Petroleum Development Corp., Bridgeport, W.Va., (Nasdaq: PETD) plans to acquire substantially all the Exco Resources Inc., Dallas, (NYSE: XCO) assets in the Wattenberg Field in Colorado for $132.5 million. The assets cover approximately 30,108 net acres in the D-J Basin. Production is 7 million cubic feet of gas equivalent per day with proved reserves of 49 billion cubic feet equivalent (74% proved developed).