Well Drilling Bits

What is a Well Drilling Bit? A drill bit is a device attached to the end of the drill string that breaks apart, cuts, or crushes the rock formations when drilling a wellbore, such as those drilled to extract water, gas, or oil. The main types of bits are Tricone/Roller Cone bits(crush hard rock), PDC bits (shear soft-to-medium rock quickly), Drag bits (plow through soft soils) and Hammer bits (...