Saudi Arabia, the driver behind the OPEC/non-OPEC agreement to reduce oil production to eliminate a global glut, plans to reduce supplies to customers in January based on requests for shipments, according to a person familiar with the matter. The reductions by Saudi Arabian Oil Co. , known as Aramco, have already been set for tankers taking on crude in the kingdom next month, said the person, who asked not to be identified because the information is private. The cuts won’t be uniform among customers and will also be based on shipping limitations, the person said. The Organization of Petroleum Exporting Countries surprised markets at the end of November with an agreement to limit its collective output by 1.2 million barrels a day and then enlisting non-member nations last week to join the effort. Saudi Energy Minister Khalid al-Falih indicated Saturday that the kingdom, OPEC’s largest producer, was willing to […]