Advanced HPHT Well Engineering Training

Steve Nas

This course is delivered as a scenario-based course to provide knowledge of High-Pressure and High Temperature (HPHT) well design, drilling, and completion operations to drilling and completion engineers. The course is specifically designed to provide an understanding of the challenges associated with the design and construction of HPHT wells. The course starts with an HPHT pressure profile and geology. Participants work through the various well design aspects. Working on a real case allows the participants to learn not only the theory, technicalities, and practicalities of drilling and completing HPHT wells but it also ensures that participants gain real experience in understanding the HPHT issues. If this course is provided to participants from a single client the course scenario can be provided by the client. This allows participants a real insight into the HPHT challenges from their own well.

DAY 1 - Introduction

The course starts with an introduction to the HPHT environment and how it is defined. The course introduces the geological aspects of an HPHT environment and the course then presents a detailed look at the behaviors of the various components of a well with elevated pressures and temperatures.
  • Welcome and Introductions
  • Defining the HPHT Environment
  • History of HPHT Drilling Operations
  • Geological & Geophysical Aspects of Abnormal Pressures
  • Challenges in HPHT Wells
  • The behavior of Gasses with elevated pressures and temperatures
  • The behavior of Liquids with elevated pressures and temperatures
  • The behavior of Metals with elevated pressures and temperatures
  • The behavior of Elastomers with elevated pressures and temperatures
  • Exercises: Gas calculations, Density Calculations

DAY 2 - Well Design

The second day of the course starts with a look at well design standards and well design for HPHT wells.
  • Applicable well design, drilling standards, procedures, and guidelines
  • Well Design Basis of Design
  • Pore and Fracture Pressures and pressure ramps
  • Well trajectories
  • Casing Design and their connections
  • Well-control aspects associated with casing design
  • Wellheads and wellhead growth
  • Primary Cementing / Remedial Cementing
  • Drilling Fluids (Oil Based / Water Based / Formate Brines)
  • HPHT Drill string Design
  • HPHT Data Collection (LWD / MWD Tools / Drilling Data)
  • Contingency Planning
  • Exercises: Tubular expansion, Drill string design, Fluid challenges

DAY 3 - Rig Equipment

The third day of the course starts with rig requirements for HPHT operations. This part of the course presents the surface equipment requirements for HPHT drilling.
  • Rig and equipment requirements for HPHT Operations
  • BOP specifications and test requirements
  • HPHT Choke Manifolds
  • Mud Gas Separator Sizing
  • Temperature safety aspects
  • Mud Coolers
  • Mud Testing Requirements
  • Hydraulics and ECD
  • Barite mixing requirements
  • Solids Control and Barite Sag
  • Pit Discipline
  • Finger Printing the well
  • Fluid compressibility & density
  • Exercises: Temperatures, Barite Requirements, Barite Sag, Gas Solubility

DAY 4 - Well Operations

On the fourth day of the course, the operational aspects of drilling an HPHT well are presented to the candidates.
  • Well control for HPHT and differences with conventional wells
  • Well Control Operations and challenges, Barriers
  • Ballooning, wellbore breathing, and supercharging
  • Temperature Monitoring
  • Drilling and Tripping Operations
  • Data Collection and MWD/LWD
  • Casing and Cementing Operations
  • Well Integrity
    • Well integrity standards.
    • Integrity specifications for HPHT
    • Barriers and Barrier Elements
    • Leaks
    • Corrosion
    • Annular Pressure
    • Integrity Failures
    • Failure analysis and FMECA
    • Managed Pressure Drilling
    • Exercises: Well Control, Dual Gradient Calculations

DAY 5 - Testing and Completions

The last day of the course covers well testing and completion operations on HPHT wells.

  • HPHT Well Evaluation Logging and coring operations
    • Mud Logging
    • Wireline logging
    • MWD – LWD Tools
    • HPHT coring operations
  • Well Testing Practices
  • Material selection and metallurgy for tubing and wellheads
  • Wellhead Seals
  • Well testing well control aspects
  • HPHT completions
  • Tubing Movement
  • Corrosion
  • Flow Control Equipment
  • Sand Production
  • Reservoir Depletion
  • Well Workovers
  • Exercises: Material Selection, Reservoir Depletion, Workovers

What is the Advanced HPHT Well Engineering training course objective?

The objectives of this course are to provide the participants with an understanding of the complexities associated with HPHT well design and associated drilling operations. All the topics in this course relate to high pressures and high temperatures. It is assumed that participants understand conventional well design and drilling operations. At the end of the course, the participants will understand and be competent in:

  • Narrow Drilling Margins and effects on Kick Tolerance
  • Predictions of Pore pressures and the challenges
  • The impact of both high pressures and temperatures and significant changes in temperatures on the observed behavior of the well
  • Understand the impact of temperatures and pressures on primary and secondary well barriers
  • Well-design requirements for HPHT
  • Understand Operational Planning and Operational Challenges associated with HPHT
  • Rig equipment requirements 
  • Understand Well Delivery, fingerprinting, well bore breathing, and high-reliability drilling practices  
  • Well Control – practical well control for on-bottom, off-the-bottom, and out-of-whole well control, kicks, and losses


Who should join the Advanced HPHT Well Engineering training course by PetroSync?

This course is intended for drilling engineers, completion engineers, and service providers that are about to be exposed to HPHT drilling operations and are trying to understand the complexities better.

Steve Nas

Well Engineering Consultant and Instructor

Experienced well engineer and well engineering instructor with an MSc in Drilling Engineering and over 40 years of drilling and well engineering experience. Skilled in many facets of advanced  well engineering such as Deepwater Managed Pressure Drilling, High Pressure – High Temperature, Geothermal, Well Integrity, Well Control and Well Abandonment operations. Experience working for operators, drilling contractors and service providers delivering a wide range of engineering solutions for complex wells. 

Developed and presented numerous training courses related to well design, managed pressure drilling, high pressure high temperature operations, casing design, advanced well control, well control emergency response planning and well abandonment.

Skilled in thermal and multiphase hydraulic modelling for geothermal and underbalanced drilling and blowout kill calculations. Experienced in engineering solutions for well abandonment, relief well planning and coiled tubing drilling.

Coauthored several SPE books and numerous SPE papers and Member of SPE, ICOTA, IADC, IWCF, Energy Institute.



  • Code PST0434-202401
  • Start Date 19 Aug, 2024
  • End Date 23 Aug, 2024
  • Locations Kuala Lumpur, Malaysia
  • Cost USD 3550
  • Register
  • Code PST0434-202402
  • Start Date 02 Dec, 2024
  • End Date 06 Dec, 2024
  • Locations Bandung, Indonesia
  • Cost USD 3550
  • Register
  • Code PST0434-202301
  • Start Date 11 Sep, 2023
  • End Date 15 Sep, 2023
  • Locations Kuala Lumpur, Malaysia
  • Cost USD 3495
Code Start Date End Date Locations Cost Instructor Register
PST0434-202401 19 Aug, 2024 23 Aug, 2024 Kuala Lumpur, Malaysia USD 3550 Steve Nas Register
PST0434-202402 02 Dec, 2024 06 Dec, 2024 Bandung, Indonesia USD 3550 Steve Nas Register
PST0434-202301 11 Sep, 2023 15 Sep, 2023 Kuala Lumpur, Malaysia USD 3495 Steve Nas
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