(Reuters) - Exxon Mobil Corp
Exxon has been seeking permission from the United States to drill with the Russian state-owned Rosneft in certain banned areas and applied in recent months for a waiver to proceed in the Black Sea, the newspaper reported, citing people familiar with the matter. (http://on.wsj.com/2osAxzB)
Exxon and Rosneft in 2012 unveiled an offshore exploration partnership that could invest upward of $500 billion in developing Russia's vast energy reserves in the Arctic and Black Sea.
Relations between Russia and the U.S. President Donald Trump have dimmed in recent times. There has also been pressure from Trump's fellow Republicans in Congress and European allies anxious over any sign that the president might prematurely ease sanctions imposed on Russia.
Rex Tillerson, Exxon's former chief executive, was named as U.S. Secretary of State in February, despite concerns about his ties to Russia.
(Reporting by Arathy S Nair in Bengaluru; Editing by Sriraj Kalluvila)
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