ACQUISITION REPORT Sequence-0933
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170D
  Survey Type 4 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A0011KMK933
  Preplot G01A4976
  Direction 91.0°
  SOL Date 19:34:12utc 14-Jul-2002
  EOL Date 20:28:42utc 14-Jul-2002
 Attributes:  
   Wind Force 22.0 [knots] Dir W
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 135 [avg]  
   Propellor pitch 52 [avg]  
       
  SOL EOL  
   Waterdepth 68.0 102.0 [meters]
   Bottomspeed  4.9 5.0 [knots]
   Featherangle port -1.7 sb +8.3 [deg]
   Cable noise 5.5 4.5 [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 -180.0 25.0 -6.0 3542.0 3 24
2 PORT -180.0 -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 -330.0 150.0 -7.0 2600 Nessie-3 12.5 208 0001-0208
2 STBD -330.0 50.0 -7.0 2600 Nessie-3 12.5 208 0209-0416
3 PORT -330.0 -50.0 -7.0 2600 Nessie-3 12.5 208 0417-0624
4 PORT -330.0 -150.0 -7.0 2600 Nessie-3 12.5 208 0625-0832

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 0208 0001-0208 0208 0001 - 0208 5.60
3 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0208 0209-0416 0208 0209 - 0416 5.60
4 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0208 0417-0624 0208 0417 - 0624 5.60
5 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0208 0625-0832 0208 0625 - 0832 5.60

Production
  Shotpoint File Time [utc]
   SOL Noise Record(s)   3032 - 3031  
   SOL Dummy Record(s) 3030 - 3001 3030 - 3001 19:30:28 - 19:34:05
   FSP Start of Line 3000 3000 19:34:12
   MSP      
   LSP End of Line 2550 2550 20:28:42
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1630 - 1629  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3000 - 2760 3000 - 2760 19:34:12-20:03:19 Infill 8 Valid Boundary between Cobia and Mackrel. First line segment
    2759 - 2701 2759 - 2701 20:03:26-20:10:31 Infill 8 Valid Transit
    2700 - 2550 2700 - 2550 20:10:38-20:28:42 Infill 8 Valid Boundary between Cobia and Mackrel. Second line segment
 Remarks:      
   Navigation Streamer depth 7.0mtr. Four by 2.6km streamer line.    
   Recording QC Frontsheet Set 6. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1023mB. Using Four by 2.6km streamer. Swell bursts present on records. Side swipes present on records.    

Tape-list
Stream 2
   Shot(s) Files Deck Reel Remark
  3032 - 1629 3032 - 1629 2 10141  
Stream 3
   Shot(s) Files Deck Reel Remark
  3032 - 1629 3032 - 1629 3 10141  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 417-421 Bird depth out of spec Bird C3-1 ocassinal deep 8.1-8.5m
ALL     ALL 1-18, 20-25, 28, 209-214, 216-224, 228-229, 231, 233, 417-432, 434-435, 437-446, 453, 625-642, 644-654, 656 Slope alarm > 5% of total line
2920     2920 ALL Gun timing error Gun 5-4 error (ms) : -1.5
2860     2860 ALL Gun timing error Gun 5-4 error (ms) : 1.1
2760     2760 ALL Gun timing error Gun 5-4 error (ms) : 1.1
2716     2716 ALL Gun timing error Gun 5-4 error (ms) : 1.1
Comment
Shot(s)     File(s) Trace(s) Type Remark
3000     3000 ALL Swell Noise Svell bursts affecting 5% of traces, 5µB RMS


 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 06:48:39utc 15-Jul-2002