The pre-salt formation off the coast of Brazil has many speculators wondering whether there's a mirror-image formation on the West African side of the Atlantic, and several companies are taking a deeper look in hopes of finding massive quantities of oil opposite Brazil's Santos Basin. So far, the results of the exploration program haven't been as successful. BP's (NYSE:BP) exploration program off the coast of Namibia was a dud, but companies looking further north have had more success.

Since this region is still very much in the exploration phase, investing here should be considered a rather high-risk play, but there are some other ways to invest in the region if you believe in its potential. Tune in to the following video, where fool.com contributor Tyler Crowe looks at whether the mirror theory has legs and how you can play this trend.