ACQUISITION REPORT Sequence-0011
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2480A011
  Preplot G01A2480
  Direction 198.0°
  SOL Date 17:29:58utc 23-Oct-2001
  EOL Date 21:51:09utc 23-Oct-2001
 Attributes:  
   Wind Force 20.0 [knots] Dir ENE
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 137 [avg]  
   Propellor pitch 95 [avg]  
       
  SOL EOL  
   Waterdepth 41.0 52.0 [meters]
   Bottomspeed  4.8 4.3 [knots]
   Featherangle sb +5.0 port -5.3 [deg]
   Cable noise 4.5 5.9 [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 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)   3630 - 3629  
   SOL Dummy Record(s) 3628 - 3619 3628 - 3619 17:28:43 - 17:29:51
   FSP Start of Line 3618 3618 17:29:58
   MSP      
   LSP End of Line 1600 1600 21:51:09
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1599 - 1599  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3618 - 1600 3618 - 1600 17:29:58-21:51:09 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7m    
   Recording QC NO SSE (CMS) or NFH RECORDED FOR THIS SEQ. Filter delay 5.6ms. Frontsheet Set 1. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1004mB. Str 8 Bird 1 mask on External Header, constantly deep, 8.1m. Occasional shallow depth alarms (5.4m min) on individual guns d/t swell.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3630 - 3201 3630 - 3201 1 46  
  3200 - 2771 3200 - 2771 2 47  
  2770 - 2341 2770 - 2341 2 48  
  2340 - 1911 2340 - 1911 1 49  
  1910 - 1600 1910 - 1600 2 50  
Stream 2
   Shot(s) Files Deck Reel Remark
  3630 - 3201 3630 - 3201 4 46  
  3200 - 2771 3200 - 2771 3 47  
  2770 - 2341 2770 - 2341 4 48  
  2340 - 1911 2340 - 1911 3 49  
  1910 - 1600 1910 - 1600 4 50  
Stream 1001
   Shot(s) Files Deck Reel Remark
  4563 - 1585 3625 - 1603 1001 1  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1191, 1948, 2764, 2806 Killed trace  
ALL     ALL 304, 1127, 2775 Noisy traces  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 4-5, 9, 369-371, 737-745, 748-749, 1105-1113, 1473, 2209-2210 Slope alarm > 5% of total line
3279     3279 1109-1109 Bird depth out of spec Bird C4-2
3096     3096 2209-2213 Bird depth out of spec Bird C7-1
2580     2580 1459-1472 Bird depth out of spec Bird C4-17
2567-2565     2567-2565 2209-2213 Bird depth out of spec Bird C7-1
2561-2559     2561-2559 2209-2213 Bird depth out of spec Bird C7-1
2549     2549 2209-2213 Bird depth out of spec Bird C7-1
2020     2020 2209-2213 Bird depth out of spec Bird C7-1
1943     1943 2209-2213 Bird depth out of spec Bird C7-1
1859     1859 369-373 Bird depth out of spec Bird C2-1
1827     1827 1867-1883 Bird depth out of spec Bird C6-3
1825-1814     1825-1814 1867-1883 Bird depth out of spec Bird C6-3
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 21:21:17utc 23-Oct-2001