AMOCO <AN> MAY BUY DOME <DMP>, REPORT SAYS Amoco Corp is apparently the successful bidder for debt-laden Dome Petroleum Ltd, according to a published report. The Toronto Globe and Mail, quoting sources close to the negotiations, today said Dome broke off talks last night with TransCanada PipeLines Ltd, which last week announced a 4.3 billion Canadian dlr offer for all of Dome's assets. No financial details about the Amoco offer were available and a Dome spokesman would neither confirm nor deny that Amoco had emerged the winner, the newspaper said. However, the Dome spokesman indicated that the sale of Dome could be finalized and announced this weekend, the Globe and Mail said. Representatives of Amoco were not immediately available for comment. Last Sunday, when TransCanada announced its offer, Dome said it was also in talks with two other companies, but refused to identify them. Since then, market speculation has centered on Amoco and Exxon Corp's <XON> 70 pct-owned Imperial Oil Ltd subsidiary in Canada. British Petroleum PLC <BP> and Royal Dutch/Shell Group <RD> have also been mentioned as possible suitors for Dome. In the past two days, Dome management has been pressured by the federal government to select the offer from TransCanada, the only Canadian company in the bidding. Prime Minister Brian Mulroney's government appears to want to avoid a Dome sale to a foreign company since the government gave Dome hundreds of millions of dollars in tax breaks to encourage oil and gas exploration in the Arctic, analysts and officials have said. A purchase by TransCanada would be least likely to run afoul of Canadian antitrust laws, however, TransCanada is asking for tax concessions from a federal government that is trying to hold its deficit below 30 billion Canadian dlrs, analysts have said. A takeover by Amoco or Imperial would also give a foreign oil company a dominant position in Canada's oil industry. Imperial Oil is already Canada's largest energy company, with 1986 revenues of 7.1 billion Canadian dlrs. Chicago-based Amoco had 1986 revenues of 20.23 billion U.S. dlrs. Its Amoco Canada Petroleum subsidiary is 100 pct owned by Amoco Corp.