When oil prices crashed in mid-2014, companies were forced to become more efficient in order to survive. It became clear that location meant more than ever and companies could no longer justify operating in regions such as the Bakken and the Eagle Ford, where break-even prices were higher than they were in the Permian. Thus in order to stay in business, companies flocked to the Permian. This week, we look at how the increased appeal of the Permian Basin has affected M&A activity in the oil and gas sector.