Formation Damage & Well Stimulation

Background:

Formation damage is often unavoidable and remains one of the major contributors to lost well productivity and injectivity throughout the life of an oil and gas well. From drilling and completion to production and workover operations, improper fluid selection, mechanical disturbances, and chemical incompatibilities can significantly impair near-wellbore and reservoir performance. Therefor Formation Damage & Well Stimulation often come as one package after drilling.

Beyond understanding formation damage mechanisms, engineers are increasingly required to design and implement effective well stimulation strategies to restore or enhance well productivity. Acidizing, hydraulic fracturing, and other stimulation techniques must be properly selected, designed, and evaluated based on reservoir characteristics, damage mechanisms, and operational constraints.

This course provides an integrated understanding of formation damage diagnosis and well stimulation solutions, enabling participants to identify damage, prevent its occurrence, and apply the most appropriate stimulation techniques to maximize well performance in sandstone, carbonate, and unconventional reservoirs.

Training Objectives:

• Understand formation damage mechanisms in sandstones, carbonates, and shales

• Identify damage sources throughout the well lifecycle, from drilling to production and workover

• Diagnose formation damage using production data, pressure analysis, and logging tools

• Evaluate damage severity and stimulation candidacy

• Select appropriate well stimulation techniques (non-acid, acidizing, hydraulic fracturing)

• Understand the principles, limitations, and risks of acidizing and fracturing treatments

• Integrate formation damage diagnosis with effective stimulation design to improve well productivity and injectivity

Who Should Attend:

• Production Engineers

• Completion & Well Intervention Engineers

• Reservoir Engineers

• Drilling Engineers

• Petroleum & Geological Engineers

• Field Supervisors & Production Foremen

• Engineering Technicians

• Production, Reservoir, and Asset Managers

Applicable for professionals involved in:

1. Vertical, horizontal, and multilateral wells

2. Conventional and unconventional reservoirs

3. Oil, gas, and injection wells

Training Outline:

1. Reservoir Fundamentals & Formation Damage Overview

• Geological and depositional environment review

• Reservoir rock and fluid properties

• Near-wellbore versus deep formation damage

• Impact of formation damage on productivity and injectivity

2. Rock Properties Influencing Formation Damage

• Porosity, permeability, wettability

• Pore throat size distribution

• Stress sensitivity and compaction effects

• Clay mineralogy and its impact on damage

3. Formation Damage Mechanisms

• Damage in sandstones, carbonates, and shales

• Fluid and polymer-related damage

• Damage during:

  • Drilling operations

  • Running casing and cementing

  • Perforating

  • Well completion activities

  • Production (fines migration, scale, paraffin, asphaltenes)

  • Workover and well intervention

• Damage to injection wells

4. Formation Damage Evaluation & Diagnosis

• Laboratory testing and core analysis

• Damage potential assessment

• Production performance analysis

• Pressure transient analysis

• Production and injection logging

• Identifying candidates for damage removal or stimulation

5. Formation Damage Prevention Strategies

• Proper fluid selection and compatibility testing

• Drilling and completion best practices

• Minimizing invasion and solids plugging

• Operational controls to reduce damage risk

6. Well Stimulation Fundamentals

• Objectives of well stimulation

• Stimulation vs. damage removal

• Candidate selection for stimulation treatments

• Productivity enhancement concepts

7. Non-Acid Stimulation Techniques

• Solvent treatments

• Surfactant applications

• Chemical treatments for fines, scale, and organic deposits

• Limitations and field considerations

8. Acidizing Treatments

• Matrix acidizing principles

• Sandstone acidizing

• Carbonate acidizing

• Acid systems and additives

• Treatment design considerations

• Risks, limitations, and post-treatment evaluation

9. Hydraulic Fracturing as a Stimulation Method

• Fracturing concepts and objectives

• Fracture geometry and conductivity

• Fracturing as a damage bypass technique

• Overview of fracture design parameters

• Small-scale fracturing for damage remediation

• Operational and reservoir constraints

10. Post-Stimulation Evaluation & Performance Assessment

• Production response analysis

• Pressure behavior after stimulation

• Success criteria and common failure causes

• Lessons learned and best practices

Key Value of This Training

• Links formation damage understanding directly with well stimulation decision-making

• Provides a practical framework for selecting the right remediation or stimulation method

• Enhances engineers’ ability to maximize well productivity and asset value

• Suitable for both mature fields and challenging new developments

About the Course Leader:

Prof. Dr.-Ing. Bonar Tua Halomoan Marbun

Public Training berikutnya : 9 – 11 September, 2026 | 10 – 12 November, 2026