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WellTest Training For Gas, Oil, Water & Geothermal Pressure Transient Analysis

WellTest software from IHS Markit allows you to conduct pressure transient analysis and interpret results from well tests performed on any gas, oil, water or geothermal well.

Designed for engineers and technologists, our WellTest classes will go beyond developing your skills in conducting pressure transient analysis to maximizing your interpretation of well test findings.

Key benefits:

  • Plan and analyze pressure transient analysis, using intuitive diagnostics and powerful models
  • Learn how to analyze drawdown and buildup data from producing wells, or injection and falloff data from injection wells
  • Assess the skin and permeability of your well
  • Enhance your knowledge of well testing
  • Acquire a thorough understanding of the reservoir
  • Predict reservoir behavior

Education & Training – COVID-19 response

Due to the escalating concerns regarding COVID-19 coronavirus, we are canceling or postponing all upstream training courses globally until April 30, both in our public classrooms and in your offices, to protect the health of clients, colleagues, and the global community.

We are investigating virtual delivery options that can continue to help support your needs. We will be in touch once the options are available. We greatly value your business and we continue to seek ways to effectively work with you through this global health crisis.

Please reach out to our training enablement team - energy.training@ihsmarkit.com to discuss your training needs or contact customer support for individual software support questions.

Course Descriptions

WellTest - Getting Started Online
  • Length: 44 Minutes
  • Summary: This video is an introduction to WellTest software. Students will complete an analysis of a drawdown/buildup test
  • Prerequisites: Students should have an understanding of basic engineering principles including: well attributes, production data, pressure data, fluid and reservoir properties. Basic Windows navigation and spreadsheet skills are also recommended
  • Topics:
    • Data importing and data management
      • Navigating data management and plots
      • Importing gauge and production datasets
      • Synchronizing datasets
      • Merging datasets
      • Creating calculated difference comparison plots
    • Preparing data for analysis
      • Selecting production rates and pressures for analysis
      • Removing unnecessary data
      • Specifying shut-in points
      • Data filtering
      • Required fluid and reservoir properties
    • Worksheet operations
      • Selecting flow/shut-in periods
      • Adding analysis lines
      • Best fitting analysis lines
      • Adding synchronization and radius of investigation arrows
    • Creating models
      • History matching exercise
      • Weighting points
      • Using automatic parameter estimator
      • Saving and resetting parameters
      • Creating a forecast
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Well Test Interpretation
  • Length: 3 days, 8:30 am – 4:30 pm
  • Summary: This oil and gas training course will cover the reasons for well testing and the information that can be derived from it. The procedures and principles for analyzing vertical well tests will also be applied to horizontal wells. The course will deal with oil, gas & water (applicable to geothermal water phase) well test interpretation, drillstem tests, wireline formation tests, production tests, interference tests, detection of boundaries, estimation of stabilized flow rates from short test, etc. The practice of well test interpretation will be emphasized over the theory. Data validation and the Primary Pressure Derivative (PPD) will be used to illustrate wellbore dynamics and to extricate these effects from the apparent reservoir response. Throughout the course, the instructor will show that Well Test Interpretation (WTI) involves a lot more than simply Pressure Transient Analysis (PTA)
  • Prerequisites: A desire to learn the art of Well Test analysis
  • Topics:
    • Introduction – Why test, course philosophy, types of tests, fluid types, reservoir types, well test interpretation approaches
    • Basic concepts – Simplifying assumptions, drawdown/injection test, typecurves, skin effect, wellbore storage
    • Gas flow considerations – Turbulence, pseudo-pressure, pseudo-time
    • Flow regimes – Vertical wells: segmented approach, early time (wellbore storage), transient flow (radial), late time (transition)
    • Flow regimes – Horizontal well
    • Useful concepts – Radius of investigation, time to stabilization, superposition
    • Drawdown analysis (or injection) – Procedure, specialized analyses, horizontal wells
    • Buildup analysis – Horner plot, equivalent time, M.D.H. plot, average reservoir pressure, detection of boundaries, other buildup curves, D.S.T., horizontal wells
    • Non-reservoir effects – Data validation, wellbore dynamics, primary pressure derivative (PPD)
    • Production forecasting and analysis – Transient/stabilized IPR, AOF (sandface/wellhead), production data analysis
    • Test design, complex models, pitfalls, etc.
  • This course is available through SPE and to in-house groups on request. Please contact us for more information
WellTest Training
  • Length: 1 day, 8:30 am - 4:30 pm
  • Summary: This software course provides a comprehensive methodology for pressure transient analysis. Participants will learn how to import and prepare data for analysis, conduct bottomhole pressure calculations, perform diagnostic analyses, history match and forecast. AOF analysis will also be reviewed. Basic pressure transient analysis theory will be explained as needed
  • Prerequisites: Participants should have a basic working knowledge of pressure transient analysis concepts and basic Windows navigation skills
  • Topics:
    • Data synchronization
    • Filtering data for analysis
    • Entering fluid (PVT) and reservoir properties
    • Converting pressures from wellhead to sandface
    • Introduction to diagnostic analysis (flow regime identification)
    • Introduction to data history matching (including horizontal multi-frac stage modeling)
    • Generating a deliverability forecast
    • Generating simplified AOF/IPR plots
    • Creating a test design (hypothetical) model
    • Generating and customizing reports
  • This course is available to in-house groups on request. Please contact us for more information
Mini-Frac (DFIT) Analysis for Unconventional Reservoirs using WellTest
  • Length: 1 day, 8:30 am – 4:30 pm
  • Summary: This engineering and software training course provides a comprehensive methodology for the analysis of DFIT/Mini-frac tests. Practical considerations and guidelines for conducting mini-frac tests to obtain reservoir flow capacity (kh) and estimate pore pressure are discussed
  • Prerequisites:: Basic knowledge of pressure transient analysis theory and basic windows navigation skills
  • Topics:
    • Estimate Instantaneous Shut-In Pressure (ISIP)
    • Identify fracture closure using G-function, sqrt(t) and log-log plots
    • Label after-closure flow regimes
    • Conduct after closure analysis (using Nolte and Soliman solutions)
    • History match "after-closure" data using models to bound results when radial flow is not achieved
  • This course is available to in-house groups on request. Please contact us for more information

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