Through mechanism research and laboratory testing of XL flushing fluid and YL killing fluid,the results show that the two po working fluid have many advantages,such as low forma...

• 机理研究与室内实验研究表明，XL洗井液与YL压井液均具有对地层伤害小、表面张力低、滤失小、有适当的密度变化范围和低毒、污染小等优点。