The Chancellor said it was a step away from energy dependence on Moscow after the German government took control of three oil refineries.
He said at the news conference that they were making themselves independent of Russia.
Germany is preparing for Russia to cut oil deliveries. According to the report, another refiner has warned that it is bracing for such reprisals.
According to a statement from the economy ministry, the German government has taken over the Trusteeship stakes of the refinery PCK.
The decision is accompanied by a comprehensive package for the future, which will bring a transformation boost to the region and support the refinery, to ensure the supply of oil via alternative delivery routes.
Just months before the European Union is slated to halt seaborne imports of Russian oil in December as part of a new sanctions package, Germany has seized the refinery.
The profits for the first half of the year were $7.2 billion, thanks to the high prices of crude and the sanctions.