{{about, , the mnemonic OIL RIG, Redox
An oil rig is any kind of apparatus constructed for
oil drilling.
Kinds of oil rig include:
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Drilling rig, an apparatus for on-land oil drilling
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Drillship, a floating apparatus for offshore oil drilling
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Oil platform
An oil platform (or oil rig, offshore platform, oil production platform, and similar terms) is a large structure with facilities to extract and process petroleum and natural gas that lie in rock formations beneath the seabed. Many oil platfor ...
, an apparatus for offshore oil drilling
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Oil well
An oil well is a drillhole boring in Earth that is designed to bring petroleum oil hydrocarbons to the surface. Usually some natural gas is released as associated petroleum gas along with the oil. A well that is designed to produce only gas may ...
, a boring from which oil is extracted
Petroleum engineering