Stiff Foam Drilling Overview Stiff foam is a more viscous and stable form of foam that can be generated using surfactants alone. The reduction in horsepower requirements and low water consumption make the stiff foam a more economical option compared to other drilling fluids. In general, stiff foam drilling involves …

Foam drilling is a drilling technique that involves the use of a polymer foaming agent, water, and compressed air. In certain areas, it’s more effective than mud drilling, and it generally results in more efficient spoil disposal. Trenchless operators have access to a variety of drilling techniques. Foam Drilling Overview …

Mist drilling is used if only modest amounts of water inflow are experienced during air drilling. A small amount of water is injected into ...