Norway on Tuesday offered 57 new production licenses to 19 companies in the annual licensing round for acreage in the best-explored areas on the Norwegian continental shelf, as Western Europe’s biggest oil and gas producer looks to maintain the current high level of output for years to come. Norway holds an annual license round for exploration acreage in the best-known and mature areas on the Norwegian Continental Shelf—the so-called awards in predefined areas (APA) round. After more than 50 years of exploration activity, the APA rounds…