• Cross Timbers Oil Co., Fort Worth, plans to acquire primarily gas-producing properties in Louisiana and East Texas from Herd Producing Co. Inc., Tyler, Texas, for $115 million. The properties are in Freestone, Limestone and Robertson counties, Texas, and Claiborne and Union parishes, La. • Energy Corp. of America has purchased properties in Kentucky and West Virginia from Penn Virginia Corp., Radnor, Pa., for $59.4 million. The properties were estimated to contain 70 billion cu. ft. equivalent of proved reserves and currently produce 7 million cu. ft. of gas per day. • Michael Petroleum Corp., Houston, has acquired interests in 72 producing wells and 22,500 acres in the Lobo Wilcox Trend, Webb County, Texas, from Oklahoma City-based OGE Energy Corp. subsidiary Enogex Exploration , for $7.5 million. Sixty-one of the 72 wells are operated by MPC. Total proved reserves for the acquisition are estimated at 16.6 billion cu. ft. equivalent, of which 36% are proved developed reserves.