ACQUISITION REPORT Sequence-0044
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2944B044
  Preplot G01A2944
  Direction 18.0°
  SOL Date 16:46:32utc 09-Nov-2001
  EOL Date 17:54:47utc 09-Nov-2001
 Attributes:  
   Wind Force 20.0 [knots] Dir SW
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 48.0 43.0 [meters]
   Bottomspeed  4.6 4.6 [knots]
   Featherangle port -3.6 sb +0.9 [deg]
   Cable noise 6.4 0.0 [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)   3504 - 3505  
   SOL Dummy Record(s) 3506 - 3515 3506 - 3515 16:45:13 - 16:46:24
   FSP Start of Line 3516 3516 16:46:32
   MSP      
   LSP End of Line 4046 4046 17:54:47
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4047 - 4048  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3516 - 3525 3516 - 3525 16:46:32-16:47:42 Reshoot 16 Valid Overlap sp's
    3526 - 3556 3526 - 3556 16:47:50-16:51:43 Reshoot 16 Valid First portion of reshoot seq 030
    3557 - 4014 3557 - 4014 16:51:51-17:50:38 Reshoot 16 Valid Overlap sp's
    4015 - 4046 4015 - 4046 17:50:45-17:54:47 Reshoot 16 Valid Second portion reshoot seq 030
 Remarks:      
   Navigation Streamer depth at 7m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 3. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1010mB. Gun PI sub array 2 occ erratic. All gun DI's occ erratic d/t swell. Str 8 Bird 1 mask on External Header, constantly deep, 8.1m.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3504 - 3933 3504 - 3933 2 173  
  3934 - 4048 3934 - 4048 1 174  
Stream 2
   Shot(s) Files Deck Reel Remark
  3504 - 3933 3504 - 3933 4 173  
  3934 - 4048 3934 - 4048 3 174  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1191, 1948 Weak Traces Weak trace: 1191, 1948, more than -6 dB down
ALL     ALL 304, 1127, 2775 Noisy Traces  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2301 Fails Crossfeed Fails Crossfeed test: 2301
ALL     ALL 1-13, 15-17, 369-381, 737-759, 763-764, 1105-1113, 1126, 1130, 1484, 1841, 1845-1846, 1849-1850, 1852-1853, 1855-1856, 2209-2211, 2213-2214, 2216-2220, 2223, 2577, 2585-2587 Slope alarm > 5% of total line
3882-3896     3882-3896 NONE Bird depth out of spec Bird C2-3
3892-3894     3892-3894 NONE Bird depth out of spec Bird C2-4
3903-3921     3903-3921 NONE Bird depth out of spec Bird C1-4
3911-3918     3911-3918 NONE Bird depth out of spec Bird C1-5
3920-3922     3920-3922 NONE Bird depth out of spec Bird C1-5
3944     3944 NONE Bird depth out of spec Bird C2-5
3948     3948 NONE 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 17:58:38utc 10-Nov-2001