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WES Trainings

Underbalanced Operation & Well Control

Course Outline

Day - 1
  • Economic aspects of underbalanced operations
  • Project management of UBD operations
  • Reservoir aspects of underbalanced drilling
  • Damage mechanisms, well productivity, PI Curves
Day - 2
  • What is underbalanced drilling?
  • Why drill underbalanced?
  • Limitations and advantages of UBD
  • BOP’s and rotating control diverters
  • Underbalanced drilling equipment
Day - 3
  • What is managed pressure drilling?
  • Why use managed pressure drilling?
  • Variations of managed pressure drilling
  • Well control in MPD
  • MPD choke manifolds
  • Rotating control devices
Day - 4
  • Well control, controlling the inflow
  • Tripping underbalanced and balanced
  • Corrosion & Erosion, Equipment Selection, Drilling systems
  • Equipment Selection, Rotating BOP systems
Day - 5
  • HAZOP requirements for UBD,
  • Environmental considerations,
  • Live well aspects of UBD Operations,
  • Process design, Automation, HSE issues, case studies, project questions;
  • Flare systems and heat /noise calculations, Procedures and documentation, Limitations of UBD,
  • Technical Economic Safety
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