Future prospects and challenges in decarbonizing the petroleum industry

The exploration of petroleum and natural gas has fundamentally transformed industrial sectors worldwide, reshaping geopolitical dynamics and influencing various industries. However, the combustion of petroleum and natural gas generates significant carbon dioxide (CO2) emissions, exacerbating atmospheric CO2 levels and posing a considerable challenge in addressing global warming. Key activities contributing to greenhouse gas (GHG) emissions, particularly CO2, stem from petroleum extraction, processing, and the use of petroleum-derived products. Mitigating the environmental impact of the petroleum industry is crucial in the global fight against climate change, as this sector accounts for approximately 8% of total global GHG emissions. Decarbonization refers to the systematic reduction of CO2 emissions through initiatives such as enhancing energy efficiency and transitioning to alternative fuel sources. In 2023, fossil fuels supplied 84% of the world's primary energy, with oil comprising 34% of that total. Despite increasing efforts to shift toward renewable energy, global dependence on fossil fuels is projected to continue for the next three to fourdecades, particularly in developing regions. This reliance will predominantly involve natural gas and crude oil. Hydrocarbon industries have invested trillions of dollars in exploring new energy sources to ensure a satisfactory return for investors. To achieve decarbonization within the petroleum industry, it is essential to explore strategies aimed at minimizing its carbon footprint. This chapter offers a critical, interdisciplinary analysis of decarbonization processes within the petroleum sector, examining current developments, future trends, potential benefits, and the primary challenges in meeting decarbonization objectives.