Monthly production for every producing California county. Open any county for its recent monthly series and Buckhead county metrics.
Latest production month represented: Aug 2026. County reporting periods differ; the county-production table is rebuilt monthly.
Production reporting period: 1990-01–2026-08.
Last complete dataset refresh: 2026-09-28T04:54:48.560Z. Individual counties may contain newer records from a partial refresh.
Reporting periods vary by county and may contain gaps. A missing month is not assumed to have zero production. Production months and dataset refresh dates are different from regulator publication dates.
Quick answer: Monthly oil and gas production for 32 California counties, led by Kern County (6,159,597,139 bbl oil on record). Across all counties, California has 7,813,787,810 barrels of oil and 15,212,822,531 Mcf of gas in this dataset — Buckhead Energy analysis of public oil and gas data, refreshed monthly.
This dataset covers 32 California counties with monthly oil and gas production, each on its own page. Buckhead Energy analysis of public oil and gas data, refreshed monthly.
By cumulative oil on record in this dataset, Kern County leads with 6,159,597,139 barrels. The full per-county ranking is on this page, each linking to its monthly detail.
No. The figures are Buckhead Energy analysis of public oil and gas data. They are reference data, not a valuation, appraisal or investment advice.
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Figures are Buckhead Energy analysis of public oil and gas data. A county's oil total counts only months in which at least 3 wells reported oil, and its gas total only months in which at least 3 wells reported gas, so totals are floors; "<3" marks a total withheld under that rule. Figures are for research and reference; they are not a valuation. Spotted an error? Tell us and we'll note it.
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