Encana Oil & Gas (USA) is a south of the border chip off the block of a Canadian energy giant. The company is an exploration and production subsidiary of natural gas giant Encana Corporation. Encana Oil & Gas (USA) explores for and produces hydrocarbons in its four key natural gas resource plays (about 90% of its total US natural gas production) located at Jonah and Piceance in the US Rockies (Wyoming and northwest Colorado) and the Fort Worth and East Texas/Haynesville basins. It also owns stakes in natural gas gathering and processing assets, mainly in Colorado, Texas, Utah, and Wyoming. Encana Oil & Gas (USA) has interests in 2.4 million net acres of land of which 1.9 million net acres is undeveloped.