In the three decades since BG sprung out of the U.K.’s struggling state-run gas firm, it has become an international energy company with assets including highly prized oil fields in Brazil, huge gas resources off Tanzania and a giant facility in Australia to liquefy natural gas. Its LNG business became a pioneer in trading the fuel around the world. Investors were also attracted by BG’s promises of growth underpinned by exploration success and an entrepreneurial corporate culture that allowed it to move quickly into new areas, where bigger companies were slower to act. The quality of BG’s assets, and more recently its weakening share price, had long made it a prime candidate for takeover, bankers and analysts said. Shell seized the opportunity last April after oil prices fell some 50%. Friday is BG’s last trading day on the London Stock Exchange. “BG was a small and very successful business,” […]