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How is oil extracted
from the earth?
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The main question for this topic @ Billion Dollar Questions: How
Long will Oil Last?
See a list of all the topics under the question here.
Content derived from Wikipedia article on Petroleum
Once reserves are identified through geo-seismic research
and exploration wells, discovery wells must be drilled, oil pipelines and
loading terminals built. The most common method of obtaining petroleum is
extracting it from oil wells found in oil fields. After the well has been
located, various methods are used to recover the petroleum. Primary recovery
methods are used to extract oil that is brought to the surface by underground
pressure, and can generally recover about 20% of the oil present. After the
oil pressure has depleted to the point that the oil is no longer brought to
the surface, secondary recovery methods draw another 5 to 10% of the oil in
the well to the surface. Finally, when secondary oil recovery methods are no
longer viable, tertiary recovery methods reduce the viscosity of the oil in
order to bring more to the surface.
The Organization of the Petroleum Exporting Countries
(OPEC) is an international organization made up of Algeria, Angola, Indonesia,
Iran, Iraq, Kuwait, Libya, Nigeria, Qatar, Saudi Arabia, the United Arab Emirates,
and Venezuela. Since 1965 its international headquarters have been in Vienna,
Austria. It is considered to be a cartel by many observers.
http://en.wikipedia.org/wiki/Petroleum
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Related
Topics & Questions
When
was the modern oil industry born?
How
much oil does the world consume per day?
How
much oil does the United States consumer per day?
What
percent of oil can be recovered from a newly discovered oil hole?
By
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How
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Which
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How
is oil prospecting done? Oil prospecting techniques?
Why
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How
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What
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