Global miner BHP will consider swapping certain onshore oil and gas assets with competitors’ offshore assets, as part of its effort to exit U.S. shale formations, Steve Pastor, BHP’s president for petroleum operations, said on Wednesday.   BHP, facing calls from activist investor Elliott Advisors tomake changes to its business, had previously said it plans to sell its onshore U.S. shale assets. BHP said last week that the stake was on track with initial bids expected in the June quarter. “We’re also talking with some counterparties in very specific circumstances about the potential to do some asset swaps and pick up some high quality tier 1 acreage,” Pastor said, referring to the most […]