1525     1548-1525 NONE Bird depth out of spec Bird C7-3
1544-1534     1544-1534 NONE Bird depth out of spec Bird C7-4
1538     1538 NONE Bird depth out of spec Bird C7-5
1523     1523 NONE Bird depth out of spec Bird C7-3
1492-1487     1492-1487 NONE Bird depth out of spec Bird C7-4
1491     1491 NONE Bird depth out of spec Bird C5-17
1488-1487     1488-1487 NONE Bird depth out of spec Bird C5-17
1488-1483     1488-1483 NONE Bird depth out of spec Bird C7-5
1486     1486 NONE Bird depth out of spec Bird C7-6
1475-1457     1475-1457 NONE Bird depth out of spec Bird C7-5
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 13:51:28utc 11-Nov-2001