抗高温抗盐降滤失剂ZYJ-1的合成及性能评价

Synthesis and Property of ZYJ - 1 Filtrate Reducer for Drilling Fluid

采用2-丙烯酰胺基-2-甲基丙磺酸和乙烯基单体共聚合成了一种抗高温抗盐降滤失剂zYJ-1,考察了ZYJ-1在淡水钻井液、盐水钻井液、饱和盐水钻井液、人工海水钻井液及含钙盐水钻井液中的降滤失性能。结果表明,ZYJ-1具有良好的降滤失作用,抗高温抗盐,尤其是抗钙、镁离子污染能力强。

ZYJ - 1 filtrate reducer was synthesized by copolymerization of 2 - acylamido - 2 - methyl propanesul-fonic acid and vinyl monomer. The drilling fluid performances of ZYJ - 1 was evaluated in laboratory. The experimental results showed that ZYJ - 1 had very good capacity of depressing filter loss, heat resistance, and salt toler-