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Recently, the "Multielement Copolymer for Improving the Flow Performance of Highly Pourable Heavy Oil" declared by the Heavy Oil Institute of Shengli Oilfield Petroleum Engineering Technology Research Institute won the 22nd China Patent Silver Award
.
In recent years, the research institute has focused on laying out a patent pool related to heavy oil chemical viscosity reduction and cold production, and has formed two major development technology systems, chemical viscosity reduction composite flooding and chemical viscosity reduction composite huff and puff, covering more than 30 million tons of geological reserves.
Inefficient water drive heavy oil, sensitive heavy oil, edge-bottom water heavy oil and other reservoirs have formed 9 chemical viscosity-reducing mining demonstration areas, realizing industrialized production and application promotion, and accumulative oil increase of 239,000 tons is expected to be promoted and applied to cover geology With reserves of more than 1.
5 billion tons, the economic and social benefits are significant
.
(Ren Houyi and Zheng Wangang)