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en.wikipedia.org/wiki/Oil_well

The well is created by drilling a hole 12 cm to 1 meter (5 in to 40 in) in diameter into the earth with a drilling rig that rotates a drill string with a bit attached. After the hole is drilled, sections of steel pipe (), slightly smaller in diameter than the borehole, are placed in the hole.Cement may be placed between the outside of the casing and the borehole known as the annulus.

science.howstuffworks.com/environmental/energy/oil-drilling.htm

In 2008 alone, the United States produced an estimated 4.9 million barrels of crude oil per day and imported 9.8 million barrels per day from other countries [source: U.S. Energy Information Administration].This oil gets refined into gasoline, kerosene, heating oil and other products.To keep up with our consumption, oil companies must constantly look for new sources of petroleum, as well as ...

en.wikipedia.org/wiki/Drilling_rig

A drilling rig is an integrated system that drills wells, such as oil or water wells, in the earth's subsurface.Drilling rigs can be massive structures housing equipment used to drill water wells, oil wells, or natural gas extraction wells, or they can be small enough to be moved manually by one person and such are called augers.Drilling rigs can sample subsurface mineral deposits, test rock ....

sciencing.com/facts-5019362-oil-drilling.html

Oil drilling is the process by which tubing is bored through the Earth's surface and a well is established. A pump is connected to the tube and the petroleum under the surface is forcibly removed from underground. Oil drilling is a highly-specialized business that grew into the largest industry on the planet by ...

www.wikihow.com/Drill-an-Oil-Well

That would largely depend on which province/state the drill work is being done, the type of oil/gas the well will produce & the type of structure being built. If a house is near a "light oil" well it could be as close as 100 yards to the well. If the well is a "sour gas" well, it could be as far as a mile to the well site.

www.youtube.com/watch?v=SfazJ6P_g7w

The drilling rig works like an enormous electric hand-drill of which the derrick would be the body, the drill strings the drive and the drilling tool the drill bit.

www.wilderness.org/articles/blog/7-ways-oil-and-gas-drilling-bad-environment

During oil extraction on land, drilling fluids are injected into the well for lubrication. These oil-based fluids known as "mud" are supposed to be captured in lined pits for disposal, but they’re often spilled and splashed around the drilling site. Big and small, oil spills have been steadily increasing in the West’s top producing states.

www.studentenergy.org/topics/drilling

Drilling is a process whereby a hole is bored using a drill bit to create a well for oil and natural gas production. There are various kinds of oil wells with different functions: Exploration wells (or wildcat wells) are drilled for exploration purposes in new areas.

www.rigsourceinc.com/equipment/drill-rigs/oil-gas

Oil & Gas Drill Rigs Rig Source is proud to be a reputable equipment supplier offering a variety of oil & gas drill rigs for sale. Scroll below and glance through the oil & gas drill rigs we currently have listed. We carry top of the line brands that have longstanding reputation for excellence in the oil and gas industry.

science.howstuffworks.com/environmental/energy/oil-drilling-process.htm

The drilling process is, not surprisingly, unlike using a power drill on a piece of wood. The most prominent difference is that the he hole is filled with "mud" -- a mixture of fluids, solids and, chemicals -- that lubricate the bit and help move the broken rock out of the way.