Battered oil and gas drilling companies are finally seeing piecemeal signs that the prices they charge for offshore rigs are bottoming out with Brent crude selling for more than $80 a barrel and some are forecasting a full turn in the market by 2020.  At the depths of a global slide that took oil below $27 a barrel in early 2016, daily rates for leasing the most sophisticated floating drilling rigs had fallen to just $180,000 from $500,000 a day, as producer returns from North Sea, Latin America and Canadian drilling evaporated. Transocean Ltd, a top supplier of drilling vessels, said last month […]