Course Overview:
Underbalanced Drilling (UBD) is a specialized drilling technique that utilizes a lighter-than-formation fluid to maintain a state of underbalance during the drilling process
This unique approach offers several advantages, including reduced drilling fluid losses, improved wellbore stability, and enhanced formation evaluation
This comprehensive 5-day professional training course will provide a thorough understanding of UBD principles, equipment, techniques, and applications in various drilling scenarios

Course Objectives:
By the end of this course, participants will be able to:
1
Grasp the fundamental principles of UBD and its advantages over conventional drilling methods
2
Identify the key components of UBD equipment and their functions, including specialized drilling rigs, compressors, and fluid separation systems
3
Understand the different types of UBD fluids, their properties, and their selection criteria
4
Discuss the procedures for planning and executing UBD operations, including wellbore design, fluid management, and operational monitoring
5
Apply UBD techniques to enhance drilling performance, reduce formation damage, and optimize wellbore productivity
Course Agenda:
Day 1: Introduction to Underbalanced Drilling
• Delve into the significance of UBD in drilling operations and its impact on wellbore stability, formation evaluation, and drilling efficiency
• Explore the history of UBD technology and the evolution of UBD equipment and techniques
• Discuss the regulatory framework and safety standards governing UBD operations and environmental protection
• Analyze the applications of UBD in various drilling scenarios, such as horizontal wells, unconventional reservoirs, and challenging formations
Day 2: UBD Equipment and Fluid Systems
• Understand the fundamental principles of UBD equipment and its components
• Identify the major components of a UBD drilling rig, including specialized rotary systems, mud circulation systems, and compressors
• Discuss the functions and operation of different types of UBD fluids, such as air, nitrogen, and natural gas
• Explore the selection criteria for UBD fluids based on formation characteristics, drilling objectives, and environmental considerations
Day 3: Underbalanced Drilling Techniques and Applications
• Delve into the principles and procedures for planning UBD operations, including wellbore design, fluid management, and operational monitoring
• Discuss the techniques for maintaining underbalance conditions during drilling, including surface pressure control, fluid injection, and gas lifting
• Analyze the application of UBD in various drilling scenarios, such as horizontal wells, unconventional reservoirs, and challenging formations
• Explore the use of advanced UBD technologies, such as real-time monitoring, automated control systems, and data analytics
Day 4: UBD Challenges and Best Practices
• Discuss the challenges associated with UBD operations, such as wellbore stability, fluid management, and environmental impact
• Explore techniques for addressing UBD challenges, such as wellbore strengthening, fluid loss control, and environmental mitigation strategies
• Analyze best practices for UBD operations, including safety procedures, environmental management, and quality assurance
• Discuss case studies of successful UBD projects and identify key lessons learned for future planning and execution
Day 5: Advanced Underbalanced Drilling Techniques
• Delve into advanced UBD techniques, such as Managed Pressure Drilling (MPD) and Live Fluid Sampling (LFS)
• Discuss the principles and applications of MPD, including wellbore pressure control, real-time optimization, and formation integrity management
• Explore the techniques and applications of LFS, including fluid sampling, fluid analysis, and formation evaluation
• Analyze the potential of UBD in emerging drilling technologies, such as coiled tubing drilling, multilateral wells, and deepwater drilling
Who Should Attend:
• Petroleum engineers and drilling engineers involved in UBD planning, design, and execution
• Reservoir engineers and geoscientists responsible for formation evaluation, well performance optimization, and unconventional reservoir development
• UBD project managers and supervisors overseeing UBD operations, safety, and environmental compliance
• UBD contractors, service company personnel, and technicians engaged in UBD equipment operation and maintenance
• Students and individuals interested in pursuing a career in UBD, unconventional reservoir development, or advanced drilling technologies
Course Benefits:
• Develop a comprehensive understanding of UBD principles, equipment, techniques, and applications
• Gain hands-on experience in UBD planning, fluid selection, and operational monitoring concepts
• Enhance your ability to design and execute UBD projects, address operational challenges, and optimize well performance
• Stay updated on the latest advancements in UBD technologies, fluid systems, and industry best practices
• Network with other professionals from diverse backgrounds within the oil and gas industry