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NE Newfoundland Flemish Pass 
MULTI-CLIENT 2D SURVEY; 38,780 km 
ACQUISITION PARAMETERS 
PSTM Processing 
Acquisition Date: Sept. 2012 – Nov. 2012, June 2013 – Nov. 2013 
June 2014 - 
Vessel: Sanco Spirit 
Shooting Orientation: Strike and dip to the coastline 
Recording Instrument: Geostreamer 24 bit (GAS) 
Airgun Source: 4808 cubic inches 
Gun Depth: 9 meters 
Shotpoint Interval: 25 meters 
Group Interval: 12.5 meters 
Recording Channels: 648 
Streamer Depth: 20 meters 
Streamer Length: 8100 meters 
Record Length: 10 seconds 
Sample Interval: 2 milliseconds 
Nominal Fold: 162 
TIME PROCESSING SEQUENCE 
Data processing performed by PGS; Houston, TX USA 
 SEG-D field data input 
 Merge navigation information into trace headers 
 Trace Editing 
 Swell Noise Attenuation and Despike 
 Linear Noise Attenuation 
 Wavefield Separation & Extrapolation (Summation) 
 SEGY output P-UP dataset (streamer redatumed to 9 m) 
TGS-Imaging; Calgary, Alberta Canada 
 Input SEG-Y 
 Designature Debubble and Zero phase 
 Resample from 2ms to 4ms 
 Shot Domain Noise Attenuation 
 Tau-P Mute and Decon (as needed) 
 2D SRME 
 Velocity analysis 
 Residual Noise Attenuation 
 Velocity analysis- 
 Curved ray Kirchhoff pre stack time migration 
 Residual Multiple Noise Attenuation 
 Kirchhoff Curved ray pre stack time migration 
 Radon 
 Inverse NMO; automatic velocity analysis 
 Amplitude recovery 
 Mute and stack 
 Post migration conditioning: F-X deconvolution, 
band-pass filter, scaling, stretched to depth 
 Output SEGY 
AVAILABLE PRODUCTS 
 Field data with navigation in the trace headers / shot ordered (648 traces/shot) 
 Pre-migration final de-multiple CDP gathers (162 fold) 
 Pre-stack time migrated CDP gathers without NMO (12.5m, 81 fold) 
 Pre-stack time migrated CDP gathers with NMO (12.5m, 81 fold) 
 Raw migration 
 Processed migration 
 Processed migration stretched to depth 
 Angle Stacks 
 Migration velocities (ASCII) 
 Migration velocity trace volume – RMS 
 Stacking velocities (SEGY & ASCII) 
 Processed source-receiver navigation (UKOOA) 
 Post stack navigation (UKOOA) 
 Ship-borne gravity data 
August 14, 2014
Canada 
40°W 
45°W 
45°W 
50°W 
50°W 
55°N 
55°N 
50°N 
50°N 
45°N 
45°N 
NE NEWFOUNDLAND FLEMISH PASS 
MULTI-CLIENT 2D SEISMIC SURVEY 
0 25 50 100 150 200 
Kilometers 
N:PublicGISArc Map DocumentsCanadaSpecSheetMapsNE Newfoundland_Flemish Pass 2014 (port).mxd August 14, 2014 
Canada 
Greenland 
St. Pierre & Miquelon 
2014 Acquisition: 16,020.91 km 
2012-2013 Acquisition: 22,489.525 km

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TGS Arcis- East Coast- NE Newfoundland Flemish Pass

  • 1. NE Newfoundland Flemish Pass MULTI-CLIENT 2D SURVEY; 38,780 km ACQUISITION PARAMETERS PSTM Processing Acquisition Date: Sept. 2012 – Nov. 2012, June 2013 – Nov. 2013 June 2014 - Vessel: Sanco Spirit Shooting Orientation: Strike and dip to the coastline Recording Instrument: Geostreamer 24 bit (GAS) Airgun Source: 4808 cubic inches Gun Depth: 9 meters Shotpoint Interval: 25 meters Group Interval: 12.5 meters Recording Channels: 648 Streamer Depth: 20 meters Streamer Length: 8100 meters Record Length: 10 seconds Sample Interval: 2 milliseconds Nominal Fold: 162 TIME PROCESSING SEQUENCE Data processing performed by PGS; Houston, TX USA  SEG-D field data input  Merge navigation information into trace headers  Trace Editing  Swell Noise Attenuation and Despike  Linear Noise Attenuation  Wavefield Separation & Extrapolation (Summation)  SEGY output P-UP dataset (streamer redatumed to 9 m) TGS-Imaging; Calgary, Alberta Canada  Input SEG-Y  Designature Debubble and Zero phase  Resample from 2ms to 4ms  Shot Domain Noise Attenuation  Tau-P Mute and Decon (as needed)  2D SRME  Velocity analysis  Residual Noise Attenuation  Velocity analysis-  Curved ray Kirchhoff pre stack time migration  Residual Multiple Noise Attenuation  Kirchhoff Curved ray pre stack time migration  Radon  Inverse NMO; automatic velocity analysis  Amplitude recovery  Mute and stack  Post migration conditioning: F-X deconvolution, band-pass filter, scaling, stretched to depth  Output SEGY AVAILABLE PRODUCTS  Field data with navigation in the trace headers / shot ordered (648 traces/shot)  Pre-migration final de-multiple CDP gathers (162 fold)  Pre-stack time migrated CDP gathers without NMO (12.5m, 81 fold)  Pre-stack time migrated CDP gathers with NMO (12.5m, 81 fold)  Raw migration  Processed migration  Processed migration stretched to depth  Angle Stacks  Migration velocities (ASCII)  Migration velocity trace volume – RMS  Stacking velocities (SEGY & ASCII)  Processed source-receiver navigation (UKOOA)  Post stack navigation (UKOOA)  Ship-borne gravity data August 14, 2014
  • 2. Canada 40°W 45°W 45°W 50°W 50°W 55°N 55°N 50°N 50°N 45°N 45°N NE NEWFOUNDLAND FLEMISH PASS MULTI-CLIENT 2D SEISMIC SURVEY 0 25 50 100 150 200 Kilometers N:PublicGISArc Map DocumentsCanadaSpecSheetMapsNE Newfoundland_Flemish Pass 2014 (port).mxd August 14, 2014 Canada Greenland St. Pierre & Miquelon 2014 Acquisition: 16,020.91 km 2012-2013 Acquisition: 22,489.525 km