Key PointsOccidental is buying a 10% interest in an exploration block offshore Trinidad and Tobago from ExxonMobil. It's next to Exxon's prolific Stabroek block offshore Guyana. The deal gives Occidental access to a potentially large-scale resource. 10 stocks we like better than Occidental Petroleum › Occidental Petroleum (NYSE: OXY) is acquiring a stake in a deepwater exploration block offshore Trinidad and Tobago from ExxonMobil (NYSE: XOM). T…