PAA无固相冲洗液在水敏岩层钻进中的应用

摘要

In the paper the author analyses mechanism of deep drill-hole wall protection with PAA solid-free flushing fluid and introduces use and exertion of strong wall-protection performance of the fluid and points out the influence of acidic water and iron ion hydrid-bearing water on compounding of the fluid.%分析了PAA无固相冲洗液对坍塌层胶结护壁的作用机理,介绍了该冲洗液在吉林镍业公司富家矿千米钻使用过程中,酸性和含水合铁离子水质对PAA冲洗液配制及使用的影响及应对措施.同时,介绍了PAA无固相冲洗液强防塌性能的发挥及使用.