
The Daqing Oil Field, formerly romanized as "Taching", is the largest oil field in the People's Republic of China, located between the Songhua river and Nen River in Heilongjiang province. When the Chinese government began to use to pinyin for romanization, the field's name became known as Daqing.

Henan oil field is the second largest oil field in Henan Province, People's Republic of China. It is located in Nanyang region. The field was discovered in the 1970s. It has accumulated proven oil reserves of 350 million tons. It is operated by Sinopec Henan Oilfield Company, a subsidiary of Sinopec.

The Junggar or Dzungaria oil fields are the oil and gas fields of northern Xinjiang Autonomous Region, China. They include the Karamay oil field in Karamay that started production in 1955.

The Liaohe oil field is an oil field located in Liaoning Province (Bohai Basin), China. It was discovered in 1958 and developed by China National Petroleum Corporation. It began production in 1970 and produces oil. The total proven reserves of the Liaohe oil field are around 6.87 billion barrels (968×106 tonnes), and production is centered on 312,000 barrels per day (49,600 m3/d). Production peaked in 1995

The Tarim oil fields are oil fields found in the Tarim Basin or the Taklamakan Desert in Xinjiang Uyghur Autonomous Region in China. The development of these oil fields was begun in the 1980s, and, with the completion of the transportation infrastructure, such as Tarim Desert Highway, their total oil output reached 5.000 million tons in 2002, and was the sixth largest oil field of China at that time. PetroChina's Tarim oil fields operations are headquartered in Korla.

The Turpan-Hami oil fields or the Tuha oil fields are the oil fields found in Turpan and Hami of Xinjiang Uyghur Autonomous Region, China. They are one of Xinjiang's three largest oil fields, the other two being Jungar and Tarim.

Wushi Oil Field is an oil and gas field located in the South China Sea Exclusive Economic Zone, 30 miles from Zhanjiang, off the southern coast of Guangdong, China.