The biggest land drilling rig is the Permian Basin Rig. It is located in Texas and is operated by ExxonMobil. The Permian Basin Rig has a total length of 2,000 feet (610 meters) and a width of 1,500 feet (457 meters). It can drill up to 40,000 feet (12,192 meters) deep and can handle up to 4 million pounds (1.8 million kilograms) of drill pipe.