Houston-based Evolution Petroleum said March 30 it agreed to acquire non-operated oil and gas assets in Barnett Shale from TG Barnett Resources, wholly owned subsidiary of Tokyo Gas America, for $23.25 million. The assets include 23,000 net acres held by production in nine counties in north Texas with current net production of 22 MMcfd of natural gas and 1,300 barrels of liquids per day. Blackbeard Operating is operator for most of the properties. The acreage has an average working interest of 17 percent. Closing is expected this month. Tokyo Gas is Japan’s largest public gas utility with 11 million customers in Tokyo area.