About

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Ashton Bretzer

Senior Reservoir and Completions Engineer

Ashton Bretzer is a Senior Reservoir and Completions Engineer at ResFrac, where he helps energy companies optimize fracturing operations and reservoir development. He has over ten years of experience in fracturing and stimulation across both conventional and unconventional reservoirs.

Prior to joining ResFrac, Ashton worked at TAQA Well Services in Saudi Arabia, focusing on HPHT acid and proppant fracturing design, modeling, optimization, and execution. During his time in the Middle East, he led the first CO₂ foamed fracturing treatments for two different service companies in Saudi Arabia and supported multiple field trials and the implementation of new technologies.

Earlier in his career, Ashton worked at Baker Hughes and BJ Services in Canada, delivering technical and operational expertise to a wide range of clients across the country’s major oil and gas plays.

Ashton holds a Bachelor of Science in Chemical Engineering from the University of Saskatchewan and has published several technical papers for various SPE conferences. Outside of work, he enjoys traveling and exploring different parts of the world and spending time at his family cabin by the lake.

Ashton's posts

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ResFrac, a Leader in Advancing the Future of Subsurface Simulation, Receives Platform Investment from Banneker Partners

Banneker Partners (“Banneker”) today announced a platform investment in ResFrac Corporation (“ResFrac”), the developer of the industry’s only fully integrated reservoir simulation and hydraulic fracturing platform. ResFrac uniquely couples reservoir simulation and hydraulic fracture modeling, enabling engineers to model a well’s entire life cycle, from the moment rock is fractured through years of production, in a single, continuous simulation. This precision allows energy operators to test thousands of design scenarios in a virtual environment, optimizing completion design and maximizing resource recovery while minimizing capital risk.

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Production impact of horizontal fractures

At the 2025 SPE International Hydraulic Fracturing Technology Conference, we (Dontsov, Zoback, McClure, and Fowler) presented “Hydraulic Fracture Propagation Along Bedding Planes Might Be More Prevalent Than We Think” (SPE-226637). The paper reviewed case studies with evidence of horizontal or bedding plane fractures from microseismic, fiber optics, core observations, and casing deformation.

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