Turning Abandoned Wells Into Clean Hydrogen Goldmines
A Houston startup is using microbes to unlock trapped energy from dormant oil wells.
America’s oil fields are dotted with millions of abandoned wells—sites where owners walked away despite vast reserves of oil and natural gas remaining underground. Prab Sekhon, CEO of Houston-based Eclipse Energy, notes that these companies “tried everything,” yet “there’s still a ton of oil left behind.” Traditional extraction methods couldn’t justify the cost, leaving a massive, dormant energy resource. Eclipse Energy, formerly known as Gold H2, has developed a biological solution to tap this legacy.
Rather than relying on force to drive viscous oil to the surface, Eclipse deploys specialized microbes engineered to consume oil deep underground. As these microbes digest the hydrocarbons, they liberate the trapped energy in the form of hydrogen gas. “Hydrogen flows a lot easier,” Sekhon explained, highlighting that extracting gas is far simpler and more efficient than pumping heavy crude. This biological approach fundamentally changes the economics of abandoned wells, transforming them from liabilities into clean energy assets.
The process begins with a careful selection of nature’s own workers. Over the last several years, Eclipse has sampled naturally occurring microbes living at the oil-water interface in aquifers. The company identifies and cultures the strains best suited for breaking down specific types of oil. Once injected, these microbes go to work, converting hydrocarbons into a mixture of hydrogen and carbon dioxide. This gas mixture naturally rises to the surface, where it can be captured and processed.
This method offers significant environmental advantages. While the process does produce carbon dioxide, the company plans to manage it efficiently. Approximately 50% of the CO2 is expected to remain trapped within the reservoir, while the remaining half can be captured using specialized equipment for sequestration or industrial use. This positions the resulting hydrogen as a truly low-carbon energy source. Eclipse aims to produce this hydrogen for approximately 50 cents per kilogram, a price point that competes directly with hydrogen generated from natural gas—a process known as steam methane reforming, which carries a much heavier carbon footprint.
To scale this vision, Eclipse has moved from successful field tests to securing powerful industrial partnerships. After demonstrating its technology at an oilfield in California’s San Joaquin Basin last summer, the startup recently announced an exclusive global partnership with Weatherford International, a major oilfield services company. This collaboration is set to deploy the microbial technology worldwide beginning in January. Sekhon describes Weatherford not as a vendor, but as “an extension of our team” that will serve as the operational arm for Eclipse’s global rollout.
The implications for the energy sector are profound. By targeting the millions of wells already drilled, Eclipse bypasses the need for new surface disruption. It addresses the environmental liability of orphaned wells while producing a clean-burning fuel. The hydrogen produced can fuel petrochemical plants or be burned for electricity, providing a bridge between the fossil fuel legacy and a sustainable future. Essentially, Eclipse is mining the past to power the future. This bio-engineered approach proves that innovation doesn’t always require starting from scratch; sometimes, the most valuable resources are the ones we’ve already left behind.
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