Jupiter Energy Limited engages in the exploration, appraisal, development, and production of oil and gas properties in Kazakhstan. It owns a 100% interest in Block 31, an exploration permit covering an area of 123 square kilometers located in the Mangistau Basin, West Kazakhstan. The company was formerly known as Westcoast Mining Ltd. and changed its name to Jupiter Energy Limited in June 2005. Jupiter Energy Limited was incorporated in 1998 and is based in Aktau, Kazakhstan.