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  • Shubham Saraf

    Shubham Saraf

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Shubham Saraf

PhD Student

Project - CO2 / H2 Geo-sequestration in Volcanic Rock Formation with an Emphasis on Pore Scale Modelling Utilising CT scan

Underground gas storage (UGS) is gaining more focus as a solution for the storage of hydrogen (H2) and carbon dioxide (CO2), which present major challenges. Compressed CO2 is typically injected into basins of volcanic origin with limited permeability rock for long-term storage and to reduce atmospheric concentrations of greenhouse gases (GHG). Additionally, the generation of Grey H2, which is made from petroleum-based fuels like methane (CH4) using radicals, results in the emission of 10 tons of CO2 for every ton of H2 produced. So, carbon capture and storage (CCS) / H2 storage technology has been the subject of diligent research and investment over the past two decades. Therefore, the injection of CO2 / H2 into the core plug is evaluated by performing displacement research in a laboratory, allowing for quantification of CO2 / H2 storage in different modes. In order to accomplish this, researchers determined the pore size, porosity, and permeability of the acquired core samples, in addition to its mineral composition, total organic content, and adsorption of gas molecules. Also, scanning electron microscopy (SEM) can be used to compare brine saturation before and after flooding, to calculate porosity destruction and changes in pore size, and to measure pore morphology before and after flooding and CO2 / H2 leakages. Hence, to simulate the storage of CO2 / H2 in geological contexts and consider the behaviour of various states of CO2 / H2 injection, a computational model is constructed from core displacement data. Then, the creation of a dynamic pore network model utilises advanced programming techniques, enabling the effective machine investigation of petrophysical data. This model is utilised to assess the capacity for storing substances, specifically examining how these gases are distributed and their ability to be trapped inside the formations. Also, this study has an intangible effect on lowering the amount of GHG in the atmosphere.

Research Areas and Interests

  • Carbon Dioxide and Hydrogen Storage
  • Pore Network Modelling and Simulation
  • Petrophysical Data Analysis

Qualifications

  • Master of Technology in Petroleum Engineering, Pandit Deendayal Energy University, Gandhinagar, Gujarat, India, 2019.

Supervisors

Contact

Shubham Saraf
School of Engineering

Email: ssaraf@our.ecu.edu.au

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