Circle Star Energy Corp., Seattle, Wash., (OTCBB: CRCL) has acquired interests in certain oil and gas producing assets in Texas.

The company has acquired mineral interests, overriding royalty interests and non-operated working interests in a set of producing and non-producing oil and gas assets throughout Texas comprised of over 30,000 gross acres. The acquisition includes production from the Eagle Ford Shale, Austin Chalk, Wolfcamp, Woodbine and Deep Bossier formations.

Encana Oil & Gas (USA) Inc., Chesapeake Energy, Newfield Exploration Company, CML Exploration LLC and Petromax Operating are operators of the respective assets.

Revenue from the properties averaged more than $125,000 per month from January to May 2011.