Tom Tomastik

Chief Geologist

Mr. Tomastik is a certified petroleum geologist with over 38 years of diverse expertise and experience in the energy sector, government, and consulting. Tom obtained his BS and MS in geology from Ohio University in 1979 and 1981. He has been involved in the planning, drilling, permitting and development of oil and gas and Class II saltwater disposal wells, Class I feasibility studies, injection well audits, stray gas investigations, natural gas and natural gas liquids storage, groundwater contamination investigation cases, induced seismicity, seismic monitoring and installation, and expert witness testimony. During his career, Mr. Tomastik has been involved in the drilling and completion of 26 oil and gas wells, which included the drilling, cementing, geophysical logging, perforating, hydraulic fracturing, and acid treatment of these wells. Tom also has been involved with oversight of the permitting, drilling, conversion, and completion of numerous Class II disposal wells, which included all aspects of the permit process, AFE development and contractor coordination, drilling, cementing, geophysical logging, acidizing, mechanical integrity testing, injectivity testing, and well workovers.

As a chief geologist at ALL Consulting, Mr. Tomastik has experience and expertise not only in the energy sector, but previously as a state regulator, with 25-1/2 years as a senior geologist with the Ohio Department of Natural Resources (ODNR), where he oversaw the planning, permitting, drilling, and conversion of hundreds of Class II and Class III injection wells using hydrogeology, geology, and engineering specialization for well construction, completion, and surface facility operations. At ODNR, as lead geologist, Tom also conducted several hundred groundwater and stray gas investigations related to oil and gas, industrial minerals, and coal mining operations in Ohio and testified on numerous occasions as an expert witness before various commissions and in the county court system. Additionally, over his career, Tom has published 61 articles or presentations on oil and gas, secondary oil recovery, salt-solution mining, cavern storage, Class II disposal, groundwater and stray gas investigations, CO2 Geosequestration, hydraulic fracturing, induced seismicity, and regulatory issues.

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