Robert P. Johnson and C. Barry Gipson were recently promoted in Ashland Petroleum Company's marine services group, it was announced by Sam S. Watson, group vice president, supply and transportation.

Mr. Johnson has been named assistant chief engineer responsible for towboats and barges maintenance planning.

Mr. Gipson has been promoted to maintenance supervisor-barges, involving repairs to Ashland's barge fleet and working with the U.S. Coast Guard to assure proper inspection and certification.