Wentworth Resources Limited, an independent oil and gas company, engages in the exploration, development, production, and transportation of natural gas and other hydrocarbons. Its principal assets include the Rovuma onshore block covering an area of approximately 2,500 square kilometers located in northern Mozambique; and the Mnazi Bay concession covering an area of approximately 756 square kilometers situated in south-eastern Tanzania. The company was formerly known as Artumas Group Inc. and changed its name to Wentworth Resources Limited in September 2010. Wentworth Resources Limited is based in Calgary, Canada.