Advanced Well Test Interpretation Training Course

Advanced Well Test Interpretation Training Course

Introduction

Advanced Well Test Interpretation Training Course is designed to strengthen technical expertise in well testing, pressure transient analysis, reservoir characterization, production optimization, and petroleum reservoir engineering. Well test interpretation is a critical discipline for understanding reservoir behavior, evaluating well productivity, diagnosing formation damage, and optimizing hydrocarbon recovery. This advanced course equips participants with the analytical skills required to interpret complex pressure and rate data, identify reservoir flow regimes, estimate reservoir properties, and evaluate well performance under different operating conditions. Through practical applications of pressure transient analysis, buildup and drawdown testing, derivative analysis, rate transient analysis, and modern well test interpretation software, participants will learn to convert field measurements into reliable engineering insights that support effective reservoir management and production decision-making.

The training emphasizes advanced reservoir diagnostics, permeability estimation, skin factor analysis, boundary detection, fractured reservoir evaluation, pressure interference testing, and integrated production surveillance. Participants will explore the impact of reservoir heterogeneity, multiphase flow, wellbore storage, non-Darcy flow, and complex completion configurations on well test responses. Realistic case studies, technical workshops, field-data interpretation exercises, and scenario-based simulations will demonstrate how well test results can improve reservoir performance forecasting, well stimulation planning, production enhancement, and field development strategies. By combining established petroleum engineering principles with digital reservoir analytics and data-driven interpretation techniques, the course prepares professionals to make defensible technical recommendations, reduce uncertainty in reservoir evaluation, and maximize the value of well testing throughout the oil and gas asset lifecycle.

Course Duration

10 days

Course Objectives

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

1. Apply advanced pressure transient analysis techniques to evaluate reservoir and well performance.
2. Interpret drawdown, buildup, injection, and falloff test data using industry-standard workflows.
3. Identify reservoir flow regimes through pressure derivative plots and diagnostic signatures.
4. Estimate reservoir permeability, average reservoir pressure, and skin factor from well test data.
5. Diagnose wellbore storage, formation damage, stimulation effects, and completion-related restrictions.
6. Evaluate reservoir boundaries, sealing faults, and geological discontinuities using pressure transient responses.
7. Interpret well tests in naturally fractured, multilayered, and heterogeneous reservoirs.
8. Apply advanced well test interpretation software to improve analytical accuracy and efficiency.
9. Assess the influence of variable production rates, rate history, and data quality on interpretation results.
10. Perform rate transient analysis (RTA) to complement conventional pressure transient evaluation.
11. Evaluate pressure interference, pulse testing, and communication between wells.
12. Integrate well test findings with petrophysical, geological, production, and reservoir simulation data.
13. Develop actionable recommendations for production optimization, well stimulation, reservoir management, and field development planning.

Target Audience

1. Reservoir engineers and senior reservoir engineering specialists.
2. Petroleum engineers and production engineering professionals.
3. Well testing engineers and pressure transient analysis specialists.
4. Reservoir simulation engineers and dynamic modelling specialists.
5. Petroleum geologists and subsurface characterization professionals.
6. Well intervention, completion, and stimulation engineers.
7. Production technologists and asset performance optimization teams.
8. Oil and gas technical managers, consultants, and field development planners.

4. Course Modules

Module 1: Advanced Fundamentals of Well Test Interpretation

• Principles of pressure transient behavior and reservoir response.
• Relationship between pressure, flow rate, permeability, and reservoir storage.
• Review of Darcy's law and radial flow theory.
• Overview of well test design, execution, and interpretation workflows.
• Case study: Evaluating the productivity of a newly completed oil well using initial pressure test data.

Module 2: Well Test Design, Data Acquisition, and Quality Control

• Selection of suitable drawdown, buildup, injection, and falloff tests.
• Pressure gauge accuracy, calibration, resolution, and sampling frequency.
• Production rate measurement and rate-history validation.
• Identification of noise, missing data, gauge drift, and operational disturbances.
• Case study: Investigating inconsistent pressure measurements from an offshore buildup test.

Module 3: Pressure Transient Analysis and Diagnostic Plots

• Construction and interpretation of semilog pressure plots.
• Log-log pressure and pressure derivative analysis.
• Identification of early-time, middle-time, and late-time responses.
• Recognition of radial, linear, spherical, and transitional flow regimes.
• Case study: Diagnosing flow regimes and estimating permeability from a complex pressure buildup test.

Module 4: Drawdown and Pressure Buildup Testing

• Principles and practical applications of drawdown testing.
• Pressure buildup analysis following production shut-in.
• Superposition principles and variable-rate corrections.
• Estimation of reservoir pressure and productivity parameters.
• Case study: Comparing drawdown and buildup interpretations to establish representative reservoir pressure.

Module 5: Wellbore Storage and Near-Wellbore Effects

• Physical causes of wellbore storage and afterflow.
• Recognition of wellbore storage signatures on derivative plots.
• Effects of completion geometry and fluid compressibility.
• Differentiating wellbore storage from formation response.
• Case study: Reinterpreting an early-time pressure response affected by excessive wellbore storage.

