ACQUISITION REPORT Sequence-0071
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2752B071
  Preplot G01A2752
  Direction 18.0°
  SOL Date 05:31:26utc 24-Nov-2001
  EOL Date 06:33:41utc 24-Nov-2001
 Attributes:  
   Wind Force 10.0 [knots] Dir ENE
   Swell Height 2.0 [meters] Dir E
   Propellor rpm 122 [avg]  
   Propellor pitch 99 [avg]  
       
  SOL EOL  
   Waterdepth 54.0 50.0 [meters]
   Bottomspeed  4.7 4.7 [knots]
   Featherangle port -5.0 port -3.7 [deg]
   Cable noise 8.36 8.16 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]

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)   1951 - 1952  
   SOL Dummy Record(s) 1953 - 1962 1953 - 1962 05:30:08 - 05:31:18
   FSP Start of Line 1963 1963 05:31:26
   MSP      
   LSP End of Line 2444 2444 06:33:41
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2445 - 2446  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1963 - 2444 1963 - 2444 05:31:26-06:33:41 Reshoot 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1003mB. Str 8 Bird 1 mask on External Header, constantly deep, 8.1m. lost comms. for B6-1. Occ. Bursts of swell noise during line.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1951 - 2380 1951 - 2380 1 283  
  2381 - 2446 2381 - 2446 2 284  
Stream 2
   Shot(s) Files Deck Reel Remark
  1951 - 2380 1951 - 2380 3 283  
  2381 - 2446 2381 - 2446 4 284  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 304, 414, 1127 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1191 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 2301 Fails Crossfeed test  
ALL     ALL 369-370, 737-745, 748, 1105-1110, 1112-1113, 2210 Slope alarm > 5% of total line
2041     2041 ALL Gun timing error Gun 2-2 error (ms) : -1.6
2076     2076 NONE Bird depth out of spec Bird C7-1
2096     2096 NONE Bird depth out of spec Bird C5-2
2103-2111     2103-2111 NONE Bird depth out of spec Bird C6-3
2105-2109     2105-2109 NONE Bird depth out of spec Bird C7-3
2106-2109     2106-2109 NONE Bird depth out of spec Bird C8-2
2111-2112     2111-2112 NONE Bird depth out of spec Bird C7-3
2113-2118     2113-2118 NONE Bird depth out of spec Bird C6-3
2115     2115 NONE Bird depth out of spec Bird C7-2
2120-2125     2120-2125 NONE Bird depth out of spec Bird C6-3
2139-2140     2139-2140 NONE Bird depth out of spec Bird C6-3
2185     2185 NONE Bird depth out of spec Bird C6-3
2187-2203     2187-2203 NONE Bird depth out of spec Bird C7-3
2188     2188 NONE Bird depth out of spec Bird C6-3
2195     2195 NONE Bird depth out of spec Bird C6-3
2195     2195 NONE Bird depth out of spec Bird C7-4
2205     2205 NONE Bird depth out of spec Bird C7-3
2217     2217 NONE Bird depth out of spec Bird C6-3
2220-2226     2220-2226 NONE Bird depth out of spec Bird C8-3
2221     2221 NONE Bird depth out of spec Bird C8-2
2222-2223     2222-2223 NONE Bird depth out of spec Bird C6-3
2225     2225 NONE Bird depth out of spec Bird C6-3
2225-2227     2225-2227 NONE Bird depth out of spec Bird C7-3
2226     2226 NONE Bird depth out of spec Bird C8-4
2230-2234     2230-2234 NONE Bird depth out of spec Bird C7-3
2231     2231 NONE Bird depth out of spec Bird C6-3
2233-2234     2233-2234 NONE Bird depth out of spec Bird C6-3
2235     2235 NONE Bird depth out of spec Bird C7-2
2236-2243     2236-2243 NONE Bird depth out of spec Bird C7-3
2238-2240     2238-2240 NONE Bird depth out of spec Bird C6-3
2242     2242 NONE Bird depth out of spec Bird C6-3
2244     2244 NONE Bird depth out of spec Bird C6-3
2259     2259 ALL Gun timing error Gun 2-1 error (ms) : -1.6
2260     2260 NONE Bird depth out of spec Bird C6-3
2349-2353     2349-2353 NONE Bird depth out of spec Bird C7-3
2362     2362 NONE Bird depth out of spec Bird C7-4
2364-2365     2364-2365 NONE Bird depth out of spec Bird C7-4
2367-2368     2367-2368 NONE Bird depth out of spec Bird C7-4
2427     2427 NONE Bird depth out of spec Bird C6-3
2430     2430 NONE Bird depth out of spec Bird C6-3
2433-2444     2433-2444 NONE Bird depth out of spec Bird C6-3
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL ALL Swell Noise Occasional random bursts of swell noise.


 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 06:44:03utc 24-Nov-2001