World’s Biggest New Oil Find Turns Guyana Upside Down

GEORGETOWN, Guyana—To mark the move of the world’s greatest oil discovery in several years, President David Granger declared a new vacation, Nationwide Petroleum Working day, on Dec. 20.

Backed by soothing Caribbean tunes in a video clip handle to his countrymen, Mr. Granger said oil riches would shortly transform this poor South American nation, and he would place the proceeds to get the job done for all by means of a sovereign-wealth fund that prioritized investment in training and infrastructure.