New study shows crop waste could fill old wells and sequester carbon

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🗞️ Driving the news: A new study from Iowa State University (ISU) reveals that bio-oil derived from crop waste, such as corn stover, can be injected into abandoned oil and gas wells to sequester carbon permanently
• The technique could simultaneously reduce agricultural waste, store atmospheric CO₂, and help safely seal hundreds of thousands of orphaned wells across the U.S.
• The study, funded in part by carbon removal startup Charm Industrial, appears in the October edition of Energy Conversion and Management

🔭 The context: The U.S. has up to 800,000 undocumented orphaned oil and gas wells—many of which pose environmental and safety risks
• Bio-oil sequestration, pioneered by companies like Charm Industrial, offers an innovative method of permanent CO₂ removal by transforming agricultural residues into a stable, carbon-rich liquid and storing it underground
• The ISU research provides scientific validation for scaling this approach and links climate mitigation to rural economic development

🌍 Why it matters for the planet: Bio-oil sequestration through crop residue not only removes CO₂ from the atmosphere but also offers a sustainable use for farm waste
• With each abandoned well capable of storing over 216,000 gallons of liquid, the potential impact is significant
• This approach helps address climate goals through negative emissions while reducing methane leakage risks and environmental hazards associated with idle wells

⏭️ What's next: Charm Industrial and other players are expected to expand pilot programs across the Midwest and beyond, leveraging data from the ISU study to attract new investment and regulatory support
• The research could also inform U.S. federal funding priorities, particularly under orphaned well cleanup initiatives
• Rural states like Iowa may emerge as hubs for carbon removal operations tied to agricultural supply chains

💬 One quote: “This study will help companies make reliable investments and provide a way to find new revenue streams in rural areas where biomass is collected.” – Peter Reinhardt, CEO of Charm Industrial

📈 One stat: An average abandoned well — 1.6 feet wide and 2.6 miles deep — can store approximately 216,000 gallons of carbon-rich bio-oil

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