Underbalanced & Managed Pressure Drilling: Applications, Design & OperationsDRIL/UBDE

Who should attend?

  • This course provides a comprehensive and practical knowledge of non-conventional techniques used in advanced drilling and completion processes to enhance drilling performance and oil recovery.
Audience :
  • Drilling and mud engineers, superintendents and supervisors, and all professionals involved in well planning and operation.

Level : Proficiency

Course Content

  • BASIC PRINCIPLES OF MANAGED PRESSURE DRILLING

      • History, objectives and definitions.
      • Occurrence and implications of narrow pore and fracture pressures windows on well design and well control.
      • Dynamic factors affecting bottom hole pressure.
      • Mathematics and examples.
  • MUD CAP DRILLING

      • History of mud cap drilling.
      • Pressurized and floating mud cap.
      • Mud cap operation.
  • MANAGED PRESSURE DRILLING EQUIPMENT

      • Rotating control devices.
      • Chokes.
      • Drill pipe non return valves and downhole annular valves.
      • ECD reduction tools.
      • Coriolis flowmeter, friction pump.
  • MANAGED PRESSURE DRILLING USING PRESSURE AS PRIMARY CONTROL

      • Introduction, open and closed back pressure systems.
      • Automated back pressure system technology.
      • Continuous circulating system technology.
  • MANAGED PRESSURE DRILLING USING FLOW AS PRIMARY CONTROL

      • Process description.
      • Equipment and technology.
      • Applications.
  • UNDERBALANCED DRILLING

      • Underbalanced drilling objectives and applications.
      • Underbalanced drilling equipment and operations.
  • CONCLUSION

      • Advantages of managed and underbalanced drilling.
      • Potential and limitations.
      • Typical applications.

Learning Objectives

  • Upon completion of the course, participants will be able to:
  • deal with issues of narrow pore/fracture pressure gradient windows, lost circulation, abnormal pressures, kick/loss situations,
  • drill wells in depleted reservoirs,
  • acquire basic concepts of managed and underbalanced pressure drilling,
  • review various managed pressure drilling methods and equipment,
  • identify typical situations calling for managed pressure drilling and assess potential benefit,
  • review typical applications, equipment and operation of underbalanced drilling.

Ways & Means

  • Several case studies and examples are discussed.