Depth Conversion and Velocity Modelling Course

Name: Advanced Depth Conversion and Velocity Modelling Training Course
Availability: InStock

Build calibrated velocity models, convert seismic interpretations to depth, and defend structural uncertainty with traceable quality controls.

Depth Conversion and Velocity Modelling Course

At a glance

Duration: 1 Week
Format: Classroom
Cities: Bali, Langkawi, Singapore, Muscat, Istanbul, Barcelona and more
Next session: 8 – 12 November 2026, Bali
Average fee: 7,500 €

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Advanced Depth Conversion and Velocity Modelling Training Course

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Overview

Advanced Depth Conversion and Velocity Modelling Training Course is a one-week advanced course for seismic interpreters, exploration geophysicists, depth-imaging reviewers, subsurface team leads, and geoscientists who must turn time-domain interpretations into defensible depth products. Participants connect velocity data qualification, well-to-seismic calibration, Dix interval velocity, layered velocity model building, gridded velocity model construction, anisotropic depth imaging review, time-to-depth conversion, structural depth uncertainty, and technical assurance. The course is software-neutral and converts evidence into a Velocity Model and Depth Conversion Assurance File. Agile Leaders Training Center presents advanced depth conversion and velocity modelling.

Who Should Attend

Seismic interpretation functions responsible for horizons, faults, structural closures, and depth maps
Exploration and development geophysicists responsible for velocity evidence and depth prognosis
Depth-imaging reviewers responsible for tomography, migration gathers, and model-update acceptance
Well-seismic integration functions responsible for checkshots, vertical seismic profiles, sonic logs, and synthetic ties
Subsurface team leads responsible for structural uncertainty, assurance gates, and technical handover
Geoscience quality functions responsible for traceability, residual analysis, and model governance

The course assumes working knowledge of seismic interpretation and basic travel-time concepts. It leaves out introductory seismic acquisition, detailed signal processing, vendor-specific button sequences, software programming, and full mathematical derivations of migration algorithms.

Departments and Industries

The course supports functions that use seismic travel time, well evidence, and velocity models to make depth-based subsurface decisions.

Oil and gas exploration and appraisal
Field development and well planning
Seismic interpretation and depth imaging
Subsurface assurance and technical governance
Carbon storage site characterization
Geothermal and regional geoscience studies

Learning Objectives

By the end of this course, participants will be able to:

Distinguish stacking, RMS, average, interval, migration, and anisotropic velocities
Qualify checkshot, vertical seismic profile, sonic-log, well-top, and processing velocity evidence
Build layered and gridded velocity models with geological constraints
Convert interpreted horizons and faults from time to depth with traceable assumptions
Diagnose calibration residuals, misties, structural artifacts, and model limitations
Test scenarios and communicate depth uncertainty for assurance decisions

Course Agenda

Day 1: Qualify Velocity Evidence

Velocity Type, Domain, Datum, and Unit Classification Matrix
Checkshot, Vertical Seismic Profile, and Sonic-Log Evidence Register
Well-Tie, Polarity, Phase, and Horizon Correspondence Checklist
RMS-to-Interval Velocity Conversion using Dix Relationships
Velocity Data Provenance and Fitness-for-Purpose Scorecard

Day 2: Build Geological Velocity Models

Layer Framework, Fault Boundary, and Formation Constraint Panel
Constant, Gradient, Compaction, and Trend Function Comparison
Layered Velocity Model Building and Well Calibration Workflow
Gridded Velocity Model Construction and Spatial Interpolation Controls
Velocity Outlier, Lateral Variation, and Scenario Register

Day 3: Review Depth Imaging Updates

Time Migration versus Depth Migration Decision Matrix
Kirchhoff, Reverse-Time Migration, and Imaging Assumption Map
Tomographic Residual-Moveout Interpretation and Update Review
Full-Waveform Inversion Interface and Low-Wavenumber Model Check
VTI and TTI Anisotropy Parameter Evidence and Sensitivity Sheet

Day 4: Convert and Assure Structural Interpretation

Vertical-Ray, Image-Ray, and Volume-Based Time-to-Depth Conversion
Horizon, Fault, Point, and Grid Domain-Conversion Control Sheet
Well-Top Residual Map and Calibration Closure Test
Depth-Surface Structure, Thickness, and Closure Integrity Review
Structural Depth Uncertainty Scenario and Envelope Map

Day 5: Defend the Depth Solution

Suggested Exercise: Reconcile Velocity Sources and Select Model Inputs
Suggested Exercise: Build Layered and Gridded Velocity Scenarios
Suggested Exercise: Diagnose Residuals and Depth-Imaging Artifacts
Suggested Exercise: Convert Horizons and Test Closure Sensitivity
Capstone Exercise: Complete the Velocity Model and Depth Conversion Assurance File

Practical Exercises

The course uses suggested activities to connect interpreter decisions, velocity evidence, model behavior, and depth risk.

