OG90
Course Contents
Module 1 - Introduction to Drilling Operations
Key Topics
- Overview of the upstream oil & gas industry
- Purpose and stages of drilling
- Rig types and rig components
- Drilling sequence: spudding to reaching target depth
Module 2 - Drilling Fluids and Wellbore Stability
Key Topics
- Functions of drilling fluids
- Types of drilling fluids (water-based, oil-based, synthetic)
- Hydraulics, pressure control, and mud properties
- Causes of wellbore instability and mitigation methods
Module 3 - Casing and Cementing Operations
Key Topics
- Purpose and types of casing strings
- Cementing objectives and slurry design
- Primary and remedial cementing techniques
- Well integrity and zonal isolation
Module 4 - Well Completion Fundamentals
Key Topics
- Introduction to well completion
- Types of completions (open hole, cased hole, multilaterals)
- Completion equipment: packers, tubing, perforating methods
- Sand control techniques (gravel packs, screens, frac-packs)
Module 5 - Well Stimulation and Artificial Lift
Key Topics
- Chemical acidising basics and hydraulic fracturing mechanics
- Formation stimulation techniques to enhance reservoir productivity
- Artificial lift methods: rod pumps, electrical submersible pumps (ESPs), gas lift, and PCPs
- Engineering selection criteria, performance envelopes, and lift optimization
Module 6 - Workover and Well Intervention Operations
Key Topics
- Overview of workover objectives, economics, and justifications
- Remedial interventions, re-completion techniques, and mechanical sidetracks
- Workover rigs, high-pressure snubbing units, and coiled tubing equipment
- Downhole fishing operations, recovery tools, and structural diagnostics
- Operational safety considerations, well control barriers, and risk management in workovers