A tiny South American country until recently known mostly as the location of one of the worst mass suicides in modern history is about to acquire a whole new reputation, and this reputation has to do with its oil wealth. Guyana, sandwiched between Venezuela and Suriname, has in just a couple of years turned from an empty spot on the international oil map into one of the new hot spots thanks to a series of discoveries offshore, made by Exxon and Hess Corp. The Stabroek block is the place where the discoveries were made. The first ones came in 2015…