Kazakhstan’s authorities are looking at whether the Karachaganak oil and gas venture, which includes Royal Dutch Shell Plc and Eni SpA, has unpaid taxes. “The tax authorities have tax issues — they didn’t pay,” President Nursultan Nazarbayev said in an interview on Tuesday in Astana, without elaborating. He also confirmed the government is now seeking to change how revenue from the field is shared with the companies, which is allowed by the terms of the contract. The Karachaganak project, the third-largest in the country, has provoked a number of disputes between the government and international companies. In 2012, the partners in the venture sold part of their stakes to state-run KazMunaiGaz National Co. JSC, settling a more than two-year dispute with the government over how they paid tax and recovered costs. Within the past year, Kazakh authorities have sought a greater share of the profits from the project and […]