Course Overview

Day-by-Day Outline

Day 1 – Introduction to Drilling Hazards & Geological Risks

• - Overview of drilling hazards and NPT impact
• - Identifying geological hazards: abnormal pressures, unstable formations, faults
• - Seismic interpretation for hazard prediction
• - Shallow gas and water flows
• - Exercise: Analyze seismic and offset well data for potential geological hazards

Day 2 – Wellbore Stability & Mechanical Hazards

• - Mechanisms of wellbore instability: sloughing shales, washouts, fractures
• - Rock mechanics and stress analysis in well planning
• - Stuck pipe risks due to instability and differential sticking
• - BHA and drillstring failures
• - Workshop: Perform borehole stability analysis using case data

Day 3 – Fluid-Related Hazards & Lost Circulation

• - Mud properties and ECD management to prevent kicks and losses
• - Causes and types of lost circulation
• - Lost circulation materials (LCM) and remedial actions
• - Gas influx behavior and gas migration
• - Exercise: Prepare a lost circulation contingency plan for an exploration well

Day 4 – H2S, Toxic Gases & Well Control Hazards

• - H2S zones: detection, monitoring, and emergency response
• - Personal protective equipment (PPE) and H2S safety drills
• - Kick indicators and shut-in procedures
• - Well control fundamentals and risk management
• - Workshop: Develop a well control hazard plan for HPHT environments

Day 5 – Human Factors, Lessons Learned & Risk Mitigation

• - Human factors and decision-making under pressure
• - Communication breakdowns and crew resource management (CRM)
• - Review of major drilling hazard incidents and lessons learned
• - Developing comprehensive risk registers and mitigation plans
• - Capstone Project: Build a drilling hazard assessment and mitigation plan for a deepwater well

Expected Learning Outcomes

•  Identify and assess geological and operational drilling hazards
•  Analyze wellbore stability and plan for risk reduction
•  Manage fluid-related hazards including lost circulation and gas influx
•  Develop H2S and well control hazard response plans
•  Integrate human factors awareness into hazard prevention strategies