QatarEnergy is offering 10 liquefied natural gas tankers for lease, two industry sources told Reuters, after the world's second-largest LNG exporter announced a production halt at its 77 million ton per annum (mtpa) facility and shipping rates soared, as the U.S.-Iran conflict heads into its second week.Qatari Energy Minister Saad al-Kaabi told the Financial Times it would take 'weeks to months' to return to normal deliveries…