https://www.slb.com/zh-cn/products-and-services/innovating-in-oil-and-gas/well-construction/drilling-fluids/drilling-fluid-additives/lost-circulation-material/m-i-seal-lost-circulation-material
M-I SEAL Lost-Circulation Material | SLB
M-I SEAL lost-circulation material (LCM) is an all-purpose additive designed to reduce severe lost circulation as well as minor seepage losses.
lost circulation materialsealslb