Andrew Madyarov

Lead Geomechanics Engineer at TEVERRA (Formerly Petrolern)
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Contact Information
us****@****om
(386) 825-5501
Location
Houston, Texas, United States, US
Languages
  • English Native or bilingual proficiency
  • Russian Native or bilingual proficiency

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Taixu Bai

It is rare that you come across a standout talent like Andrew. I was particularly impressed by his research presentation during his job interview right after he got his Ph.D. from the University of Minnesota. I remember that he was not only extremely proficient in his area of expertise (seismic inversion) but also he knew how to extrapolate his results as well as the limitations. In fact, I recommended him to our management at Shell to hire him as a Geomechanics Specialist. For the past 10 years, Andrew had been working with Shell as a Geomechanics Specialist. He demonstrated strong analytical and problem solving skills. He provided Geomechanics support to multiple assets in Unconventionals. In the meantime, he was heavily involved in R&D projects that focused on well completion optimization in Unconventionals and technology deployment. One of the field trials with significant contribution from him showed a 20%+ increase in well performance. Above all, he was a great team player with good people skills that enabled him bringing out the best from those around him. Andrew will be a true asset for any position that requires Geomechanics or analytical and numerical skills, and he has my highest recommendation.

John Dudley

This is a recommendation for Andrew Madyarov from John Dudley, Shell Global Subject Matter Expert for Experimental Rock Mechanics & Geomechanical Core Testing. I have known Andrew ~10 years and worked with him on several joint projects. He is an excellent mathematician and geomechanicist who is exceptionally easy to work with, very competent, insightful and productive. His modeling skills (with any tool) are hard to match, and he has significant experience with geomechanical data acquisition and asset support in the last few years. I highly recommend Andrew to any perspective employer, inside or outside the petroleum industry.

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Experience

    • United States
    • Services for Renewable Energy
    • 1 - 100 Employee
    • Lead Geomechanics Engineer
      • Nov 2021 - Present

      Consulting and developing new technologies in petroleum and geothermal Geomechanics. • I analyzed risks of casing restrictions in Unconventional oil wells and mitigation strategies for a client via Finite Element simulation (Abaqus) and parametric sensitivity. • Ran a wellbore stability analysis for a geothermal well using Finite Element simulation (Abaqus). • Improving technology for deriving geomechanical profiles from drilling vibration data using physics-informed machine learning. • Developing a revolutionary downhole tool for stress measurements. Show less

    • United States
    • Oil and Gas
    • 100 - 200 Employee
    • Senior Geomechanical Engineer
      • Oct 2019 - Sep 2021

      Delivered valuable insights for field completion optimization decisions by designing and successfully executing experimental program for hydraulic fracturing of large blocks in the lab with acoustic emission monitoring. Applied field-to-lab scaling based on similitude principle. Developed new Pressure Hammer Apparatus to study effects of rate and pressure pulsing on fracture initiation and propagation from multiple perforation clusters in the lab. Delivered valuable insights for field completion optimization decisions by designing and successfully executing experimental program for hydraulic fracturing of large blocks in the lab with acoustic emission monitoring. Applied field-to-lab scaling based on similitude principle. Developed new Pressure Hammer Apparatus to study effects of rate and pressure pulsing on fracture initiation and propagation from multiple perforation clusters in the lab.

    • United States
    • Oil and Gas
    • 300 - 400 Employee
    • Sr. Development Engineer
      • Apr 2018 - Oct 2019

      Validating and enhancing the design of premium threaded connections for well casing using Finite Element Analysis (Abaqus) and Python scripting. Helping operator customers optimize well casing design using StressCheck and WellPlan. Validating and enhancing the design of premium threaded connections for well casing using Finite Element Analysis (Abaqus) and Python scripting. Helping operator customers optimize well casing design using StressCheck and WellPlan.

    • United States
    • Oil and Gas
    • 1 - 100 Employee
    • Senior Geomechanics Specialist
      • Feb 2017 - Mar 2018

      Consulting operating customers on Geomechanics projects. Consulting operating customers on Geomechanics projects.

    • United States
    • Oil and Gas
    • 1 - 100 Employee
    • Senior Engineer
      • Oct 2016 - Feb 2017

      Developing and deploying breakthrough technology for mapping hydraulic fractures from surface pressure monitoring data in offset wells using Geomechanics fundamentals and data analysis. • I delivered 2 projects with mapped fracture geometries to clients to improve completion design. • The idea I generated, when implemented, reduced computation cost of IMAGE Frac® over 100 times. Developing and deploying breakthrough technology for mapping hydraulic fractures from surface pressure monitoring data in offset wells using Geomechanics fundamentals and data analysis. • I delivered 2 projects with mapped fracture geometries to clients to improve completion design. • The idea I generated, when implemented, reduced computation cost of IMAGE Frac® over 100 times.

    • United Kingdom
    • Oil and Gas
    • 700 & Above Employee
    • Geomechanics Specialist
      • Apr 2011 - Dec 2015

      I lead geomechanics support of Unconventional assets (Permian, Eagle Ford) providing optimal horizontal well landing depth and completion recommendations.• I identified cost-effective 30% production uplift by optimizing completions economics using 3D hydraulic fracture modeling (Dynardo, optiSLang).• I reduced uncertainties in the input geomechanical parameters for the models by designing and executing geomechanical core testing programs and integrating lab test data with continuous material profiles derived from logs (Techlog). o I designed and successfully managed 10+ geomechanical core testing programs with internal and third-party vendors and a budget of $200K – $600K each. o I developed a workflow and best practice guide for geomechanical core analysis for Unconventionals, characterizing fracturing potential and increasing production.• I was recognized as an expert giving training on Multivariate Analysis and Geomechanics for Unconventionals. Show less

    • Associate Geomechanics Specialist
      • Sep 2006 - Apr 2011

      I conducted research for thermal in-situ upgrading/conversion processes in extra-heavy oil and oil shale reservoirs.• I ensured the safety of thermal operations by constructing reservoir-scale models (Abaqus) for geomechanical risk assessment (surface heave and subsidence, reservoir compaction, seal integrity, and well integrity).• I decreased uncertainties in input parameters for geomechanical models, analyzing 550 high-temperature triaxial tests, building constitutive models, and up-scaling to rock mass; developed MATLAB scripts.• I delivered 3 proprietary ABAQUS plug-ins, leading development by Simulia, exceeding expectations. Show less

    • United Kingdom
    • Oil and Gas
    • 700 & Above Employee
    • Consultant
      • Aug 2005 - Oct 2005

      Developed an innovative numerical method for constructing a 3D initial in-situ stress field that satisfies equilibrium conditions and optimizes the match to available field measurements for complex geometries. The iterative optimization procedure with regularization was implemented in Matlab coupled with a 3D finite element model in Comsol Multiphysics. Applied to a salt dome case in the North Sea. Developed an innovative numerical method for constructing a 3D initial in-situ stress field that satisfies equilibrium conditions and optimizes the match to available field measurements for complex geometries. The iterative optimization procedure with regularization was implemented in Matlab coupled with a 3D finite element model in Comsol Multiphysics. Applied to a salt dome case in the North Sea.

Education

  • University of Minnesota
    Doctor of Philosophy (Ph.D.), Civil Engineering
    2001 - 2006
  • Novosibirsk State University (NSU)
    Master’s Degree, Mathematics
    1998 - 2000
  • Novosibirsk State University (NSU)
    Bachelor’s Degree, Mathematics
    1994 - 1998

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