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About this Training Course

In our pursuit to discover oil & gas in deeper horizons, wells are often drilled in a HPHT environment. To be considered a HPHT well, the downhole conditions will have pressures in excess of 10,000 psi (69 MPa) and 300° F (150° C). To drill these usually expensive wells successfully, the planning and execution phase has to be of an exceptionally high standard. Therefore, both operator and drilling/service contractor staff must be seamlessly aligned and work as a coherent team to reach and then harness the well objectives. This is particularly important when speciality services such as Managed Pressure Drilling (MPD) are being applied with crews and/or supervisors who are not intricately familiar with complicated well control incidents. As we seek to prevent costly non-productive time, attention will also be paid to enabling technologies like expandable solid tubulars, mud coolers and specialty mud.

The 3 full-day course will explain the key characteristics and challenges of HPHT Planning and Well Control. This includes:

1. Differences between HPHT and standard (conventional) wells and what this entails for well design.
2. The challenges unique to HPHT and the impact of Pore Pressure Prediction (PPP).
3. Static and Dynamic Equivalent Mud Density and the factors that influence the ultimate Bottom Hole Pressure (BHP).
4. Control practices such as ‘fingerprinting’ to identify what’s happening downhole.
5. HPHT shut-in procedures and practices.
6. Specific HPHT equipment and drilling tool requirements and advantages of Managed Pressure Drilling (MPD).
7. Well control on/off bottom, bull-heading and dealing with kick-loss situations.
8. Mud management, tolerance on mud properties and challenges in cementing.
9. Case history on emergency control.
10. Drills, team effort, checklists, human factor and ‘getting everybody on board’.