Computational Geomechanics in Reservoir Engineering Using FLAC and UDEC

Computational Geomechanics in Reservoir Engineering Using FLAC and UDEC

Itasca Consulting Group is pleased to collaborate with MOHR Academy as they present this course.

The main objective of this course is to demonstrate the implementation of numerical modeling and geomechanics simulation in reservoir engineering. The course focuses on the practical applications of numerical modeling for simulation and analysis of geomechanics problems such as wellbore stability, geothermal analysis, flow analysis, and hydraulic fracturing. Several topics including model geometry development and meshing, constitutive models, stress distribution, and permeability considerations will be discussed. The simulation procedure of isotropic and transversely isotropic medium and faults and discontinuities will be presented. Commercial programs for geomechanics modeling will be introduced, and finite difference, finite element, and distinct element methods for numerical modeling will be described. Different software tools including FLAC, FLAC3D, and UDEC will be considered for conducting simulations.


Session 1: November 4, 2020

Session 2: November 6, 2020

Session 3: November 11, 2020

Session 4: November 13, 2020

Session 5: November 18, 2020

Session 6: November 20, 2020

Session Time: 5:00 pm – 7:30 pm CST (Central Time, Chicago)

Course Format

  • Synchronous (live online)
  • The online presentation platform will be notified to the students two weeks prior to the start date.


  • 3 Weeks, Wednesdays and Fridays
  • November 4-20, 2020
  • 15 Hours

Tools Used

  • FLAC: 2D Finite Difference Analysis
  • FLAC3D: 3D Finite Difference Analysis
  • UDEC: 2D Distinct Element Analysis
  • Note: Itasca Consulting Group, Inc. provides temporary licenses of FLAC and FLAC3D for participants. For UDEC, participants can use demo version of the program.

Course Outline

  • Introduction to numerical modeling in geomechanics
  • Introduction to finite element, finite difference, and distinct element modeling using FLAC, FLAC3D, UDEC, and 3DEC
  • Constitutive models used for conventional and unconventional reservoirs
  • Practical application of two-dimensional stress/strain wellbore stability analysis using FLAC
  • Practical application of three-dimensional stress/strain wellbore stability analysis using FLAC3D
  • Three-dimensional modeling and analysis of inclined wellbores using FLAC3D
  • Wellbore stability analysis under drilling mud pressure using FLAC
  • Flow analysis and permeability considerations
  • Practical application of hydraulic fracturing and fluid injection into porous medium using UDEC
  • Discontinuity and faults modeling in underground reservoirs
  • Geothermal analysis of underground reservoirs using FLAC

Course Developer and Instructor

Siavash Zamiran, Ph.D., P.E.

Geotechnical Engineer

Dr. Zamiran is a geotechnical and geomechanics engineer with over ten years of industry and academic experience in different geotechnical and geomechanics engineering disciplines. Currently, Dr. Zamiran is a Senior Project Engineer at Marino Engineering Associates, Inc. and an Adjunct Professor at Missouri University of Science and Technology. He has held multiple short courses and workshops in the area of computational geotechnics and geomechanics including courses in different institutions such as California Institute of Technology, University of North Dakota, Southern Illinois University, and Missouri University of Science and Technology. His areas of expertise include computational geotechnics and geomechanics, wellbore stability, reservoir geomechanics, geotechnical earthquake engineering, and buried pipeline geohazard investigations. Dr. Zamiran is currently a member of ASCE Geo-Institute Computational Geotechnics Committee. He is the winner of national ASCE Edmund Friedman Award in 2019 and ASCE St. Louis Young Engineer Award in 2018.

Course Organization

Mohr Academy
911 Washington Ave #501
St. Louis, MO 63101 USA

Phone: +1 (314) 390-5151

Course Details

4 nov. 2020 - 20 nov. 2020

Language: English

Course Documents: Software: Servicios de consultoría:

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