This article introduced the performance of this kind of flushing fluid,and application of polycrylamide thick liquid thick dispersion system mud,suppression mud,froth mud in coal formation stratum.

• 介绍了冲洗液的性能,分析了聚丙烯酰胺浆粗分散体系泥浆、抑制性泥浆、泡沫泥浆等不同类型的冲洗液在煤系地层中的应用。