Russia could boost its crude oil exports to China, extending existing agreements, Deputy Prime Minister Alexander Novak said today, noting specifically a deal for the export of Russian crude via Kazakhstan that could be extended by 10 years until 2033. Reuters recalls that Russia currently exports some 1.4 million barrels of Russian crude by sea and another 900,000 barrels daily by pipeline, via Kazakhstan. This is not the first time that the two have discussed boosting the pipeline flows. Indeed, earlier this year, Russia suggested it could increase…