BP Plc on Monday announced new production units in the Gulf of Mexico, enhancing its standing as the largest producer there at a time when rival global oil majors are scrambling to expand vast U.S. onshore shale drilling. Britain-based BP will add two new subsea production units about two miles (3.2 km) south of its existing giant Thunder Horse platform, with two wells added in the near term and eight total wells planned, the company said on Monday. BP did not disclose the cost of the investment. The investment runs against current industry trends that emphasize spending on shale, which has propelled U.S. production to more than 12 million barrels a day (bpd), making […]