PETROLEUM
Tallinn 2013
Ott Speek
Subject: English
Geodesy
Study group: GI-21b
PETROLEUM
PRESENTATION
Petroleum (L. petroleum, from Greek: Πέτρα (rock) + Latin: oleum (oil) is a
naturally occurring flammable liquid consisting of a complex mixture of hydrocarbons of
various molecular weights and other liquid organic compounds, that are found in
geologic formations beneath the Earth's surface. The name Petroleum covers both
naturally occurring unprocessed crude oils and petroleum products that are made up of
refined crude oil. A fossil fuel, it is formed when large quantities of dead organisms,
usually zooplankton and algae, are buried underneath sedimentary rock and undergo
intense heat and pressure.
Petroleum is recovered mostly through oil drilling. This comes after the studies of
structural geology (at the reservoir scale), sedimentary basin analysis, reservoir
characterization (mainly in terms of porosity and perme...
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