Module 6: Permeability, Skin Factor, and Productivity Evaluation

• Estimation of effective permeability from pressure transient data.
• Calculation and interpretation of mechanical and nonmechanical skin.
• Evaluation of drilling damage, completion restrictions, and stimulation effects.
• Integration of skin factor with productivity index and inflow performance.
• Case study: Quantifying formation damage and assessing the expected benefit of a stimulation treatment.

Module 7: Reservoir Boundaries and Heterogeneity

• Identification of sealing and constant-pressure boundaries.
• Detection of faults, compartmentalization, and reservoir limits.
• Interpretation of boundary-dominated flow and late-time pressure behavior.
• Assessment of heterogeneous permeability distributions.
• Case study: Using pressure derivatives to identify a sealing fault affecting a producing reservoir.

Module 8: Naturally Fractured and Complex Reservoirs

• Dual-porosity and dual-permeability reservoir models.
• Pressure responses associated with fracture networks and matrix-fracture transfer.
• Identification of fracture-dominated flow regimes.
• Interpretation challenges in tight, fractured, and unconventional reservoirs.
• Case study: Evaluating fracture-matrix interaction in a naturally fractured carbonate field.

Module 9: Multilayer and Commingled Well Test Interpretation

• Pressure responses in multilayer reservoirs.
• Crossflow and interlayer communication mechanisms.
• Estimation of layer contributions and effective reservoir properties.
• Challenges associated with commingled production and variable layer productivity.
• Case study: Investigating unexpected pressure behavior in a commingled well completed across three reservoir layers.

Module 10: Injection, Falloff, and Pressure Interference Testing

• Interpretation of injection and falloff pressure data.
• Estimation of injectivity, formation properties, and near-wellbore restrictions.
• Pressure interference and pulse testing principles.
• Evaluation of reservoir connectivity and interwell communication.
• Case study: Assessing injector-producer connectivity in a waterflood development project.

Module 11: Advanced Gas Well Testing and Non-Darcy Flow

• Gas pseudopressure and pseudotime concepts.
• Gas deliverability and pressure-dependent properties.
• Turbulence and non-Darcy flow effects on skin and productivity.
• Interpretation of gas well buildup and deliverability test results.
• Case study: Evaluating pressure losses and non-Darcy effects in a high-rate gas production well.

Module 12: Multiphase Flow and Complex Well Test Responses

• Influence of oil, gas, and water mobility on pressure behavior.
• Effects of changing fluid properties and phase redistribution.
• Interpretation challenges in gas-condensate and multiphase reservoirs.
• Integration of pressure data with production and fluid-property measurements.
• Case study: Investigating declining productivity in a gas-condensate well experiencing liquid dropout.

Module 13: Rate Transient Analysis and Integrated Diagnostics

• Fundamentals of rate transient analysis and production data diagnostics.
• Decline curve analysis and flowing material balance.
• Integration of pressure transient and production history data.
• Application of modern analytical workflows to unconventional reservoirs.
• Case study: Combining production decline trends and pressure data to evaluate drainage performance in a tight reservoir.

Module 14: Digital Tools, Reservoir Modelling, and Uncertainty Analysis

• Application of specialist well test interpretation software.
• Model selection, parameter estimation, and nonlinear regression.
• Sensitivity analysis and uncertainty quantification.
• Integration of well test models with reservoir simulation and digital workflows.
• Case study: Comparing alternative reservoir models to determine which best explains an ambiguous pressure derivative response.

Module 15: Integrated Well Test Evaluation and Production Optimization

• Development of an end-to-end well test interpretation workflow.
• Integration of pressure data with geological and production information.
• Translation of interpreted parameters into operational recommendations.
• Technical reporting, peer review, and communication of uncertainty.
• Case study: Preparing an integrated well test report recommending remedial action for a mature oil field with declining well productivity.

Training Methodology

• Interactive lectures and presentations.
• Group discussions and brainstorming sessions.
• Hands-on exercises using real-world datasets.
• Role-playing and scenario-based simulations.
• Analysis of case studies to bridge theory and practice.
• Peer-to-peer learning and networking.
• Expert-led Q&A sessions.
• Continuous feedback and personalized guidance.

Register as a group from 3 participants for a Discount

Send us an email: info@datastatresearch.org or call +254724527104 

Certification

Upon successful completion of this training, participants will be issued with a globally- recognized certificate.

Tailor-Made Course

 We also offer tailor-made courses based on your needs.

Key Notes

a. The participant must be conversant with English.

b. Upon completion of training the participant will be issued with an Authorized Training Certificate

c. Course duration is flexible and the contents can be modified to fit any number of days.

d. The course fee includes facilitation training materials, 2 coffee breaks, buffet lunch and A Certificate upon successful completion of Training.

e. One-year post-training support Consultation and Coaching provided after the course.

f. Payment should be done at least a week before commence of the training, to DATASTAT CONSULTANCY LTD account, as indicated in the invoice so as to enable us prepare better for you.