Total is not looking at investing in the US shale oil industry. : STAVANGER, Norway, Aug 27 (Reuters) - French energy group Total is not looking at investing in the U.S. shale oil industry, the company's chief executive said on Monday. Patrick Pouyanne made the comment when asked whether peer BP's $10.5 billion acquisition of U.S. shale assets from BHP Billiton had made the sector more attractive. "It's first quite expensive, second we don't have the human resources.