Daqing Oil Field
Summary Information
- Operator: CNPC
- Country: China
- Location: Songliao basin, located in the northern part of China
- Production start: 1959
- Partners:
- Type: Oil, (Daqing Crude Oil)
- Estimated Reserves:
- Production Volume:
Description
- China's largest oilfield
Geology
- The source bed in the Daqing Oilfield is mainly Mesozoic Cretaceous sandstone of continental facies, 900 to 1,200 meters underground.
History
- 1959 - The commercial discovery from Songji No.3 well marks the discovery of Daqing Oilfield
- 1976 - Production peaked at 50 million tons per year
Other Information
- From year of 1976 to 2002, an outstanding 50 million tons stable production of crude oil continuous for 27 years has been produced
- The crude oil is paraffin based, characterized by a high wax content (20%-30%), high freezing point (25 ℃-30 ℃), high viscosity (ground viscosity of 35), and a low sulphur content (less than 0.1%).
- At present, the oil recovery efficiency of the major fields has surpassed 50%
Links
page revision: 5, last edited: 27 Apr 2012 14:04
