Todd Heitmann Email & Phone Number

Greater St. Louis Area

Oklahoma City, Oklahoma Area

• Initial startup team member• Built full stack data science workflow from scratch

Oklahoma City, Oklahoma Area

• Lead Data Science vision throughout the company• Implemented foundational ML/AI platform for use in capital deployment• Built custom ETL processes in P/L SQL and python to provide data-on-demand• Automated business intelligence to give real time data to executive team

Oklahoma City, Oklahoma

• Automated well reporting for weekly executive reviews• Created evergreen database structures for accurate data shared between groups

• Performed rate transient analysis for finding stimulated rock volume and well interference• Scripted Aries workflows for automation to reduce tasks from hours to minutes• Explored linear-mixed models for enhancing type curve predictions

Static and dynamic petrophysical evaluation focusing on:• International exploration including MacArthur Basin and Vaca Muerta• Matlab reservoir simulation from core scale to field scale• Development of petrophysical algorithms to build multimineral models within python for quick/large scale applications• Monte Carlo simulation for sensitivities in reservoir properties, production, and financial models• Lead Petrophysicist for South American Plays and Mid-Continent United StatesData Science approaches to formation evaluation, including:• Unsupervised machine learning for electrofacies and numeric rock types• Multidimensional scaling for well typing

• Designed and developed new apparatus to measure permeability and porosity at confining pressure• Coordinated research interests for joint industry projects (OU Shale Consortium and Reservoir Engineering Research Institute)• Solved partial differential equations to model different transport phenomena• History matched pressure and/or flow data• Designed and built new steady state permeability system leveraging new technologies to measure samples previously unmeasured at Chesapeake• Optimized system parameters for maximum efficiency• Performed different error analyses for multiple systems

• Solved unexpected problems facing completion of projects• Worked as sole project manger for 2 weeks on $10MM flare project

• Assisted research of extended surfactants for doctoral dissertation• Contributed to writing for publication in scientific journals• Conducted product testing for Tide, Proctor & Gamble, and Baker Hughes• Performed experiments for sustainable water technology researchPublished Article:Anuradee Witthayapanyanon, Tri Thanh Phan, Todd C. Heitmann, Jeffrey H. Harwell and David A. Sabatini, "Interfacial Properties of Extended-Surfactant-Based Microemulsions and Related Macroemulsions," J. Surfact. Deterg., 13(2): 127–134, 2010.

Master Of Science - Ms, Data Science And Analytics

Bachelor Of Science - Bs, Chemical Engineering

"On the use of Genetic Algorithms for Pipeline Network Design" received second place among all capstone projects.

Education record