Comparison of NM-1 with other filming agents such as CH1203B, CMJ-2, PVA and Nano SiO2 concerning mud rheology and API filter loss shows that muds treated with NM-1 have reduced water losses and mud viscosity.

• 对比研究了NM-1与成膜剂CH1203B、CMJ-2、PVA、纳米SiO2对钻井液流变性和API滤失性能的影响,得出NM-1具有较好的控制滤失和降黏作用;