For much of the ongoing oil rally that's now lasted almost two years, oilfield services companies have lagged. That has been the case because the bulk of each new dollar earned from drilling has gone to producers. Thankfully, the balance appears to be now shifting, with E&P economics favoring oilfield services companies. You can tell that from the performance of the sector, both on a shareholder returns basis and financials. The sector's popular benchmark, the VanEck Vectors Oil Services ETF (NYSEARCA:OIH), is up 57.2% in the year-to-date,…
