The Lone Star State is a driving force in the energy business, so it’s not surprising that four of the 10 largest Texas deals in 2013 were energy transactions. The following deals, involving at least one Texas-based company, were announced in 2013. Sources include Texas Lawyer, The AmLaw Daily, Thomson Reuters and corporate press releases.

DEVON ENERGY CORP. acquisition of EAGLE FORD ASSETS FROM GEOSOUTHERN ENERGY

Description: Devon Energy Corp., based in Oklahoma City, acquired Eagle Ford oil play assets from privately held GeoSouthern Energy, based in The Woodlands, for $6 billion in cash. Closed in February 2014.