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In waterflood development, in order to prevent the high permeability layer and crack from absorbing too much water which could result in the middle and low permeability layer cannot reach the requirement of water flooding;people have taken many kinds of methods to improve the profile of water injection.On the basis of synthetically analyzing recently differ kinds of good water plugging agent at home and abroad,we have synthesized a new type grain profile control and water plugging agent Z-1 by using AM as major raw material,organic and inorganic crosslinking agent and other additives.The Z-1 has strong plugging capacify to cores and high plugging efficiency. Also,the Z-1 has low costs,good adaptability,which is suitable for inhomogeneous oil reservoir and affusion well.So Z-1 is a type of excellent water plugging agent. 相似文献
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