Tethys Petroleum Ltd. engages in the exploration, development, and production of oil and natural gas resources. It operates through the Kazakhstan and Corporate segments. Its operations include Kyzyloi and Akkulka Gas Development, Doris Oil Field, Kul-Bas Block and Blocks: XIM & XIN. The company was founded by Elizabeth Anne Landles on August 12, 2003 and is headquartered in George Town, Cayman Islands.