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Algorithms and workflows for all acquisition configurations and geologies

WesternGeco uses computer-intensive velocity model building algorithms integrated with an interactive graphics environment for rapid and accurate quality control of interim and final results.

With our earth model building services, you achieve correctly placed, high-resolution images that improve geophysical processing and interpretation.

Earth model building services
Petrel Earth Model Building Plug-In
Integrate Omega platform data and extend workflows for a unified, reliable earth model.
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Earth Model Building Offerings

Full-Waveform Inversion
High-resolution velocity models
Derive high-resolution velocity and anisotropy models from seismic data using a two-way wave equation.
Common Image Point (CIP) Tomography
High-resolution, multiscale, anisotropic hybrid tomography
Produce accurate, high-resolution, anisotropic Earth models in any geologic environment.
Diving-Wave Tomography
Robust near-surface velocity modeling
Generate a near-surface velocity model for reflection tomography iterations in a depth migration workflow or for statics calculations.
Azimuthal Anisotropic Analysis
Multicomponent solutions for defining fractured reservoirs
Detect, quantify, and compensate for azimuthal anisotropy to help determine fracture density and orientation.
Interactive Velocity Analysis and QC
Rapid velocity analysis and advanced geostatistical velocity QC
Get a full-featured interactive velocity analysis package for time-domain projects of any size.
Effective Stress Compensation
Technique for improving subsalt event continuity
Translate subsalt density changes and effective stress to a residual velocity field.
VIVA
Visually interactive time-domain anisotropic seismic velocity analysis
Directly generate interval velocity and anisotropy parameters for improved image accuracy.
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Video Webinar: The Role of Surface Seismic

Water avoidance, landing, and sweet-spotting solutions for the Permian Basin.

Video Webinar: 3D Seismic Illumination Challenges

Learn how least-squares migration implemented in the image domain and depth domain inversion efficiently mitigate illumination effects, as demonstrated with synthetic and field data examples.

Video Webinar: Velocity Model Building with FWI

Denes Vigh explains detailed velocity model building with full-waveform inversion.

Industry Article Defining Series: Mechanical Earth Model

Repository of data representing the mechanical properties of rocks and fractures.
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Tech Paper High-Resolution Model Building and Imaging Workflow Using Multimeasurement Towed Streamer Data

North Sea case study.

Industry Article The Defining Series: Beginner's Guide to Seismic Surveying

Today, geophysicists bounce seismic waves off strata below the Earth's surface and record seismic reflections to create high-resolution images of the subsurface.

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