IHS Harmony ReservoirUnconventional

This course will provide a comprehensive methodology for well performance analysis, with specific focus on unconventional oil and gas. The approach combines the use of several powerful rate transient analysis tools and techniques. Students will use typecurve, flowing material balance, unconventional reservoir, analytical model and hybrid numerical model analyses during this 1 day class.

Participants will learn how to:

  • Critically assess data quality and perform qualitative diagnostics on well production data
  • Identify reservoir flow regimes from rate/pressure response
  • Estimate reserves, OGIP/OOIP and drainage area
  • Determine well performance parameters
  • Recognize pressure dependent permeability
  • Identify optimization candidates, including re-fracturing
  • Forecast production, focusing on the inherent uncertainty in unconventional plays
  • Examine the practical aspects of rate transient analysis using examples

Note: This is an introductory software course designed to familiarize students with the features and functionality within the software. While some theory will be presented, detailed theory and play-specific workflows are beyond the scope of this class.

Course Details

Length: 1 day, 8:30 am - 4:30 pm

Who Should Attend: Engineers and technologists involved in the exploitation, production and evaluation of tight and unconventional reservoirs.

Prerequisites: At least some prior experience with the Harmony environment is expected. An ideal prerequisite is the IHS Harmony Forecast course. Alternatively, attending the IHS Harmony - Getting Started course would be satisfactory.

Students should have an understanding of basic engineering principles including:

  • Well attributes and reservoir properties
  • Production data quality
  • Pressure calculations in pipelines and wellbores
  • Conventional reservoir analysis

Tuition: $1000.00 CAD/USD. All Canadian courses are subject to GST.

Cancellation Policy: To cancel without penalty, please give notice seven calendar days prior to the start of the course. Without prior notice, you will be charged full tuition.

*Class hours can be used towards APEGA professional development credits.

Topics Covered

An introduction to well performance analysis

  • Review the fundamentals of rate transient analysis
  • Learn the modern production analysis methodology
  • Compare the constant rate and constant pressure solutions for key equations

The transition from conventional to unconventional

  • Describe a horizontal well with multiple fractures
  • Define Stimulated Reservoir Volume (SRV) and cross-sectional area to flow (Ac)
  • List the expected flow regimes for a horizontal multifrac well

Data diagnostic workflow

  • Navigate the Diagnostics tab
  • Use a typecurve to evaluate data validity
  • Filter data using automatic and manual methods
  • Identify expected flow regimes using typecurves

Reservoir interpretation

  • Determine contacted area from the flowing material balance
  • Identify first linear flow with the specialized plot
  • Estimate formation conductivity (Ac√k) and the time to end of linear flow (telf)
  • Evaluate SRV parameters, including permeability and fracture half-length


  • History match data to confirm interpretation
  • Forecast future production and compare with decline forecasts
  • Evaluate uncertainty with Monte-Carlo probabilistic methods

Advanced tools and methods

  • Recognize pressure dependent permeability and apply geo-mechanical methods
  • Apply adsorption to shale reservoirs
  • Interpret gas-condensate or volatile-oil reservoirs with modified black-oil analyses
  • Evaluate wells as re-fracturing candidates, or history match wells that have already been re-fractured


For additional information or to register, please contact our Training Coordinator or visit the Global Engineering Training Calendar.



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