U.S. crude oil production unchanged last week

HOUSTON, Sept. 20 (Xinhua) -- U.S. crude oil production averaged 12.9 million barrels per day (b/d) during the week ending Sept. 15, unchanged from the previous week, the U.S. Energy Information Administration (EIA) said on Wednesday.

The figure was up by 800,000 b/d from this time last year, according to the EIA.