Emmanuil B. Chekaliuk
Ukrainian petroleum engineer
Emmanuïl Bogdanovych Chekaliuk (Ukrainian: Емануїл Богданович Чекалюк Gnizdychev, Zhydachiv District, Lviv Oblast, May 6, 1909 – Lviv, January 5, 1990) was a Ukrainian petroleum engineer and statistical thermodynamicist. He first produced rigorous physical and mathematical evidences of petroleum thermodynamic stability at mantlean conditions. Since the 1990s the heavy hydrocarbons mixture enriched with organometallic compounds is widely known as "Chekaliuk’s petroleum".
Born in the family of a parson he graduated from Electromechanics Faculty at Lviv Polytech Institute in 1933 and then worked as an electrician at Kalush potash plant and later received the job of an engineer at the factory for domestic electric appliances in Warsaw. His first research paper on electrophysics was published in Przeglad electrotechniczny Jour. in 1938. After WW II he come back to Ukraine and linked his career with petroleum industry and passed through all positions from a field engineer to a director of large production enterprise. In 1951 Chekaliuk started to work at Central Research Lab of Ukrnafta Co. in Boryslav, and in 1955 he joined Ukrainian Research Geoexploration Institute (UkrDGRI). Defended his PhD thesis entitled "Non-stationary phenomena of homogeneous liquid inflow from porous medium" at Lviv Polytech Inst.
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This entry incorporates text from “Emmanuil B. Chekaliuk” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.