After approaching $80 per barrel for the first time since 2014, oil prices have taken a bit of a breather over the past week. But since bottoming out near $26 in early 2016, savvy investors have done very well by shopping in the oil patch. So has the best money in this cycle already been made or is there still opportunity? According to three Motley Fool contributors, there are still ample opportunities to profit in the oil and gas segment as some left-behind subsectors start to catch up to the higher price trend.