INTERNATIONAL PATENT: CHINA NATIONAL PETROLEUM CORPORATION, 中国石油天然气集团有限公司, CHINA NATIONAL LOGGING CORPORATION, 中国石油集团测井有限公司 FILES APPLICATION FOR "METHOD AND APPARATUS FOR DETERMINING GAS CONTENT OF DEEP COALBED METHANE RESERVOIR AND READABLE STORAGE MEDIUM"

GENEVA, May 5 -- CHINA NATIONAL PETROLEUM CORPORATION (9 Dongzhimen North StreetDongcheng District, Beijing 100007), 中国石油天然气集团有限公司 (中国北京市东城区东直门北大街9号), CHINA NATIONAL LOGGING CORPORATION (No. 50, Zhangba 5th Road, Jinye 2nd Road, High-Tech Development DistrictXi'an, Shaanxi 710077), 中国石油集团测井有限公司 (中国陕西省西安市高新技术开发区锦业二路丈八É...