The Underbalanced Drilling (UBD) and Completions course provides the student with an overview of the specialized technology and operations used in this critical oilfield discipline. The reasons why UBD techniques are employed are presented in a straightforward manner along with a discussion of advantages and concerns. The student will become familiar with the mechanical equipment used in UBD operations as well as the different types of UBD and their specific field application.

Course Objectives

• Basic Concept and History
• Mechanical Equipment used in UBD
• Advantages of UBD Operations
• Concerns of UBD Operations
• Gasified Liquid Drilling
• Foam Drilling
• Underbalanced Completions