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