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O&G, Geothermal Systems, and Natural Hydrogen Well Drilling: Market Analysis and Review

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  • Andreas Nascimento

    (School of Engineering and Sciences, São Paulo State University (UNESP), Guaratinguetá 12516-410, Brazil
    Institute of Mechanical Engineering, Federal University of Itajubá (UNIFEI), Itajubá 37500-903, Brazil
    Institute of Drilling Engineering and Fluid Mining, Technische Universität Bergakademie Freiberg, 09599 Freiberg, Germany)

  • Diunay Zuliani Mantegazini

    (School of Engineering and Sciences, São Paulo State University (UNESP), Guaratinguetá 12516-410, Brazil)

  • Mauro Hugo Mathias

    (School of Engineering and Sciences, São Paulo State University (UNESP), Guaratinguetá 12516-410, Brazil)

  • Matthias Reich

    (Institute of Drilling Engineering and Fluid Mining, Technische Universität Bergakademie Freiberg, 09599 Freiberg, Germany)

  • Julian David Hunt

    (Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia)

Abstract

Developing clean and renewable energy instead of the ones related to hydrocarbon resources has been known as one of the different ways to guarantee reduced greenhouse gas emissions. Geothermal systems and native hydrogen exploration could represent an opportunity to diversify the global energy matrix and lower carbon-related emissions. All of these natural energy sources require a well to be drilled for its access and/or extractions, similar to the petroleum industry. The main focuses of this technical–scientific contribution and research are (i) to evaluate the global energy matrix; (ii) to show the context over the years and future perspectives on geothermal systems and natural hydrogen exploration; and (iii) to present and analyze the importance of developing technologies on drilling process optimization aiming at accessing these natural energy resources. In 2022, the global energy matrix was composed mainly of nonrenewable sources such as oil, natural gas, and coal, where the combustion of fossil fuels produced approximately 37.15 billion tons of CO 2 in the same year. In 2023, USD 1740 billion was invested globally in renewable energy to reduce CO 2 emissions and combat greenhouse gas emissions. In this context, currently, about 353 geothermal power units are in operation worldwide with a capacity of 16,335 MW. In addition, globally, there are 35 geothermal power units under pre-construction (project phase), 93 already being constructed, and recently, 45 announced. Concerning hydrogen, the industry announced 680 large-scale project proposals, valued at USD 240 billion in direct investment by 2030. In Brazil, the energy company Petroleo Brasileiro SA (Petrobras, Rio de Janeiro, Brazil) will invest in the coming years nearly USD 4 million in research involving natural hydrogen generation, and since the exploration and access to natural energy resources (oil and gas, natural hydrogen, and geothermal systems, among others) are achieved through the drilling of wells, this document presents a technical–scientific contextualization of social interest.

Suggested Citation

  • Andreas Nascimento & Diunay Zuliani Mantegazini & Mauro Hugo Mathias & Matthias Reich & Julian David Hunt, 2025. "O&G, Geothermal Systems, and Natural Hydrogen Well Drilling: Market Analysis and Review," Energies, MDPI, vol. 18(7), pages 1-22, March.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:7:p:1608-:d:1618849
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    References listed on IDEAS

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    1. Li, Tianyu & Yue, Xiao-Guang & Qin, Meng & Norena-Chavez, Diego, 2024. "Towards Paris Climate Agreement goals: The essential role of green finance and green technology," Energy Economics, Elsevier, vol. 129(C).
    2. Kubota, Hiromi & Hondo, Hiroki & Hienuki, Shunichi & Kaieda, Hideshi, 2013. "Determining barriers to developing geothermal power generation in Japan: Societal acceptance by stakeholders involved in hot springs," Energy Policy, Elsevier, vol. 61(C), pages 1079-1087.
    3. Baojiang Sun & Mengjun Zhang & Qian Sun & Jie Zhong & Guanghao Shao, 2025. "Review on natural hydrogen wells safety," Nature Communications, Nature, vol. 16(1), pages 1-14, December.
    4. Walch, Alina & Li, Xiang & Chambers, Jonathan & Mohajeri, Nahid & Yilmaz, Selin & Patel, Martin & Scartezzini, Jean-Louis, 2022. "Shallow geothermal energy potential for heating and cooling of buildings with regeneration under climate change scenarios," Energy, Elsevier, vol. 244(PB).
    5. Hunt, Julian David & Nascimento, Andreas & Nascimento, Nazem & Vieira, Lara Werncke & Romero, Oldrich Joel, 2022. "Possible pathways for oil and gas companies in a sustainable future: From the perspective of a hydrogen economy," Renewable and Sustainable Energy Reviews, Elsevier, vol. 160(C).
    6. Dariusz Knez & Omid Ahmad Mahmoudi Zamani, 2023. "Up-to-Date Status of Geoscience in the Field of Natural Hydrogen with Consideration of Petroleum Issues," Energies, MDPI, vol. 16(18), pages 1-17, September.
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    1. Vitória Felicio Dornelas & Andreas Nascimento & Diunay Zuliani Mantegazini & Electo Eduardo Silva Lora & Edson da Costa Bortoni & Mohd Amro, 2025. "Occurrences and Perspectives of Natural Hydrogen Extraction: The Brazilian Context," Energies, MDPI, vol. 18(11), pages 1-22, May.

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