BP has completed the $10.5-billion acquisition of BHP's U.S. unconventional assets in a landmark deal that will significantly upgrade BP's U.S. onshore oil and gas portfolio and help drive long-term growth.

        The acquisition-which was announced in July and closed as scheduled on Oct. 31-adds oil and gas production of 190,000 boed and 4.6 Bboe of discovered resources in the liquids-rich regions of the Permian and Eagle Ford basins in Texas and in the Haynesville natural gas basin, in East Texas and Louisiana.