2011, Volume 13, Issue 5
Strategic Study of CAE >> 2011, Volume 13, Issue 5
Key technology research and field test of offshore viscous polymer flooding
1. State Key Laboratory of Offshore Oil Exploitation, Beijing 100027, China;
2. China National Offshore Oil Corporation, Research Institute, Beijing 100027, China
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Abstract
Although there is a high development potential, the EOR(enhanced oil recovery) techniques of onshore oilfield are not suitable for offshore. Based on the 10 years research and analysis of EOR techniques of offshore thickened oil, a series of resolutions and techniques on driving fluid technology, platform polymer injection distribution technology, production containing polymer treatment technology and effectiveness evaluation of early polymer injection for offshore heavy oil were developed, the system of offshore polymer flooding were established. These techniques had been carried out in Suizhong36-1,Lvda10-1 and Jinzhou with large scale field experiments. The water was controlled at a low level and the oil extraction was enhanced. These works proved the feasibility of the techniques and the value of economy.
Keywords
offshore ; heavy oil ; polymer flooding ; displacing fluid ; polymer solution preparation ; produced fluid ; oil displacement efficiency
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