47°W

48°W

48°W

49°W

49°W

50°W

50°W52

°N

52°N

51°N

51°N

50°N

50°N

NE NEWFOUNDLAND 2015 3DMULTI-CLIENT 3D SEISMIC SURVEY0 10 20 30 405

Kilometers

N:\Public\GIS\Arc Map Documents\Canada\SpecSheetMaps\NE Newfoundland 3D 2015 (Port).mxd December 09, 2015

Canada

St. Pierre & Miquelon

NL02-EN

NE Newfoundland 2015 3D Pre-Stack Time Migration (PSTM)

Multi-Client 3D Survey, 4,587 km²

ACQUISITION PARAMETERS Acquisition date: July 2015 – October 2015

Acquisition system: GeoStreamer® recording system Source volume: 4,135 cu in (2,000 psi) x 2 Source interval: 50 m per subsurface line (25 m flip/flop)

Source Separation: 60 m Streamer separation: 120 m

Streamer length: 8,100 m x 10 Number of channels: 648 per streamer / 6,480 per shot

Group interval: 12.5 m Record length: 10,000 ms

Sample interval: 2 ms Fold of coverage: 81

Recorded bin size: 6.25 m x 30 m Primary navigation: Skyfix.XP

Recording instrument: GeoStreamer® recording system Cable depth: 20 m

Gun depth: 9 m Shooting direction: NE-SW

Acquired by: PGS Ramform Viking

TIME PROCESSING SEQUENCE

Data processing performed by PGS onboard Ramform Viking

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)

Processing performed by TGS Imaging-Houston Completed: May, 2016

Input SEG-Y Designature and Debubble Denoise Residual zero-phase filter Resample from 2ms to 4ms Velocity analysis Additional denoise as needed Shot and channel scaling Apply water column statics TAME™ 3D SRME Residual Noise Attenuation High resolution radon de-multiple

Data regularization Q-inverse (phase only) Curved ray Kirchhoff PSTM velocity analysis Geo-spreading compensation Final curved ray Kirchhoff PSTM Inverse NMO; automatic velocity analysis Radon demultiple Mute and stack (full angle range stack: 5° - 47°) Post migration conditioning Stretch to depth Output SEGY

NE Newfoundland 2015 3DPre-Stack Time Migration (PSTM) Multi-Client 3D Survey, 4,587 km²

AVAILABLE PSTM DELIVERABLES

P-UP Field data with navigation TAME™ /shot ordered data Radon de-multiple CDP gathers without NMO PSTM CDP gathers without NMO PSTM CDP gathers with NMO/Radon Raw PSTM volume Processed PSTM volume Processed PSTM volume converted to depth Processed angle stacks: near (5 – 17), near-mid (15 – 27), far-mid (25 – 37), far (35 – 47)

and ultra-far (45 – 55) Migration & stacking velocities (ASCII) 3D stacking velocity trace volume 3D PSTM velocity trace volume - RMS ETA high order NMO velocity correction - interpolated trace volume Processed source-receiver navigation (UKOOA) Post Stack navigation – bin center (UKOOA) Final processing report in PDF format

15 July 2016