US EnergyData

Monthly crude oil production

Field production of crude oil, measured in millions of barrels.
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Data source: U.S. Energy Information Administration — Petroleum Supply Monthly
Note: The US total includes production from the Federal Offshore Gulf of Mexico, which is not assigned to any state — currently around 1.9 million barrels per day, or about 14% of US output. State figures therefore sum to less than the US total.

What this data measures

Monthly crude oil production by state, measured in millions of barrels. Monthly data shows short-term production trends and responses to price changes more clearly than annual aggregates.

How this data is constructed

Monthly crude oil production data are sourced from the EIA Petroleum Supply Monthly. Data are collected from operators of crude oil leases and gathering facilities.

Source
U.S. Energy Information Administration, Petroleum Supply Monthly
Date range
1920–2025
Unit
Million barrels (MMbbl) per month
Last updated
Early 2026
Next update
Monthly