The Gulf Coast accounts for
a tenth of total U.S. oil production. However, America's status as a
major oil producer can also be attributed to its land basins.
The largest concentration of
oil and gas fields can be found in three major areas. The first one,
the Appalachian basin, stretches from the southern coasts of Lakes
Erie and Ontario all the way to the southern edge of Kentucky. The
other two areas can be found within Texas, with one stretching from
the Mexico-U.S. border to the tip of Alabama.
The immense activity in
these fields is fueled by the simplicity of land-based drilling. The
rigs used at these sites are smaller than most oil rigs, but they're
easy to set up and operate. Such a rig may be no larger than a house,
helping prospectors save on construction and maintenance costs. In
addition, looking for oil on land doesn't require a system as complex
as a drillship.
That said, a simple
land-based rig is complex in its own right. After all, this system
consists of various parts and equipment working together to establish
new wells in response to increasing demand for fossil fuel. For
instance, the drawworks controls the depth of the drill bit and pulls
it out when the drilling rig hits jackpot.
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