Suggested activity: inventory velocity sources, reconcile domains and datums, and record evidence limitations.
Suggested activity: calculate interval velocities, calibrate a layered model to wells, and inspect residual patterns.
Suggested activity: compare velocity scenarios and diagnose their effects on faults, closures, thickness, and well prognosis.
Suggested activity: assemble a review file with acceptance criteria, uncertainty envelopes, decision logs, and handover actions.

FAQs

Who suits advanced depth conversion and velocity modelling training?

Advanced depth conversion and velocity modelling training suits experienced seismic interpreters, exploration geophysicists, imaging reviewers, well-seismic integration specialists, and subsurface assurance leads. Participants should already understand seismic sections, horizons, faults, and basic travel-time concepts.

How does time-to-depth conversion differ from depth migration?

Time-to-depth conversion transforms interpreted time-domain objects through a velocity model. Depth migration repositions seismic energy during imaging with a depth-domain velocity model. Both depend on velocity quality, but they use different workflows and must be reviewed with different controls.

Which velocity data are used in a depth conversion model?

A depth conversion model can use checkshots, vertical seismic profiles, calibrated sonic logs, well tops, stacking or migration velocities, geological trends, and interpreted layer boundaries. Their value depends on domain, datum, sampling, uncertainty, and fitness for the intended conversion.

How is a velocity model calibrated and quality controlled?

Calibration compares predicted and observed travel times or depths at wells, maps residuals, investigates systematic and local misties, tests alternative functions and spatial trends, and confirms that structural results remain geologically plausible.

How is structural depth uncertainty communicated?

Structural depth uncertainty is communicated through traceable model scenarios, parameter sensitivities, well residuals, depth envelopes, closure and thickness changes, assumption registers, and clear conditions for accepting or revisiting the model.

Conclusion

Participants take back a Velocity Model and Depth Conversion Assurance File that links data provenance, velocity classification, well calibration, model construction, imaging review, converted structural products, residuals, uncertainty scenarios, and acceptance decisions. It supports clearer technical challenge, more defensible depth maps, and better communication between interpreters, imagers, geologists, and well planners.

credits: 5 credit per day

Course Mode: full-time

Provider: Agile Leaders Training Center

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Showing 1-20 of 58 events

Location	Dates	Duration	Mode	Price
Bali	Week 45, 2026 8 – 12 November 2026	1 Week	Onsite	€6,500
Langkawi	Week 46, 2026 15 – 19 November 2026	1 Week	Onsite	€8,000
Singapore	Week 47, 2026 16 – 20 November 2026	1 Week	Onsite	€6,500
Muscat	Week 47, 2026 22 – 26 November 2026	1 Week	Onsite	€6,500
Istanbul	Week 49, 2026 30 November – 4 December 2026	1 Week	Onsite	€6,000
Barcelona	Week 50, 2026 7 – 11 December 2026	1 Week	Onsite	€6,500
Trabzon	Week 50, 2026 13 – 17 December 2026	1 Week	Onsite	€8,000
Jakarta	Week 52, 2026 21 – 25 December 2026	1 Week	Onsite	€8,000
Madrid	Week 53, 2026 28 December 2026 – 1 January 2027	1 Week	Onsite	€6,500
Dubai	Week 01, 2027 4 – 8 January 2027	1 Week	Onsite	€6,500
Tokyo	Week 01, 2027 4 – 8 January 2027	1 Week	Onsite	€12,000
Doha	Week 01, 2027 10 – 14 January 2027	1 Week	Onsite	€7,000
Nice	Week 02, 2027 11 – 15 January 2027	1 Week	Onsite	€8,000
Johannesburg	Week 02, 2027 17 – 21 January 2027	1 Week	Onsite	€6,000
Casablanca	Week 03, 2027 18 – 22 January 2027	1 Week	Onsite	€6,000
Paris	Week 05, 2027 1 – 5 February 2027	1 Week	Onsite	€6,500
San Diego	Week 05, 2027 1 – 5 February 2027	1 Week	Onsite	€16,000
London	Week 06, 2027 8 – 12 February 2027	1 Week	Onsite	€6,500
Manama	Week 06, 2027 14 – 18 February 2027	1 Week	Onsite	€6,500
Bangkok	Week 06, 2027 14 – 18 February 2027	1 Week	Onsite	€8,000

Frequently asked questions

What does this course cover?

OverviewAdvanced Depth Conversion and Velocity Modelling Training Course is a one-week advanced course for seismic interpreters, exploration geophysicists, depth-imaging reviewers, subsurface team leads, and geoscientists who must turn time-domain interpretations into defensible depth products. Participants connect velocity data qualification, well-to-sei…

Are training dates available?

Yes. Available dates and destinations are listed in the course dates section on this page.

How can I register?

Choose an available date on this page and complete the registration form, or send a programme enquiry.

Can I download the course brochure?

Yes. Use the brochure download link provided on this page.

Depth Conversion and Velocity Modelling Course