UK oil giant, BP has entered into an agreement to acquire onshore shale assets of BHP in $10.5 billion. The deal will add 190,000 b/d of oil equivalent to BP's production of 315, 000 boe/d from seven oil and gas basins. Considering the expected boost in cash flow, BP has augmented its upstream free cash flow target to $14 billion-$15 billion in 2021.