Seismic research vessels hired by Exxon Mobil to explore for oil off Guyana’s coast have not returned to the site of a December incident with Venezuela’s navy, but they may in the future, Guyana’s foreign minister said on Thursday. Guyana, with no history of oil production, has become the focus of intense interest since Exxon announced the discovery of over 5 billion barrels of oil and gas off its shores. That has reignited a century-old territorial dispute with neighboring Venezuela. OPEC-member Venezuela’s crude output is near its lowest levels in 70 years amid an economic crisis. In a speech at a trade union forum in the capital Georgetown, Foreign Minister Carl Greenidge said the Dec. 22 incident when […]