ACQUISITION REPORT Sequence-0003
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2528B003
  Preplot G01A2528
  Direction 198.0°
  SOL Date 14:15:48utc 21-Oct-2001
  EOL Date 16:28:19utc 21-Oct-2001
 Attributes:  
   Wind Force 3.0 [knots] Dir ENE
   Swell Height 0.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 85 [avg]  
       
  SOL EOL  
   Waterdepth 48.0 53.0 [meters]
   Bottomspeed  4.6 4.8 [knots]
   Featherangle sb +3.3 sb +7.1 [deg]
   Cable noise 4.7 5.1 [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
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)   2711 - 2710  
   SOL Dummy Record(s) 2709 - 2680 2709 - 2680 14:11:53 - 14:15:40
   FSP Start of Line 2679 2679 14:15:48
   MSP      
   LSP End of Line 1643 1643 16:28:19
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1642 - 1642  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2679 - 1643 2679 - 1643 14:15:48-16:28:19 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7.0m, STB Guns firing on ODD SP.    
   Recording QC Filter delay 5.6ms. Frontsheet Set 1. Bird 8-1 constantly deep, 8.1-8.4m. Gundepth calibrated at atmospheric preassure 1004mB, preassure now 1022mb. Str 8 Bird 1 mask on External Header    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2711 - 2375 2711 - 2375 1 8  
  2374 - 1945 2374 - 1945 2 9  
  1944 - 1642 1944 - 1642 1 10  
Stream 2
   Shot(s) Files Deck Reel Remark
  2711 - 2375 2711 - 2375 3 8  
  2374 - 1945 2374 - 1945 3 9  
  1944 - 1642 1944 - 1642 4 10  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1191, 2764, 2806 Weak Trace(s) Trace signal less than -3dB of nominal value
ALL     ALL 304, 2775 Noisy Trace(s)  
ALL     ALL 1948 Spiking Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2577-2584 Bird depth out of spec Bird C8-1, deep 7.5-8.5m
ALL     ALL 2209-2216 Bird depth out of spec Bird C7-1 Occasionally out of spec
ALL     ALL 1-7, 9, 12, 369-374, 377, 737-745, 748, 1105-1106, 1109, 2210 Slope alarm > 5% of total line
2671-2666     2671-2666 417-432 Bird depth out of spec Bird C2-4
2218     2218 433-465 Bird depth out of spec Bird C2-5
2216-2202     2216-2202 433-465 Bird depth out of spec Bird C2-5
2199     2199 417-432 Bird depth out of spec Bird C2-4
2195-2194     2195-2194 417-432 Bird depth out of spec Bird C2-4
2190     2190 417-432 Bird depth out of spec Bird C2-4
2189-2188     2189-2188 433-465 Bird depth out of spec Bird C2-5
2186-2180     2186-2180 433-465 Bird depth out of spec Bird C2-5
2178-2176     2178-2176 433-465 Bird depth out of spec Bird C2-5
1999-1943     1999-1943 417-432 Bird depth out of spec Bird C2-4
1995     1995 433-465 Bird depth out of spec Bird C2-5
1993-1991     1993-1991 433-465 Bird depth out of spec Bird C2-5
1988-1986     1988-1986 433-465 Bird depth out of spec Bird C2-5
1984-1982     1984-1982 433-465 Bird depth out of spec Bird C2-5
1955     1955 433-465 Bird depth out of spec Bird C2-5
1940-1939     1940-1939 417-432 Bird depth out of spec Bird C2-4
1880-1867     1880-1867 417-432 Bird depth out of spec Bird C1-4
1850     1850 417-432 Bird depth out of spec Bird C2-4
1820-1819     1820-1819 417-432 Bird depth out of spec Bird C2-4
1777-1747     1777-1747 49-72 Bird depth out of spec Bird C1-4
1728-1727     1728-1727 417-432 Bird depth out of spec Bird C2-4
1721-1720     1721-1720 417-432 Bird depth out of spec Bird C2-4
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 19:40:45utc 22-Oct-2001