West Texas Intermediate crude oil was up by 1.12% at $122.29 per barrel at the New York Mercantile Exchange. The global benchmark Brent crude gained 1.16% to $123.69 per barrel and natural gas futures were 0.42% lower at $8.57 per 1 million BTU.
Continental Resources (CLR) shares were more than 12% higher after saying it received a non-binding proposal from the Hamm family to acquire the remaining stake it does not already own in the company for $70 per share.
Southwestern Energy (SWN) shares were up more than 2% the company said it has agreed to supply responsibly sourced gas to the North American subsidiary of German energy company Uniper.
Vaalco Energy (EGY) shares were climbing past 2% after the company said it will be added to the broad-market Russell 3000 Index, effective after the market opens on June 27.