Calima Energy Ltd, formerly Azonto Petroleum Limited, is an Australia-based oil and gas company. The Company is focused on finding and developing new projects. The Company is engaged in investing in oil and gas exploration and production projects internationally and specifically in West Africa. The Company operates in oil and gas exploration activities segment. Its Montney Project is comprised of approximately 60,000 gross acres prospective for the Montney Formation in British Columbia, North America. It hold over 72,000 acres of drilling rights prospective for the Montney Formation in British Columbia. Rialto Energy (Ghana) Pty Ltd is the subsidiary of the Company.