439 months of monthly production on record (1990-01–2026-07): 494,638,185 bbl oil and 2,521,578,402 mcf gas over the recorded period.
Latest recorded production month: Jul 2026 · Buckhead Energy analysis of public oil and gas data, refreshed monthly.
Production reporting period: 1990-01–2026-07; 439 reported months.
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: McMullen County, Texas has 494,638,185 barrels of oil and 2,521,578,402 Mcf of gas on record across 439 months (Jan 1990–Jul 2026), peaking at 3,636 producing wells in a single month, per Buckhead Energy analysis of public oil and gas data, refreshed monthly. Oil and gas are each published only when at least 3 wells report that commodity; figures resting on fewer than 3 wells are withheld.
Over the 439 months on record (Jan 1990–Jul 2026), McMullen County has produced 494,638,185 barrels of oil and 2,521,578,402 thousand cubic feet (Mcf) of gas, per Buckhead Energy analysis of public oil and gas data. Month-by-month figures for the most recent 60 months are in the table on this page.
McMullen County peaked at 3,636 producing wells in a single month, with 3,578 in the latest reported month, based on the monthly producing-well counts in this dataset.
It is Buckhead Energy analysis of public oil and gas data, refreshed monthly. Oil and gas are each published only when at least 3 wells report that commodity; figures resting on fewer than 3 wells are withheld. It is reference data — not a valuation, appraisal, or investment advice.
No. The figures are Buckhead Energy analysis of public oil and gas data. They are reference data, not a valuation, appraisal or investment advice.
"<3" marks a figure resting on fewer than 3 wells: oil is shown only when at least 3 wells report oil, gas only when at least 3 report gas, and the well count is withheld when it would reveal a smaller group by subtraction. Consecutive months with every figure withheld are shown as one line. Buckhead Energy analysis of public oil and gas data; oil in barrels, gas in thousand cubic feet. This is reference data, not a valuation. If you own minerals here, get a free written offer.
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Figures for McMullen County, Texas. Source: Buckhead Energy analysis of public oil and gas data. A figure based on fewer than 3 wells is withheld.
Oil valued at the EIA WTI Cushing monthly average price; gas at the EIA Henry Hub monthly average × 1.037 MMBtu per mcf. This is historical gross value at benchmark prices, before price differentials, deductions, and taxes — not an estimate of any owner's income or a valuation.
| Year | Oil | Gas | Total |
|---|---|---|---|
| 2025 | $1,900,000,000 | $720,000,000 | $2,600,000,000 |
| 2024 | $2,300,000,000 | $470,000,000 | $2,800,000,000 |
| 2023 | $2,100,000,000 | $390,000,000 | $2,500,000,000 |
Median permit to spud: 30 days (186 wells)
Median spud to first production: 149 days (191 wells)
Drilled, not yet producing: 66 wells spudded in the last three years with no first production reported; median 185 days since spud
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