Houston lawyers are working on each side of a $6 billion Eagle Ford asset acquisition announced on Nov. 20.

Devon Energy Corp. announced it reached a definitive agreement to acquire the Eagle Ford oil play assets from the privately held GeoSouthern Energy, which is based in The Woodlands. Simpson Thacher & Bartlett represents GeoSouthern, while Skadden, Arps, Slate, Meagher & Flom represents Oklahoma City-based Devon.