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Drilling Fluids for EPB Tunnelling

High-precision mixtures for Earth Pressure Balanced Tunnel Works

Tailored mud systems

Specialty Products for EPB Tunnel Works

Earth Pressure Balanced (EPB) tunnel works rely on the use of special conditioning fluids. Siam Minerals provides specific foaming agents and a variety of other drilling fluid additives for EPB tunnelling. During this tunnelling method the conditioning agents are directly injected to the front face through nozzles at the cutting wheel. They are then pressurized in the working chamber and transported through the screw conveyor. The main function of drilling fluids for EPB is to modify the overall properties of the excavated muck mass such as lubrication, plasticity, compressibility and permeability. Our well experienced mud engineers are able to support your team on site and help to choose the right conditioning fluids that will improve the working conditions of the TBM by limiting the cutting and mixing torques, reducing cutting tools’ wear, and increasing advance speed.

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Tunneling Drilling Fluids

For product specification and recommendations, please send us your request here.