CGX Energy Inc. is an oil and gas exploration company. The Company is engaged in exploring for hydrocarbons in Guyana, South America. The Company operates through petroleum and natural gas exploration in Guyana segment. The Company holds an interest in approximately three Petroleum Agreements (known as the Corentyne, Berbice and Demerara Blocks) covering over 3.3 million gross acres (approximately 3 million net acres) offshore and onshore Guyana. The Company conducts its exploration activities in Guyana through its subsidiaries. The Company's offshore concessions include Corentyne and Demerara. Its onshore concessions include Berbice. The Company's subsidiaries include CGX Resources Inc. (CGX Resources), ON Energy Inc. (ON Energy), GCIE Holdings Limited, Grand Canal Industrial Estates Inc. (Grand Canal) and CGX Energy Management Corp.