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    • 4. 发明授权
    • Well treatment
    • 治疗好
    • US07244693B2
    • 2007-07-17
    • US10432189
    • 2001-11-19
    • Hans Kristian KotlarOlav Martin SelleOddvar Arnfinn AuneLars KilaasAnne Dalager Dyrli
    • Hans Kristian KotlarOlav Martin SelleOddvar Arnfinn AuneLars KilaasAnne Dalager Dyrli
    • C09K8/536
    • C09K8/92C09K8/536Y10S507/902Y10S507/939
    • A method for the treatment of a hydrocarbon well comprising administering down the well polymeric particles impregnated with a well treatment chemical or precursor or generator thereof. The particles have a pore volume of at least 20%, and are prepared by a process which comprises preparing an aqueous dispersion of polymer particles containing from 0.05 to 10 times by volume, based on the polymer, of one or more specific first material(s) adding a partly water-soluble second material having a water-solubility of at least ten times that of first material(s) under conditions which prevent or hinder transport of first material(s) through the aqueous phase, whereby second material diffuses into the polymer particles swelled with first material(s) and increases the volume of said particles by from 20 to 1000 times, based on the polymer.
    • 一种用于处理烃井的方法,其包括将浸渍有良好处理的化学品或其前体或发生器的阱聚合物颗粒施用。 颗粒具有至少20%的孔体积,并且通过以下方法制备,所述方法包括制备聚合物颗粒的水分散体,所述聚合物颗粒含有基于所述聚合物的0.05至10倍体积的一种或多种特定的第一材料 )在防止或阻碍第一材料通过水相的条件下,将水溶性为第一材料的至少十倍的部分水溶性第二材料添加到第二材料中,由此第二材料扩散到 聚合物颗粒用第一种材料溶胀,并且基于聚合物将所述颗粒的体积增加20至1000倍。