Norway, Western Europe's top oil and gas producer, has intensified lobbying at the European Union to persuade the bloc to remove or tweak its moratorium on Arctic oil and gas drilling. Norway, which is not a member of the EU but is the biggest gas supplier to European markets, has sent nearly a dozen of its ministers to Brussels so far this year to discuss energy and trade and the state of the Arctic drilling. The Iran war and the biggest oil and gas supply disruption in history have added to Norway's arguments that Europe needs reliable supply…