Now that the year is coming to an end, it's time to reflect on what transpired. One major trend analyst Taylor Muckerman notes was the "re-shoring" of major oil producers' activities. This charge was led by such notable names as Apache Corp. (APA -1.99%), Marathon Oil (MRO -1.46%), and Occidental Petroleum (OXY -2.22%). There are several reasons why, but one of the biggest is the likelihood of tremendous oil and natural gas reserves still residing underneath our soil. For more, tune in below.