Fort Worth-based oil and gas producer Approach Resources said Thursday that it and a partner are selling a West Texas oil pipeline for $210 million.JP Energy Development L.P. is buying the 50-mile line, in Crockett and Reagan counties, which has a capacity of 100,000 barrels a day. JP Energy said the deal will extend its reach into the Southern Midland Basin and diversify its business. Approach will receive $108 million, and partner Wildcat Midstream Holdings will get $102 million. The sale is expected to close late in the third quarter or early in the fourth. Approach and JP Energy are also entering a revised agreement under which JP Energy will buy and transport Approach’s crude oil production in Crockett and Schleicher counties. Approach’s shares (ticker: AREX) closed up nearly 5 percent in active trading.