Sintana Energy Inc., a crude oil and natural gas exploration company, engages in the acquisition, exploration, development, production, and sale of crude oil and natural gas resources in Colombia. Its principal assets are private participation interests of 30% unconventional and 100% conventional in the hydrocarbon resources of Valle Medio Magdalena 37 Block, which covers 43,158 gross acres located in the Middle Magdalena Basin. The company was incorporated in 1994 and is headquartered in Dallas, Texas.