OG92
Course Contents
Module 1: HPHT Well Environment and Design Basis
Key Topics
- HPHT definitions, classifications and operating challenges
- Reservoir pressure, temperature and uncertainty assessment
- Geological, geomechanical and formation stability risks
- Well objectives, design basis and construction philosophy
- Narrow margin drilling and operating window constraints
- HSE, regulatory and well integrity expectations
- HPHT risk register and design review requirements
Module 2: Well Architecture, Casing and Load Design
Key Topics
- Well trajectory, hole sections and casing point selection
- Casing, liner and tieback design for HPHT wells
- Burst, collapse, tension and thermal load considerations
- Casing wear, fatigue and connection integrity risks
- Material selection for H2S, CO2 and corrosion exposure
- Annular pressure build-up and trapped pressure management
- Barrier philosophy and casing design verification
Module 3: Drilling Fluids, Hydraulics and Cementing
Key Topics
- HPHT drilling fluid properties and stability requirements
- Mud weight, rheology and equivalent circulating density
- Lost circulation, influx risk and wellbore ballooning
- Hole cleaning, torque, drag and drilling dysfunctions
- Cement slurry design for high-temperature applications
- Primary cementing, displacement and zonal isolation
- Cement evaluation, remedial planning and lessons learned
Module 4: Well Control, MPD and Operational Execution
Key Topics
- Kick tolerance, influx detection and shut-in procedures
- Primary, secondary and tertiary well control principles
- BOP, choke manifold and pressure-control equipment ratings
- Managed pressure drilling concepts and applications
- Surge, swab, tripping and connection practices
- Real-time monitoring, fingerprinting and decision triggers
- HPHT contingency plans and emergency response readiness
Module 5: Equipment, Completion Interface and Integrity Assurance
Key Topics
- HPHT rig, downhole tools and surface equipment requirements
- Elastomers, seals, packers and temperature limitations
- Logging, testing and intervention constraints in HPHT wells
- Completion interface and well handover requirements
- Pressure testing, barrier verification and acceptance criteria
- Operational readiness, QA/QC and management of change