Marathon Oil Corporation acquired Ensign Natural Resources, expanding its position in the Eagle Ford basin.

Marathon Oil Corporation is an independent exploration and production (E&P) company focused on the acquisition, exploration, development, and production of crude oil and natural gas. The company's operations are primarily concentrated in high-quality, resource-rich unconventional assets in the United States, with additional international operations in Equatorial Guinea.

Ensign Natural Resources is an independent oil and gas company focused on the acquisition, development, and production of crude oil, natural gas, and natural gas liquids. The company primarily operates in the Eagle Ford Shale region of South Texas, utilizing advanced drilling and completion techniques to maximize resource recovery.