Practical Interpretation of Open Hole Logs

Instructors: Robert E. Maute, Ph.D.
Course Length: 5 Days
CEUs: 4.0

Course Description
This school gives a practical understanding of how to interpret open hole well logs. This is an introductory level course and requires no prior knowledge of logs or log interpretation. The course will provide attendees with the understanding and basic interpretation techniques needed to interpret open hole well logs. Both quick-look qualitative interpretations and more rigorous quantitative interpretations are covered while keeping the course basic. The course is generic, no specific software is used. Equations are solved by hand with a calculator. With proper interpretation, well logs can give the location and amount of hydrocarbons. Both the theory and practice of practical, applied interpretation are covered as well as practical advice, exercises throughout, limitations, numerous comments and the study of actual logs. The accompanying manual provides a useful reference for attendees to use after the school. The emphasis of the course is to provide a well-rounded understanding of practical interpretation of openhole logs and all associated aspects.

Learning Outcomes:

  1. Determination of main lithologies and volumes of each
  2. Calculation of porosity
  3. Detection of hydrocarbons, and quantification
  4. Learn systematic log interpretation procedure & real world practicalities
  5. Uses and limitations of main specialty logging tools

Who should attend
Reservoir engineers, petroleum engineers, production engineers, geologists, geophysicists, managers, independent operators, marketing personnel and anyone who needs a practical understanding of open hole log interpretation.

Course Content

  • What is open hole well logging?
  • Basic rock properties
  • Well and wellbore environments
  • Lithology indicators and volume of shale
  • Porosity logs
  • Resistivity logs
  • Quick-look (qualitative) interpretation
  • Quantitative interpretation: Water saturation calculations
  • How to run logs
  • Real world practicalities of interpretation
  • Class interpretation of actual field logs

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