These are challenging times in the oil patch. Crude oil prices continue to sag. E&Ps are trimming their capex, share buybacks, and staff. Some worry that production may be peaking. And yet, upstream M&A activity continues unabated as producers seek to gain scale, expand into new plays — or double down on old ones — and replenish their inventory of top-tier well sites. In today’s RBN blog, we discuss four of the biggest deals announced in the past few weeks.