Alena Grechishnikova

Alena grechishnikova

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location of Alena GrechishnikovaHouston, Texas, United States
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  • Timeline

  • About me

    Earth Science Advisor

  • Education

    • Colorado school of mines

      2013 - 2017
      Doctor of philosophy (ph.d.) geophysics and geophysical engineering, geology minor gpa: 3.83/4.00

      Activities and Societies: SEG, AAPG, RMAG Thesis: Niobrara discrete fracture network: from outcrop surveys to subsurface reservoir models.Awards: • Doctoral Research Fellowship 2013-2017• SEG 2017 Travel Grant Award• 2017 1st Place Award for Civil: Seismic Energy Session, Annual Graduate Research and Discovery Symposium

    • Российский государственный университет нефти и газа (национальный исследовательский университет) имени и.м. губкина

      2008 - 2010
      Master's degree (ms) geophysics, geology and mineral exploration; engineering and technology gpa: 3.91/4.00

      Activities and Societies: EAGE, SEG Thesis: Constraining low frequency impedance models for the seismic inversion of the fluvial-deltaic and shallow marine reservoirs in West Siberia, Russia, using RMS and interval velocities generated by seismic processing.Awards:• Graduate Research Fellowship 2008-2010

    • Российский государственный университет нефти и газа (национальный исследовательский университет) имени и.м. губкина

      2004 - 2008
      Bachelor of science (bs) geophysics, geology and mineral exploration; engineering and technology gpa: 3.65/4.00

      Activities and Societies: EAGE, SEG Thesis: Assessing the impact of seismic survey parameters on data quality using the illumination studies and forward modeling. A salt-dome tectonics case study, Southern Coast of Africa.

  • Experience

    • Westerngeco

      Jun 2007 - Aug 2007
      Geophysicist (professional intern)

      WesternGeco, Depth Imaging GroupProjects: Southern coast of Africa – salt dome tectonics• Performed seismic data processing and interpretation in salt dome tectonic setting• Assessed the impact of seismic survey parameters on data quality using illumination studies• Improved seismic processing results by developing a detailed shallow velocity model affected by depth and salinity of the water layer

    • Gazprom

      Apr 2008 - Aug 2008
      Geophysical engineer

      Gazprom PromgazProjects: West Siberia, Russia – fluvial and deltaic reservoirs• Responsible for VSP processing and data quality control.• Prepared reporting and presentation materials for the stakeholders.

    • Slb

      Sept 2008 - Jan 2013
      Geophysical engineer

      Data & Consulting Services (DCS) Projects: West Siberia, Russia – fluvial and deltaic reservoirs Caspian Basin, Kazakhstan – carbonate reservoirs• Project leader for multidisciplinary team (rock physicists, geologists, and geophysicists)• Performed seismic post-processing, interpretation, attribute analysis, seismic well tie and inversion, VSP calibration• Improved reservoir sweet spot identification by designing new facies mapping workflows • Created a new seismic inversion technique (seismic processing velocities used to constrain low frequency impedance models) Show less

    • Colorado school of mines

      Jan 2013 - Sept 2017
      Research assistant

      Department of Geophysics and Geophysical EngineeringProjects: Wattenberg Field, Denver Basin, CO – unconventional reservoirs: chalks, marls, tight sandstones• Project leader and mentor for multidisciplinary team of 19 researchers• Developed a new workflow for outcrop-to-subsurface geomodel building and calibration: structural framework, facies modeling, property modeling, fracture network modeling• Developed a new approach for digital outcrop dataset integration into reservoir characterization modeling• Increased the efficiency of an active mine by 30 % ($22MM per year operation)• Optimized horizontal well planning and sweet spot identification (3D fractures and facies modeling) Show less

    • Exxonmobil

      May 2013 - Aug 2013
      Modeler (professional intern)

      Upstream Research Company (URC), Stratigraphic & Reservoir Systems DivisionProjects: Kalamkas Field, Caspian Sea, Kazakhstan - deltaic reservoirs• Developed workflows for reservoir modeling techniques to improve the honoring of shale drapes (baffles and barriers to fluid flow)• Performed hierarchical Multi Point Statistics (MPS) reservoir facies modeling for a prograding mixed energy delta environment

