U.S. energy firms this week kept the number of oil and natural gas rigs operating unchanged, energy services firm Baker ...

The total number of active drilling rigs for oil and gas in the United States rose this week, according to new data that Baker Hughes published on Friday, after a 4-rig increase in the week prior.

U.S. energy firms this week added oil and natural gas rigs for a fourth week in a row to the highest level since June, energy services firm Baker Hughes said in its closely followed report on Friday.