Home Solutions & Technology Natural Hydrogen Smart Solution SOLUTIONS Natural Hydrogen Smart Solution Natural Hydrogen Exploration Fast-tracking natural hydrogen exploration is pivotal in achieving the energy transition and reaching net-zero emissions. Xcalibur Smart Mapping is a global leader in airborne exploration for natural hydrogen exploration. Leveraging our extensive experience and unique technologies, we have supported explorers such as HeliumOne, Hytierra, and Gold Hydrogen in their exploration programs. Everyone wants to live in a clean, healthy environment. As stewards of our beautiful earth, we should want to leave it better than we found it. Hydrogen is often described as the future of clean and affordable energy. However, currently over 90% of the world’s hydrogen is produced from energy generated by burning fossil fuels. This provides no progress in reducing carbon emissions. It is like recharging your EV with a diesel generator. Using renewable energy to create Hydrogen is a step in the right direction, but still comes with a large carbon footprint, and is an expensive way to produce Hydrogen. What if we could find naturally occurring hydrogen stored within in geological horizons and extract it safely and cheaply using existing technology. This would be a very low-cost and zero-carbon energy source, emitting water as the only by-product. Natural Hydrogen Generation and Accumulation: FORGING INNOVATION FROM ABOVE Xcalibur brings decades of expertise in data acquisition, interpretation, and modelling Natural hydrogen is formed in the subsurface via multiple processes. The best understood processes are Serpentinization and Radiolysis. Serpentinization is an alteration process of mafic/ultramafic lithologies resulting from interaction with water at specific pressures and temperatures. Ultramafic rocks are generally high density and can be mapped to great depth with Airborne Gravity Gradiometry (AGG) with high resolution gravity. AGG and magnetic data will also image radiogenic granites that generate hydrogen and helium through radiolysis. AGG and magnetic data will map the faults and fractures that act as conduits for both processes, allowing water influx and subsequent hydrogen generation and migration. For hydrogen to accumulate in the subsurface, impermeable layers such as shales and salt are required to impede its escape to the surface. FALCON® AGG is ideal for mapping these formations and structures, and has demonstrated this capability numerous times in conventional hydrocarbon exploration. H-MAS Xcalibur Smart Mapping and Curtin University of Technology in Perth, Australia, are collaborating to develop technology for the direct detection of atmospheric hydrogen from survey aircraft. This technology utilizes Raman Scattering Spectroscopy, the only known method to remotely and safely detect atmospheric hydrogen and various other gases. The process involves using a laser to excite a volume of air near the Earth’s surface, generating scattered light with a characteristic vibrational energy from each molecule. The Raman scattered light spectrum is then measured with a spectrometer to determine the concentration of hydrogen and other gases present. When deployed with FALCON® AGG, H-MAS offers a unique and powerful capability to detect geological hydrogen at the surface while mapping subsurface lithology and structures using FALCON® AGG and Magnetics. Independently, H-MAS provides a unique capability to remotely monitor atmospheric hydrogen leaks from pipelines and other hydrogen infrastructure. Clean Energy through natural hydrogen Maximizing Efficiency Supply with Minimal Costs & Emissions Natural hydrogen is generated continuously through naturally occurring processes in the subsurface. Thousands of wells have encountered natural hydrogen – however there was previously no incentive to develop and commercialize. Natural hydrogen exploration today is analogous to early years of the oil and gas industry (150 years ago). While early, the natural hydrogen industry is positioned to move fast given it’s a primary source of scalable and 24/7 dispatchable supply. The Natural Hydrogen Generation Process When looking for potential source areas, we clearly need to focus on iron-rich rocks. Here, the presence of gravity and magnetic anomalies are characteristic of such lithology. The serpentinization process produces magnetite and H2. Airborne magnetics will see the magnetite enrichment. High resolution airborne gravity and magnetic surveying is crucial, and Xcalibur is a world leader in conducting these geophysical surveys. Apart from identifying the source rocks, these geophysical methods will also map the fault networks, which allow fluid to circulate in the system, thereby allowing hydrothermal alteration process to occur, and identify potential hydrogen migration paths and trap mechanisms. We need to know basement geology – seismic alone cannot provide information on basement lithology, bur gravity and magnetic methods can. There is some evidence to suggest increased Thorium (Th) concentration levels associated with Hydrogen seeps. We can use radiometric methods to measure the Th anomaly. Using our expertise and unique airborne geophysical solutions, Xcalibur has the capability to bring both petroleum and mineral exploration workflows together to identify where hydrogen is likely to be generated, where it is migrating and where it may be trapped and accumulating in commercial quantities or have a flux high enough to tap and extract. Science, from “Hidden Hydrogen“, Eric Hand, 379, 6633, 2023 The Hydrogen Rainbow Hydrogen is still hydrogen, so why do we hear about so many different ‘colors’ of it? The Hydrogen Rainbow, as it has been termed – is a way to differentiate the energy source of the manufacturing process of hydrogen production. For example, BLACK HYDROGEN uses coal to generate the electricity used to produce hydrogen via an electrolysis process, cracking water into its base components, Hydrogen and Oxygen. This is relatively cheap but has a very high carbon footprint. GREEN HYDROGEN makes hydrogen in exactly the same way but uses renewable energy such as solar or wind energy to power the process. Clearly this has a lower carbon footprint than black hydrogen, but is expensive, given the end-to-end cost of renewable energy. There are many other ‘colors’ of hydrogen (which itself is a colorless and odorless gas). Content Mitsubishi Heavy Industries Group’s Hydrogen Colour Wheel To confuse matters more, NATURAL HYDROGEN is also known by several names. In the color convention it is known as ‘white’ or ‘gold’ hydrogen, it is often also referred to as ‘geologic’ hydrogen. Natural hydrogen is renewable as it is continuously generated by geochemical reactions within the earth. These reactions, known as serpentinization and radiolysis occur in specific rock types. These rock types can be identified with Xcalibur’s mapping technology. 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