    • Chevron

      Jun 2014 - Aug 2014
      Petrophysicist (professional intern)

      Chevron Energy Technology Company (ETC)Projects: Boscan Field, Venezuela – fluvial-deltaic reservoirs• Prepared petrophysical models to derisk drilling targets, evaluate effective porosity and saturation for fluid substitution and elastic rock properties• Performed seismic well ties, AVO analysis, reservoir properties from seismic (RPFS) process

    • Ursus e&p services

      Oct 2014 - Jun 2015
      Geophysical advisor

      Projects: Denver Basin, CO – unconventional reservoirs: chalks, marls, tight sandstones• $97MM USD of horizontal well drilling expenditures (responsible for planning and execution)• Developed geological models allowing proper horizontal well planning and placement• Optimized production through 3D seismic geosteering and real-time G&G field support for the well site staff during drilling operations, interacted with the Client, well site staff, and drilling contractors• Identified geohazards, provided advice on the completion strategies Show less

    • Energy & geoscience institute

      Sept 2017 - Apr 2019

      • Unconventional reservoir group developer, natural fracture network expert• Professional development course leader • Carbon sequestration & EOR projects: integrated reservoir characterization and modeling; well planning and design, 3D seismic acquisition and wireline log acquisition planning

      • Senior Research Scientist

        Jul 2018 - Apr 2019
      • Post-Doctoral Research Associate

        Sept 2017 - Jun 2018
    • Chevron

      Apr 2019 - now

      • Unconventional reservoir management technology projects shaping/workflow design to address key business drivers, data, and strategic discipline integration; staff mentoring and professional development Chevron Mid-Continent Business Unit (MCBU) – Midland, TXProjects: Permian Basin• Driving strategy framing for subsurface analysis at basin to development area scales for Frac Hit risk assessment, EOR treatments, and production optimization• Unconventional first principles for earth modeling, spatial analytics, machine learning (ML) and artificial intelligence (AI) Chevron Energy Technology Company (ETC) – Houston, TXProjects: Permian Basin, Gulf of Mexico, offshore West Africa, Kazakhstan• Subject matter expert: natural fracture characterization and modeling• Business unit support and advisory

      • Earth Science Advisor

        Jan 2024 - now
      • Operations Geoscientist

        Nov 2020 - Jan 2024
      • Technical Earth Scientist

        Apr 2019 - Nov 2020
  • Licenses & Certifications

    • Msha experienced miner

      Jds msha training
      Nov 2015
  • Honors & Awards

    • Awarded to Alena Grechishnikova
      SEG 2017 Travel Grant Award SEG Sep 2017
    • Awarded to Alena Grechishnikova
      1st Place Award for Civil: Seismic Energy Session, Annual Graduate Research and Discovery Symposium Colorado School of Mines Apr 2017
    • Awarded to Alena Grechishnikova
      Colorado School of Mines Doctoral Research Fellowship 2013-2017 Colorado School of Mines, Department of Geophysics Jan 2013
    • Awarded to Alena Grechishnikova
      Gubkin Russian State University of Oil and Gas Research Fellowship 2008-2010 Russian State University of oil and gas named after I.M.Gubkin Sep 2008
  • Volunteer Experience

    • Reviewer

      Issued by SEG/AAPG Interpretation Journal on Jan 2018
      SEG/AAPG Interpretation JournalAssociated with Alena Grechishnikova
    • Conference Oral Session Chair: Unconventional Resources

      Issued by SEG on Apr 2016
      SEGAssociated with Alena Grechishnikova
    • Imperial Barrel Award (IBA) Judge

      Issued by American Association of Petroleum Geologists (AAPG) on Mar 2014
      American Association of Petroleum Geologists (AAPG)Associated with Alena Grechishnikova
    • Conference Oral Session Chair: Energy and Environment

      Issued by AAPG Education on May 2018
      AAPG EducationAssociated with Alena Grechishnikova
    • Conference Oral Session Chair: Carbon Management

      Issued by AAPG Education on May 2018
      AAPG EducationAssociated with Alena Grechishnikova