Rubellite Energy Inc., an energy company, engages in the exploration, development, and production of heavy crude oil from the Clearwater Formation in Eastern Alberta. The company operates in the Figure Lake area located in southwest of Lac La Biche, Alberta; the Marten Hills area is located in the northeast of Slave Lake; and the Ukalta area is located in the northeast of Edmonton, Alberta. It also operates various parcels of lands in the Peavine, Dawson, Cadotte, and Cranberry Lake areas. The company was incorporated in 2021 and is headquartered in Calgary, Canada. Rubellite Energy Inc. operates as a subsidiary of Perpetual Energy Inc.