ConocoPhillips submitted on Monday a plan to develop an oil discovery in the Norwegian North Sea for 10.5 billion Norwegian crowns ($1.10 billion), the U.S. petroleum company said.Known as Eldfisk North, the development is part of the wider Ekofisk area, where hydrocarbons have been pumped for more than 50 years, and the operator said the new reserves are expected to come on stream in 2024.The Eldfisk…