Aramco sold 53.8 percent of its crude to Asian customers, according to its 2013 annual review. Saudi Arabia , the largest oil exporter, is seeking to build crude sales and expand in Asia as OPEC producers fight for market share in the U.S. Ibrahim al-Buainain, formerly in charge of Saudi Arabian Oil Co.’s global energy investments, was appointed head of Saudi Aramco’s Asian operations, based in Beijing, according to three people who asked not to be identified because they’re not authorized to speak to the media. The company, known as Saudi Aramco, didn’t respond immediately to an e-mail seeking comment about the appointment. Aramco Asia will become a holding company and run all of Aramco’s ventures in the region, the people said. Global oil prices slid into a bear market last month on speculation that the biggest producers in the Organization of Petroleum Exporting […]