Exploration and production division
Oil refining and chemical branch
sales departments
Natural gas and pipeline department
China petroleum and natural gas exploration and development company engineering technology branch
Engineering construction branch equipment manufacturing branch
Oil and gas field enterprise Daqing Oilfield Co., Ltd.
Liaohe oilfield branch
Changqing oilfield branch
Tarim oilfield branch
Xinjiang oilfield branch
Southwest oil and gas field branch
Jilin oilfield branch
Dagang oilfield branch
Qinghai oilfield branch
North China oilfield branch
Tuha oilfield branch
Jidong oilfield branch
Yumen oilfield branch
Zhejiang oilfield branch
China petroleum coalbed methane co., ltd
South petroleum exploration and development co., ltd
Refining and chemical enterprises Daqing petrochemical branch
Jilin petrifaction branch
Fushun petrochemical branch
Liaoyang petrifaction branch
Lanzhou petrifaction branch
Dushanzi petrifaction branch
Urumqi petrochemical branch
Ningxia petrifaction branch
Dalian petrochemical company
Dalian west Pacific petrochemical co., ltd.
Jinzhou petrifaction branch
Jinxi petrifaction branch
Daqing refining and chemical branch
Harbin Petrochemical Company Guangxi Petrochemical Company
Sichuan petrochemical co., ltd
Guangdong Petrochemical Project Preparatory Team
Dagang petrifaction branch
North China petrochemical company
Hohhot petrifaction branch
Liaohe petrifaction branch
Changqing petrifaction branch
Karamay petrifaction branch
Qingyang petrifaction branch
Refining and chemical engineering construction projects department
Northeast chemical industry sales company
Northwest chemical industry sales company
North China chemical industry sales company
East China chemical industry sales company
South China chemical industry sales company
Southwest chemical industry sales company
China National Petroleum Fuel Oil Company Northeast Sales Company Northwest Sales Company Lubricant Branch: Limited Company Liaoning Sales Company Sichuan Sales Company Guangdong Sales Company Inner Mongolia Sales Company Beijing Sales Company Shanghai Sales Company Heilongjiang Sales Company Hebei Sales Company Xinjiang Sales Company Shandong Sales Company Jilin Sales Company Jiangsu Sales Company Gansu Sales Company Henan Sales Company Zhejiang Sales Company Chongqing Sales Company Hunan Sales Company. Sales Company Anhui Sales Company Guangxi Sales Company Fujian Sales Company Shanxi Sales Company Tianjin Sales Company Ningxia Sales Company Guizhou Sales Company Jiangxi Sales Company Tibet Sales Company Hainan Shipping Company Natural Gas and Pipeline Storage and Transportation Enterprise Beijing Oil and Gas Control Center Pipeline Construction Project Manager Department Pipeline Company West-East Gas Pipeline Company Beijing Natural Gas Pipeline Co., Ltd. Southwest Pipeline Company Preparatory Group Kunlun Gas Co., Ltd. Lun Energy Co., Ltd. Kunlun Natural Gas Utilization Co., Ltd. North China Natural Gas Sales Company Jingtang LNG Co., Ltd. Dalian LNG Co., Ltd. Jiangsu LNG Co., Ltd.
Overseas enterprises: China Petroleum Kazakhstan Company, China Petroleum Iraq Company, China Petroleum Iran Company, China Petroleum Latin America Company, China Petroleum Nile Company, China Petroleum Amu Darya Natural Gas Company, China Petroleum Central Asia Natural Gas Pipeline Company, China Petroleum Sino-Russian Cooperation Project Department, China United Petroleum Co., Ltd., PetroChina Southeast Asia Pipeline Co., Ltd., Houston Technology Research Center, engineering technology service enterprise and western drilling engineering company. City Drilling Engineering Company Bohai Drilling Engineering Company Qing Chuan Drilling Engineering Company Oriental Geophysical Company Logging Co., Ltd. Ocean Engineering Co., Ltd. Engineering Construction Enterprise Pipeline Bureau Engineering Construction Company Engineering Design Co., Ltd. Global Engineering Company Kunlun Engineering Company Northeast Refining and Chemical Engineering Co., Ltd. Equipment Manufacturing Enterprise Technology Development Company Baoji Petroleum Machinery Co., Ltd. Baoji Petroleum Steel Pipe Factory Jichai Electric Power Plant Bohai Petroleum Equipment Manufacturing Co., Ltd.
Scientific research and institutions: Exploration and Development Research Institute Consulting Center Planning General Institute Petrochemical Research Institute Economic Technology Research Institute Drilling Engineering Technology Research Institute Safety and Environmental Protection Technology Research Institute Petroleum Pipeline Engineering Technology Research Institute Beijing Petroleum Management Cadre College Petroleum Newspaper Petroleum Industry Press Audit Service Center Materials Company Information Technology Service Center Guangzhou Petroleum Training Center Other Units Transportation Company PetroChina Finance Co., Ltd. Kunlun Bank Huayou Group Company Huayou Beijing Service Company PetroChina Asset Management Co., Ltd. Kunlun Financial Leasing Co., Ltd.