The world's biggest producer of oil is now China's PetroChina, not Exxon. PetroChina wasn't even around 13 years ago.
Carrizo Oil & Gas, Inc. engages in the exploration, development and production of natural gas and oil. It drills in...
Global Oil & Gas AG engages in the development of onshore oil and gas fields. It operates through Crude Oil...
PetroChina Co., Ltd.
No. 9 Dongzhimen North Street Dongcheng District
Beijing , BE 100007
SIC Code: 1311