HPHT Well Design & Drilling

Date: 4-11 March 2024 | Location: Dubai

Course Duration: 5 Days

• HPHT definition
• Kick frequency in HPHT wells
• HPHT profiles: temperature and pressure
• Special problems
• Drilling window/ECD
• Kick/Losses window
• Rig selection for HPHT wells
• FIT consideration
• Casing seat selection
• Rock properties
• API casing strengths, Steel for HPHT wells
• Exercises
• Kicks in HPHT wells
• Gas solubility in oil-based muds
• Comparing kick observed at surface with downhole kicks
• Kick Profiles using Driller’s method
• Single and Distributed kicks
• Correcting kill line graphs
• Kicks in horizontal wells tolerance
  • calculations
  • Assessment exercise
• Well Control Equipment Selection:
  • BOPs
  • Elastomers
  • MGS sizing
  • Choke manifold
  • Sour gas consideration
  • Hydrates formation

• Mud types and selection
• Effects of gel strength
• Breathing and ballooning
• Swab and surge pressure profiles
• ECD against depth
• Actual examples
• Barite sag
• HPHT Drilling techniques
  • breathing and ballooning
  • Swab and surge pressure profiles
  • ECD against depth
  • Barite sag
  • Tripping procedures
  • Drilling transition zone
  • Drilling HPHT zone
• Cementing consideration
• Well testing considerations
• Well completions

Review