[3] In 2008, the company sold assets to Abraxas Petroleum Corporation for $131.6 million.

[9] In June 2015, the company sold its assets in the Arkoma Basin of Oklahoma for $270 million.

[10] In July 2015, the company sold its 76,300 net acres of Ark-La-Tex assets to Aethon Energy and RedBird Capital.

[12] [13] On October 18, 2016, the company announced the purchase of assets in West Texas for $1.6 billion from an affiliate of EnCap Investments and the sale of assets in the Williston Basin for $0.8 billion to Oasis Petroleum.

[14] In 2017, the company sold assets in the Eagle Ford Group for $800 million.