Shell, Blackstone eye $10 billion bid for BHP U.S. shale assets: Sky News

Royal Dutch Shell Plc (RDSa.L) and U.S. private equity firm Blackstone Group LP (BX.N) are working on a joint $10 billion bid for BHP Billiton Plc’s (BLT.L) U.S. shale assets, Sky News said on Thursday.