Marathon Oil Company's well footprint in Karnes County — wells operated and wells that have produced — and what it means if you own minerals here.
Well data as of October 2026 · Buckhead Energy analysis of public oil and gas data
Get a Free OfferMarathon Oil Company has 2,141 well records in Karnes County, Texas, which ranks it #1 among operators in the county by well count. Of those, 1,789 have a first-production date on file (have produced at some point). Most of its wells here are in the Austin Chalk play.
County-wide drilling counts (permits, spuds, DUCs) for Karnes County are on the Karnes County mineral rights page.
Wells that have produced underpin the county's royalty history.
The operator is one input. Who operates the wells under your tract is one of the inputs a buyer weighs.
Your tract is what counts. County-level activity sets the backdrop, but your lease royalty, decimal interest, and exact tract determine your actual royalty. See how to track drilling near you and net mineral acres vs. net royalty acres.
Marathon Oil Company has 2,141 well records in Karnes County, Texas (ranked #1 among operators in the county by well count), of which 1,789 have produced at some point. Figures come from Buckhead Energy analysis of public oil and gas data, as of October 2026.
Wells that have produced (1,789 here) underpin the county's royalty history. Marathon Oil Company's scale in Karnes County is one input a buyer weighs when valuing minerals there — but your specific tract, lease royalty, and decimal interest determine what you actually receive.
Yes. Buckhead Energy is a direct buyer of mineral and royalty interests in Karnes County, Texas, including interests under Marathon Oil Company-operated wells. We provide a free, no-obligation written offer.
Buckhead Energy buys mineral and royalty interests in Karnes County, Texas directly — own capital, no broker commissions, and a free, no-obligation written offer.
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Well counts come from Buckhead Energy analysis of public oil and gas data (counts under 3 wells withheld) and refreshed periodically; they are general information, not legal, tax, or investment advice. Confirm specifics against current state-agency data for any tract.
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