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Eric Shulz

Eric Schulz

Senior Software Engineer

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Eric Shulz is an experienced reservoir and software engineer, with experience performing reservoir modeling, financial modeling, and reserves evaluation.

Prior to joining ResFrac, Eric was a reservoir engineer at EOG Resources, primarily working in Mid-Continent unconventional assets. Eric also has experience in startups focused on software engineering and conventional oil and gas exploration.

Eric earned a Bachelor of Science in Petroleum Engineering and a Master of Science in Petroleum Engineering from The University of Texas at Austin. While earning his Master’s degree, Eric authored a thesis covering his research on the performance of mixtures of proppants that are commonly used in hydraulic fracturing.  Eric is a licensed Professional Engineer in Texas and an Eagle Scout.

In his free time, Eric enjoys hiking, skiing, golf, and playing piano.

Eric's posts

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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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Testing the new Kryvenko model for proppant washout

What controls proppant placement during hydraulic fracturing? As described in Chapter 8 from McClure et al. (2025), ResFrac incorporates a variety of physical processes – viscous drag, gravitational settling, hindered settling, clustered settling, bed slumping, and more. In addition, ResFrac accounts for the complex physics associated with proppant flowing out of the wellbore (Dontsov, 2023; Ponners et al., 2025).

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