Reuters NEW YORK, June 15 (Reuters Breakingviews) – The approach of peak oil demand is bad for oil producers, but it’s worse for companies that help dig and service new wells. A $5 billion merger between Patterson-UTI Energy (PTEN.O) and NexTier Oilfield Solutions (NEX.N), two small oil field services firms, offers a way out. Touted as a merger of equals, … Read more