Geoscienceteam

Practical Well Test Interpretation Training Course – 3 days

This training course provides an excellent practical introduction to well test interpretation. It will provide delegates with:

  • An understanding of the theory and practice of pressure transient analysis using analytical methods
  • An understanding of the geological and fluid parameters which affect the results of pressure transient analysis
  • Skills to interpret pressure transient analysis data for permeability and the various components of skin
  • Skills to evaluate reservoir geometry and connected volume using boundaries and mobility/storativity models
  • Experience in analysing real sets of test data

Who should attend?

Engineers and Geoscientists who wish to obtain a basic understanding of well test interpretation and the skills required to use PIE. The individuals attending the course should be able to develop their skills to a level where they will be able to do the analysis themselves and contribute knowledgeably to a department or asset that has some involvement in this area. It would be useful to have had some previous exposure to well testing, well operations, or theory of reservoir engineering; but this is not vital.

Detailed Course content
The specific content of the course can be tailored to meet the needs of the attendees.  This is an outline of the typical course:

  • Overview of the development of well testing practice and theory
  • The basics – obtaining good data, radius of investigation, the inverse problem, Type Curve models, Superposition
  • Introduction to PIE – data loading exercise from a spreadsheet and ASCII file
  • Gauge comparison
  • The principles and importance of Superpositions and the rate history
  • Analysis/diagnostic plots and the manipulation of them: Horner, Superposition and Log Log Derivative plots – straight line analysis with examples
  • Well bore storage and skin – with examples
  • Flow regimes: radial flow, spherical flow, linear flow and bi-linear flow, pseudo steady state – what this means and why
  • Type Curve models
  • Examples to reinforce all of the above
  • Examples to demonstrate all of the first day’s theory in practice
  • Boundaries and how this affects the pressure responses, plus how to analyse test data with boundaries
  • Reservoir pressure and reservoir surveillance with examples
  • Gas well testing with examples
  • Horizontal wells with examples
  • Factors complicating well testing
  • Test design
  • Interpretation guidelines
  • Recognising derivative shapes

 

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