Exxon has sealed a deal with the Trinidad and Tobago government for deepwater exploration that could involve investments of $21.7 billion, according to the Caribbean nation’s energy minister. “What we are awarding today is larger than the surface area of the country,” Roodal Moonilat said as he broke the news of the new deal, saying the area that Exxon will explore was the size of seven normal offshore blocks. Said area lies northwest of the Stabroek block—the offshore Guyana block that Exxon has been developing since 2005,…