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A field of oil wells.

Oil Wells

A field of oil wells.

Oil wells and tanks for mining petroleum.

Oil Wells and Tanks

Oil wells and tanks for mining petroleum.

An oil well is a general term for any boring through the Earth's surface designed to find and produce petroleum oil hydrocarbons. Usually some natural gas is produced along with the oil, and a well designed to produce mainly or only gas may be termed a gas well. If boring happens to penetrate the higher portion the gas rushes forth with greater or less violence and pesisstence.

Oil Wells

An oil well is a general term for any boring through the Earth's surface designed to find and produce…