Going deep with Quaise

As we drill into the earth from the surface, we travel through layers of sedimentary cover and eventually hit basement rock. Basement rock is ancient and hard. Usually, it’s granite.Drilling through basement rock is harder than drilling through the sediment. In part, this is because granite itself is harder than sedimentary rocks. Mechanical drill bits are more likely to break against very hard rocks. But also, drilling deep as such is also challenging. Today’s mechanical drills, optimized for o...