Devon Energy expects to produce a lot of oil and cash next year.Devon Energy (DVN 1.73%) is having a strong year. The oil company's legacy operations are firing on all cylinders, which was evident in its recent third-quarter earnings report. However, as good as things have been, the oil company expects them to get even better in the coming quarters. Fueling that view is its recently closed acquisition of Grayson Mill Energy. Here's a look at Devon's latest quarter and what it sees ahead.Drilling down into D ...