Definition of Uncertainty in Pore Pressure Prediction

Course Outline:

1.5 Day Course: The course is aimed at both understanding and reducing uncertainty during well planning and design. Through discussion, you will learn how to consider both data-driven uncertainty as well as process-driven approaches. The aim is to see if Expected and High Cases can be appropriately risked such that percentage likelihood can be assigned to each.

“Thanks for excellent delivery of a new, insightful and relevant training course on the Uncertainty in Pore Pressure Prediction.  Short, sharp, meaningful & much needed across the industry.”  Jurgen Streit, Australian Operator.

It is recommended for any person involved in well design and for those that also act as peer-review from other departments and managers that need to understand the risks involved.

The Uncertainty in Pore Pressure Prediction course is run in the style of a workshop and is comprised of presentations, discussion and simple exercises.

Over 1.5 days, you will cover the following topics:

  1. Where uncertainty can arise in well planning and how to mitigate it
  2. Current industry approaches for predicting pore pressure – the good, bad & ugly
  3. Uncertainty and limitations in pore pressure algorithms themselves
  4. Determining pore pressure ramps more accurately
  5. The significance of human influence
  6. Quantifying meaningful uncertainty and how it impacts final well design and costs
Show Course Outline
Session 1
  • What is a well plan? - An introduction
  • Exercise 1 - What are the areas of uncertainty
Session 2
  • Current industry approaches to predict pore pressure (a brief review)
  • Exercise 2 - Draw pressure profiles and comment on where uncertainty lies
Session 3
Uncertainty in pore pressure algorithms
  • Exercise 3 - Quantify uncertainty in shale interpretation with Eaton ratio method
Session 4
  • Uncertainty in sand/shale equilibria and pore pressure ramps
  • Exercise 4 Uncertainty in reservoir connectivity
Session 5
  • Industry approaches and how significant can uncertainty be?
  • Exercise 5. Human influence on NCT
Session 6
  • Capturing uncertainty in predicted pore pressure for well design
  • Exercise 6. How would you narrow the prognoses for pressure in this scenario?
Session 7
  • Putting it all together
Session 8
  • Overall Summary and Q&A
Appendix 1
  • New(er) techniques - a further way to reduce uncertainty
Appendix 2
  • Uncertainty in vertical stress
Upcoming Schedule
When Where Price  
Instructors for this Course

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