This paper summarizes the invention backg round and the development of associating interpolymer(AI) as a drag reducer in oil fluids. It gives a brief account of the mechanism of shear stability of AI and discusses the importance of AI 's solubility in oil for the efficiency of drag reduction and for the stability in shear flows.
Experimental Study on Selection of Drag Reduction Polymer Materials at High Reynolds Number
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National Key Laboratory of Science and Technology on Hydrodynamics, TAIHU Laboratory of Deepsea Technological Science, China Ship Scientific Research Center (CSSRC)