See energy defined. Loyal 3DMULTI-CLIENT OKLAHOMA SEISMIC – BLAINE, KINGFISHER AND CANADIAN COUNTIES, OKLAHOMA

See the energy at TGS.com© 2014 TGS-NOPEC Geophysical Company ASA. All rights reserved.

*Pricing available upon request

LOYAL 3D

BLAINE

KINGFISHER

CANADIAN

LOGAN

MAJOR

OKLAHOMA

GARFIELD

CADDO

DEWEY

CUSTER

NOBLE

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Sources: Esri, HERE, DeLorme, TomTom, Intermap, increment P Corp., GEBCO, USGS, FAO, NPS, NRCAN, GeoBase, IGN, Kadaster NL, Ordnance Survey, Esri Japan, METI, Esri China (Hong Kong), swisstopo, MapmyIndia, ©OpenStreetMap contributors, and the GIS User Community

Projection: NAD 1927 StatePlane Oklahoma North FIPS 3501

Surface Area 589 mi2

Receiver Interval 220 ft

Source Interval 311 ft diagonal

Receiver Line Spacing 1320 ft

Source Line Spacing 880 ft

Rx Line Orientation E-W

Bin Size 110 x 110 ft

Geophones 1, 3C

Source Type Mixed source:

3 Vibrators with 2 sweeps x 12 seconds

2.2# dynamite at 40 ft

Template 18L x 168 stations per line, roll one line

Nominal Fold 189

Maximum Offset 21,817 ft

Record Length 5.0 seconds

Sample Rate 2 ms

Loyal 3DTGS-NOPEC has used its best efforts to produce this map free of errors, utilization of same shall be at the sole

risk of the user. TGS-NOPEC assumes no liability or responsibility for reliance placed thereon.

ACQUISITION PARAMETERS*

See the energy at TGS.com© 2014 TGS-NOPEC Geophysical Company ASA. All rights reserved.

Loyal 3D

Pre-Processing � Geometry QC � Trace edit � Noise attenuation in shot domain � Surface consistent amplitude compensation � Refraction statics � Spherical divergence correction � Noise attenuation in CDP domain � Velocity analysis � Surface consistent decon

� Residual de-noise (if required) � Second pass of surface consistent amplitude compensation

(if required) � Reflection statics � Velocity analysis � Second pass of residual statics (if needed) � Second pass velocity analysis (if needed) � Output pre-processed data with refraction and reflection

statics stored at trace headers

Time Imaging � Pre-stack time migration velocity analysis (2 passes) � Output migration velocities � Kirchhoff pre-stack curved ray migration � Output raw migrated gathers without NMO � Continuous high-resolution velocity and ETA analysis

and application � Output high resolution velocity field � Radon multiple attenuation

� Residual de-noise (if required) � Output processed migrated gathers with NMO � Mute and stack � Output raw migration stack � Filtering and scaling � Noise reduction and footprint removal � Output processed migration stack

Deliverables � Pre-processed data � Raw Time Migration Gathers with NMO removed � Processed Time Migration Gathers with NMO � Pre-Stack Raw Time Migration Stack

� Pre-Stack Processed Time Migration Stack � Migration Velocities � High Resolution RMS Velocity Field

Depth Imaging (Optional) � Build initial vertical velocity model by calibrating PSTM

velocities with checkshots � Remove long wavelength statics from data and move data to

acquisition datum � Kirchhoff depth migration � Estimate anisotropic parameters (delta and epsilon) � Three iterations of PSDM and tomography � Final iteration of PSDM and tomography (if required) � Final VTI Kirchhoff PSDM

� Output depth gathers with NMO � Residual moveout � Output depth gathers with NMO � Stack � Output raw migration stack � Noise removal (f-k power or fxy decon) � Amplitude balance and TVF � Footprint removal � Output processed migration stack

Deliverables � Depth Raw Migration Gathers with NMO � Depth Processed Migration Gathers with NMO � Pre-Stack Raw Depth Migration Stack

� Pre-Stack Processed Depth Migration Stack � Final Interval Velocity Model � Final Delta & Epsilon models

Optional Products � LAS well logs

PROCESSING PARAMETERS

See the energy at TGS.com© 2014 TGS-NOPEC Geophysical Company ASA. All rights reserved.

US Tel: +1 713 860 2100Email: info@tgs.com

For more information, contact TGS at:

LOYAL 3D

BLAINE

KINGFISHER

CANADIAN

LOGAN

OKLAHOMA

MAJOR

CADDO

GARFIELD

DEWEY

CUSTER

NOBLE

WASHITA

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Projection: NAD 1927 StatePlane Oklahoma North FIPS 3501

See the energy at TGS.com© 2014 TGS-NOPEC Geophysical Company ASA. All rights reserved.

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