An oil rig is a large structure used to extract oil and natural gas from beneath the Earth's surface. These rigs can be found on land or offshore in oceans and seas. They are equipped with drilling equipment and machinery that help reach oil reservoirs deep underground. There are different types of oil rigs, including fixed platforms, floating rigs, and jack-up rigs. Each type is designed for specific conditions and depths. Oil rigs play a crucial role in the energy industry, providing the resources needed for fuel, heating, and various products.