Companies like Royal Dutch Shell and ExxonMobil are expected to lead the charge in record capital spending for the exploration and production segment of the energy sector during 2013. International offshore and North American land drilling could be key for these companies' oil and natural gas discoveries. While returns aren't guaranteed for them on this spending, there will most certainly be companies in other industries that will profit from this quest for reserve replacement. Motley Fool energy analysts Taylor Muckerman and Joel South turn their attentions to the energy services sector as the prime candidate. Which companies are their top choices? Tune in to find out.