Miner BHP taps oil, gas for growth after shale exit

(Reuters) - BHP Group touted bullish plans on Monday to expand in oil and gas after quitting a disastrous foray into U.S. shale, defying investors who want the world's biggest miner to cast off the business.The company's petroleum head said the business is set to deliver strong returns and cash flow through the 2020s and beyond, supported by high-potential projects in the Gulf of Mexico, Western Australia and Trinidad & Tobago.Petroleum, which accounted for about 16% of BHP's underlying..