Number of active oil rigs in counties associated with the Permian, Eagle Ford, Bakken, and Niobrara plays, monthly Jan 2007 to July 2015. Data source: Nevertheless, U.S. tight oil production continued to climb through April. It has fallen since, but the EIA estimates that September production will only be down 7%, or about 360,000 barrels/day, from the peak in April. Actual or expected average daily production (in million barrels per day) from counties associated with the Permian, Eagle Ford, Bakken, and Niobrara plays, monthly Jan 2007 to September 2015. Data source: EIA Drilling Productivity Report. This is despite the fact that typically output from an existing well falls very quickly after it begins production. The EIA estimates that tight oil production from wells that have been in operation for 3 months or more has declined by 1.6 mb/d since April, as calculated by the sum of the EIA estimated […]