Home Business Qatar petroleum invites three groups to bid for North Field LNG train... Business Qatar petroleum invites three groups to bid for North Field LNG train construction By Genpie - April 15, 2019 207 0 Facebook Twitter Google+ Pinterest WhatsApp Qatar Petroleum has invited three groups to bid for engineering procurement and construction packages on liquefied natural gas (LNG) mega-trains as it expands production at its North Field reservoir, the company said in a statement on Monday.