German Oil and Gas Company Faces Criticism For Slow Exit from Russia German oil and gas producer Wintershall Dea withdraws from its Russian joint venture in the Arctic. The company faces criticism for its late departure and accusations that gas condensate it produced may have been used by Russian fighter jets over Ukraine. Wintershall Dea also plays a significant role in oil and gas in Norway, including Snøhvit and the upcoming Irpa project in the Arctic.