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James Frank
In a company video, an animation maps Mantle Energy's approach — a horizontal well loop that draws heat from deep rock to power a neighborhood and an industrial plant above ground. The Dallas startup aims to turn oil and gas wells into a "vast geothermal energy source." [[Image: Mantle Energy video screenshot via Vimeo]
Hunt Energy’s Dallas-Based Subsidiary Mantle Energy Raises $5M Seed Funding
by Sandra Engelland | Jun 24, 2026
Mantle, a Hunt Innovative Technologies spinout, uses groundbreaking techniques to create heat in oil and gas formations to extract more oil from reservoirs than traditional methods—along with geothermal energy, which offers a lower carbon baseload power. The method could unlock as much as 90% of the reservoir potential previously left behind, Mantle said.
by Sandra Engelland |
Jun 11, 2026
James Franks returns to Unleashed Brands after serving as head of franchise growth for WellBiz Brands. During his previous stint with Unleashed Brands, he helped grow franchise recruitment efforts throughout the platform, awarding more than 330 franchise locations and supporting the company's evolution into a multi-brand youth enrichment organization.
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