Crawler rigs are specialized drilling machines designed for use in various terrains, particularly in oil and gas exploration. They are equipped with tracks, similar to those on a tank, which allow them to move easily over rough ground and unstable surfaces. This mobility makes them ideal for remote locations where traditional wheeled vehicles may struggle. These rigs can drill deep into the earth to access natural resources, using powerful rotary drilling techniques. Crawler rigs are often used in conjunction with other equipment, such as mud pumps and blowout preventers, to ensure safe and efficient drilling operations.