ACQUISITION REPORT Sequence-0052
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2416B052
  Preplot G01A2416
  Direction 198.0°
  SOL Date 01:30:36utc 12-Nov-2001
  EOL Date 02:57:42utc 12-Nov-2001
 Attributes:  
   Wind Force 1.0 [knots] Dir SSW
   Swell Height 0.5 [meters] $(swell_dir)
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 48.0 50.0 [meters]
   Bottomspeed  4.5 4.2 [knots]
   Featherangle port -4.0 port -5.1 [deg]
   Cable noise 4.67 5.88 [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)   2171 - 2170  
   SOL Dummy Record(s) 2169 - 2160 2169 - 2160 01:29:15 - 01:30:28
   FSP Start of Line 2159 2159 01:30:36
   MSP      
   LSP End of Line 1543 1543 02:57:42
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1542 - 1541  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2159 - 1543 2159 - 1543 01:30:36-02:57:42 Reshoot 16 Valid Reshoot of seq 29
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 3. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1013mB. Gun PI on subarray 2 occ erratic. Str 7 Bird 1 and Str 8 Bird 1 occasionally deep, 8.0m.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2171 - 1742 2171 - 1742 2 205  
  1741 - 1541 1741 - 1541 1 206  
Stream 2
   Shot(s) Files Deck Reel Remark
  2171 - 1742 2171 - 1742 4 205  
  1741 - 1541 1741 - 1541 3 206  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 304, 1127 Noisy Trace(s)  
2136     2136 ALL Gun timing error Gun 4-2 error (ms) : 2.0
2074     2074 2259-2275 Bird depth out of spec Bird C7-4
2073     2073 2283-2299 Bird depth out of spec Bird C7-5
2072     2072 2259-2275 Bird depth out of spec Bird C7-4
2070-2067     2070-2067 2235-2251 Bird depth out of spec Bird C7-3
Warning
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 1-7, 9, 12, 369-374, 376-377, 379, 737-752, 1105-1110, 1112-1113, 1841, 1845, 2209-2211, 2217 Slope alarm > 5% of total line
ALL     ALL 2301 Fails Crossfeed test  
2146     2146 NONE Bird depth out of spec Bird C8-4
2142     2142 ALL Gun timing error Gun 4-2 error (ms) : 1.7
2132     2132 ALL Gun timing error Gun 4-2 error (ms) : 1.6
2104-2101     2104-2101 NONE Bird depth out of spec Bird C7-1
2097-2096     2097-2096 NONE Bird depth out of spec Bird C7-1
2093     2093 NONE Bird depth out of spec Bird C7-1
2086     2086 NONE Bird depth out of spec Bird C7-3
2083-2080     2083-2080 NONE Bird depth out of spec Bird C7-3
2077-2075     2077-2075 NONE Bird depth out of spec Bird C7-4
2077     2077 NONE Bird depth out of spec Bird C8-4
2075     2075 NONE Bird depth out of spec Bird C7-1
2075-2071     2075-2071 NONE Bird depth out of spec Bird C7-3
2075-2074     2075-2074 NONE Bird depth out of spec Bird C7-5
2073     2073 NONE Bird depth out of spec Bird C7-4
2072-2069     2072-2069 NONE Bird depth out of spec Bird C7-5
2072-2065     2072-2065 NONE Bird depth out of spec Bird C7-6
2071-2068     2071-2068 NONE Bird depth out of spec Bird C7-4
2069-2065     2069-2065 NONE Bird depth out of spec Bird C7-7
2066-2065     2066-2065 NONE Bird depth out of spec Bird C7-3
2064     2064 NONE Bird depth out of spec Bird C7-1
2061-2051     2061-2051 NONE Bird depth out of spec Bird C7-5
2059-2055     2059-2055 NONE Bird depth out of spec Bird C7-4
2051-2050     2051-2050 NONE Bird depth out of spec Bird C8-4
2041     2041 NONE Bird depth out of spec Bird C4-11
2018-2016     2018-2016 NONE Bird depth out of spec Bird C8-4
2005-2004     2005-2004 NONE Bird depth out of spec Bird C8-4
2003     2003 NONE Bird depth out of spec Bird C8-5
2002     2002 NONE Bird depth out of spec Bird C8-4
1998     1998 NONE Bird depth out of spec Bird C7-1
1952-1951     1952-1951 NONE Bird depth out of spec Bird C6-3
1949-1948     1949-1948 NONE Bird depth out of spec Bird C6-3
1878     1878 NONE Bird depth out of spec Bird C7-1
1873     1873 NONE Bird depth out of spec Bird C6-3
1871     1871 NONE Bird depth out of spec Bird C7-1
1850-1849     1850-1849 NONE Bird depth out of spec Bird C7-1
1840     1840 NONE Bird depth out of spec Bird C7-1
1816     1816 NONE Bird depth out of spec Bird C8-4
1812     1812 ALL Gun timing error Gun 4-2 error (ms) : 1.6
1799     1799 NONE Bird depth out of spec Bird C7-1
1782     1782 NONE Bird depth out of spec Bird C7-1
1777     1777 NONE Bird depth out of spec Bird C8-4
1776     1776 NONE Bird depth out of spec Bird C7-1
1773     1773 NONE Bird depth out of spec Bird C6-2
1766     1766 NONE Bird depth out of spec Bird C7-1
1766-1765     1766-1765 NONE Bird depth out of spec Bird C8-4
1761     1761 NONE Bird depth out of spec Bird C7-1
1751     1751 NONE Bird depth out of spec Bird C7-1
1707-1706     1707-1706 NONE Bird depth out of spec Bird C7-1
1704     1704 NONE Bird depth out of spec Bird C8-4
1703-1702     1703-1702 NONE Bird depth out of spec Bird C7-1
1682     1682 NONE Bird depth out of spec Bird C6-2
1675     1675 NONE Bird depth out of spec Bird C7-1
1670     1670 NONE Bird depth out of spec Bird C8-4
1655     1655 NONE Bird depth out of spec Bird C8-4
1612     1612 NONE Bird depth out of spec Bird C8-4
1601     1601 NONE Bird depth out of spec Bird C7-1
1564     1564 NONE Bird depth out of spec Bird C7-1
1563     1563 NONE Bird depth out of spec Bird C4-2
1546     1546 NONE Bird depth out of spec Bird C8-4
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 03:08:52utc 12-Nov-2001