Calima Energy Limited, a production-focused energy company, explores for and develops oil and natural gas assets in the Western Canadian Sedimentary Basin. The company develops oil and natural gas plays at Brooks and Thorsby in southern and central Alberta. It also owns an undeveloped Montney acreage position in northeastern British Columbia. The company was formerly known as Azonto Petroleum Limited. Calima Energy Limited was incorporated in 2005 and is headquartered in West Leederville, Australia.