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After more than two years of hard work, Sinopec Beijing Research Institute of Chemical Industry has made progress in the research and development of "three mining" oil displacement agents, and its four projects of pilot scale-up technology development of tertiary oil recovery temperature-resistant polymers, long-branched chain polyacrylamide pilot scale-up research, pilot scale-up of sulfonic acid-type temperature-resistant copolymer displacement agent and synthesis and evaluation of tertiary oil recovery temperature-resistant polymers have recently passed the review organized by the Ministry of Science and Technology of Sinopec, laying a solid foundation for the development of multi-brand temperature-resistant oil-resistant oil-displacement polymers and related oilfield chemicals
。 (Xu Dan)