In the weeks after Russia's invasion of Ukraine on Feb. 24, Claudio Descalzi, CEO of Italian energy major Eni, embarked on a whirlwind of trips to gas suppliers in Africa.

The visits included meetings with officials in Algeria in February plus talks in Angola, Egypt and Republic of Congo in March, with Descalzi often accompanied by senior officials from Rome, according to company and government releases.

State-controlled Eni and Italy were able to leverage existing supply relationships with those nations to secure extra gas to replace a large part of the volumes received from top supplier Russia.