The logo of the Nord Stream 2 gas pipeline project is seen on a large diameter pipe at the Chelyabinsk Pipe Rolling Plant owned by ChelPipe Group in Chelyabinsk, Russia, February 26, 2020. REUTERS/Maxim Shemetov BERLIN, March 18 (Reuters) – Requests for Russian natural gas flows through Nord Stream 1 into Germany fell to 56.8 million kilowatt hours per hour on March 18, data from the pipeline operator showed on Friday.