SPE Denver General Meeting: December 2025

Abstract:
Organic Oil Recovery is a tertiary oil recovery process that only stimulates certain resident
microbes that already exist in your reservoir to release residual, bypassed and trapped oil —
without chemicals, downhole modifications, topside changes, or capex. By feeding the microbes
a specific targeted nutrient blend, we activate a gene in the target microbial species to move
them from the water phase (hydrophilic) to the oil/water interface (hydrophobic) where they
reduce interfacial tension and release oil left behind by conventional methods. The process is
simple: batch treatments using ISO tanks and temporary pumping equipment.

Bio:
Zach Broussard is Product Line Manager, Americas, for Hunting, where he leads
commercialization of Organic Oil Recovery (OOR), a technology that utilizes indigenous
microbes to increase oil recovery. Prior to Hunting, Zach co-founded Gold H2 (now Eclipse
Energy) and served as CTO, advancing microbial pathways for in-situ hydrogen generation.
Before that, he held roles at ChampionX focused on mitigating microbiologically influenced
corrosion in upstream oilfield applications, bridging lab development with field
implementation. He has overseen multi-disciplinary teams across R&D, pilot design, and
reservoir diagnostics, integrating DNA sequencing, microbial ecology, and production analytics
with operator workflows.

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