G3 Exploration Ltd, formerly Green Dragon Gas Ltd., is a China-based investment holding company. The Company, through its subsidiaries, is engaged in the exploration, development and production of coal bed methane in the People's Republic of China (PRC). The coal bed methane operations in the PRC are conducted through production sharing arrangements with China United Coal Bed Methane Corporation Ltd. and PetroChina Company Limited. The Company provides financing and management services to its subsidiaries. It operates through segments, including sale of coal bed methane (CBM) gas, retaining gas stations and corporate.