This course provides a broad overview of the nature of formation damage problems, how they occur during various oilfield operations, and their effects on well productivity. It reviews basic rock properties affected by formation damage, discusses the types and mechanisms of formation damage, evaluates economic implications, and integrates field and laboratory methods for recognition of the damage. Also, it Provides geological and engineering techniques for proper evaluation of the problem and procedures to minimize / alleviate it.

• Recognizing formation damage problem during any stage of well development and reservoir exploitation.
• Evaluating drilling and completion practices to establish procedures for selection of non-damaging systems.
• Developing procedures to assess and integrate laboratory and field techniques to recognize and treat formation damage.
• Quantify the annual revenue loss associated with formation damage.

• Petroleum Engineers,
• Reservoir Engineers,
• Production Engineers,
• Drilling Engineers,
• Reservoir Geologists, and
• Petrophysists.

This interactive Training will be highly interactive, with opportunities to advance your opinions and ideas and will include;

• Lectures
• Workshop & Work Presentation
• Case Studies and Practical Exercise
• Videos and General Discussions
• 70% Practical & 30% Theoritical

Introduction

Pretest

Review of basic rock properties affected by formation damage

• Course Introduction & Overview Formation Damage
• Class exercise
• Laboratory techniques

Day 2

Introduction to Formation Damage

• Basic definitions
• Potential formation damage problems during various well operation
• Drilling
• Casing and cementing
• Completion
• Well intervention
• Well stimulation
• Production
• Secondary recovery operations- water injection
• Enhanced oil recovery

Day 3

Scale and precipitate damage

• Scale deposition, removal and prevention
• Tendency of brines to deposit scales
• Prediction and identification of scales
• Paraffins
• Formation of paraffin deposits
• Paraffin removal
• Asphaltenes
• Oil sludge prevention
• Methods of acid sludge removal

Day 4

Bacteria

• Sulfate reducing bacteria
• Slime forming bacteria
• Iron bacteria
• Prevention of bacteria

Perforation

• Perforation theory & damage
• Perforation shot density
• Compacted zone
• Perforation plugging
• Role of under-balance in improved perforation flow

The economic implication of formation damage

• Class exercise
• Development of flow diagrams and process maps

Day 5

Method For Recognition Of Formation Damage

• Drill stem tests
• Resistivity log
• Production history review
• Comparison of production performance of offset wells (Class problem)
• Pressure transient well test analysis
• Nodal system analysis
• Production logging
• Laboratory core analysis method

Formation damage prevention

• Tests to perform on formation damage
• Thin Section Petrography.
• Scanning Electron Microscopy.
• X‑Ray Diffraction Analysis.
• Formation Sensitivity Studies.
• Filtration
• Removal of formation damage

Evaluation of formation damage caused by completion and workover fluids

• Technical Problem.
•  
• Evaluation of Lithology and Mineralogy.
• Evaluation of Permeability Loss.
• Conclusions and Recommendations.

Post Test

Closing

BTS attendance certificate will be issued to all attendees completing minimum of 80% of the total course duration.

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