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Course Description

This course provides participants with the skills and understanding required to forecast production and estimate reserves in unconventional (ultra-low permeability) reservoirs, mostly gas but with some applications to oil. The course will emphasize gas shale and tight gas formations.  On completion of this course, participants will have developed competence in their ability to forecast production and estimate reserves for individual gas and oil wells and reservoirs using state-of-the art methodology.

 Participants completing this course will be able to:

• Recognize the strengths and limitations of volumetric methods for estimating reserves in unconventional reservoirs.
• Recognize the strengths and limitations of analog methods for forecasting production and estimating reserves in unconventional reservoirs.
• Recognize the strengths and limitations of empirical production decline models for forecasting production and estimating reserves in unconventional reservoirs.
• Recognize the strengths and limitations of analytical reservoir models for forecasting production and estimating reserves in unconventional reservoirs.
• Recognize the strengths and limitations of numerical reservoir simulators for forecasting production and estimating reserves in unconventional reservoirs.
• Recognize the strengths and limitations of statistical resource analysis to entire reservoirs.
• Apply appropriate methodology to typical situations requiring reserves estimates in unconventional reservoirs.

Course Contents

• Basic fluid flow theory
  • Transient flow
  • Radial and linear flow
  • Constant rate and constant BHP production
  • Radius of investigation
  • Boundary-dominated flow
• Basic drilling and completion techniques in unconventional reservoirs
  • The volumetric method of estimating reserves in unconventional reservoirs
  • The analog method of forecasting production and estimating reserves in unconventional reservoirs
• Empirical production decline methods of forecasting production and estimating reserves in unconventional reservoirs
  • Arps decline model
  • Minimum terminal decline methodology
  •  A priori determination of Arps decline parameter “b”
  • Advanced decline curve analysis and its limitations
  • Stretched exponential model
  • Blasingame modified power-law model
  • Long-duration linear flow model
• Use of analytical reservoir models in forecasting production and estimating reserves in unconventional reservoirs
• Use of numerical reservoir simulators in forecasting production and estimating reserves in unconventional reservoirs
• Use of statistical resource analysis in estimating reserves in unconventional reservoirs
• Applications of appropriate methodology to example situations

Who Should Attend

The course is designed for engineers with interests in unconventional reservoir evaluation.

CEUs 

1.6 CEUs (Continuing Education Units) are awarded for this 2-day course.

Cancellation Policy

A fee equal to 25% of the course fee will be charged for cancellations less than 15 working days before the course begins.  No refunds will be made for cancellations after the course begins.