For the first time in years, an oil production cut that OPEC members have promised is actually going through, and having its desired effect. In this clip from Industry Focus: Energy , Motley Fool analysts Sean O’Reilly and Taylor Muckerman talk about how the cartel’s move to ease back on crude output is affecting U.S. drillers and energy services companies so far, and some industry trends we’re probably going to see as a result.