HOUSTON, Jan 5 (Reuters) - The Fangtooth oil discovery in Guyana's waters is big enough to potentially require a platform for itself, which would be the seventh in the country, Hess Corp (HES.N) Chief Executive Office John Hess said in a conference on Thursday. The six units will lead to an estimated output of 1.2 million barrels of oil and gas per day by 2027, Hess said. "Fangtooth itself could potentially be the seventh boat," Hess said at a Goldman Sachs energy conference. Hess' operations in Guyana and the Bakken basin in the United States, will take up 80% of the $3.7 billion the company plans to invest this year, the CEO said. The United States can lift total oil production to 13 million to 13.5 million bpd before output plateaus, Hess said.

---