ACQUISITION REPORT Sequence-0131
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3248B131
  Preplot G01A3248
  Direction 18.0°
  SOL Date 21:08:43utc 19-Dec-2001
  EOL Date 00:31:46utc 20-Dec-2001
 Attributes:  
   Wind Force 10.0 [knots] Dir ENE
   Swell Height 1.0 [meters] Dir ENE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 61.0 51.0 [meters]
   Bottomspeed  4.4 4.7 [knots]
   Featherangle sb +8.0 sb +1.2 [deg]
   Cable noise 4.8 4.9 [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 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)   1616 - 1617  
   SOL Dummy Record(s) 1618 - 1647 1618 - 1647 21:04:36 - 21:08:34
   FSP Start of Line 1648 1648 21:08:43
   MSP 2900 2900 23:59:56
   LSP End of Line 3143 3143 00:31:46
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3144 - 3145  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1648 - 3143 1648 - 3143 21:08:43-00:31:46 Reshoot 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1007mB. Str 7 Bird 1 mask on External Header, occasionally deep.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1616 - 2045 1616 - 2045 1 559  
  2046 - 2475 2046 - 2475 2 560  
  2476 - 2905 2476 - 2905 1 561  
  2906 - 3145 2906 - 3145 2 562  
Stream 2
   Shot(s) Files Deck Reel Remark
  1616 - 2045 1616 - 2045 3 559  
  2046 - 2475 2046 - 2475 4 560  
  2476 - 2905 2476 - 2905 3 561  
  2906 - 3145 2906 - 3145 4 562  
Stream 1001
   Shot(s) Files Deck Reel Remark
  1153 - 3156 -1 - 3147 1001 0  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2307, 2731 Spiking Trace(s)  
ALL     ALL 2871 Noisy Trace(s)  
2230     2230 83-85 Spike Large spike
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1459, 1465, 2034 Crossfeed Fails crossfeed test
ALL     ALL 5-6, 9, 12, 369-371, 373, 737-738, 741, 744-745, 1105-1107, 1109-1110, 1112-1113, 1126, 1130, 1841-1843, 1845-1846, 2209-2211 Slope alarm > 5% of total line
1654     1654 NONE Bird depth out of spec Bird C7-1 occasinal deep 8.1 - 8.4m
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 01:06:15utc 20-Dec-2001