The world's biggest producer of oil is now China's PetroChina, not Exxon. PetroChina wasn't even around 13 years ago.
Shell is one of the world’s largest independent oil and gas companies in terms of market capitalisation, operating cash flow...
For more than 80 years, Southwestern Energy Company has thrived because of a deep commitment to providing the energy that...
PetroChina Co., Ltd.
No. 9 Dongzhimen North Street Dongcheng District
Beijing , BE 100007
SIC Code: 1311