Chevron, an integrated energy company, completed the acquisition of 90% stake in Petroleum Exploration License 90 from Trago Energy, a Namibian affiliate of Sintana Energy, a Canada-based oil and gas exploration company. Financial terms were not disclosed. “We are very happy to partner with Chevron in the Orange Basin. This transaction in our emerging, globally significant deepwater province brings partnership with an aligned, highly experienced and committed deep water drilling operator," Knowledge Katti, Trago Chairman and CEO.