Robuta

https://www.slb.com/products-and-services/innovating-in-oil-and-gas/well-construction/drilling-fluids/drilling-fluid-additives/shale-inhibitors/asphasol-supreme-shale-inhibitor ASPHASOL SUPREME Sulfonated-Asphalt Shale Inhibitor | SLB ASPHASOL SUPREME sulfonated-asphalt shale inhibitor is used to aid in stabilizing shale sections, controlling solids dispersion, and improving filtercake... sulfonated asphaltshale inhibitorasphasolsupremeslb