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Learn About Oil & Gas Production

Data from state Railroad Commissions, explained simply. No jargon. No fluff. Just the facts about how oil and gas is found, drilled, and measured.

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Topic: All Topics Production Basins Regulation Glossary

Illinois production

Illinois Oil Production and the Illinois Basin

Illinois has been producing oil longer than almost any other state. The first commercial oil well in Illinois was completed in 1853 — six years before Edwin Drake's famous Pennsylvania well. Over the …

Mar 29, 2026 Read More

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