Category
page 1Petroleum
petroleum
Petroleum, also known as crude oil or simply oil, is a naturally occurring, yellowish-black liquid chemical mixture found in geological formations, consisting mainly of hydrocarbons. The term petroleum refers both to naturally occurring unprocessed crude oil, as well as to petroleum products that consist of refined crude oil.
barrel
unit of volume with different values

kerogen
thumb|Kerogen can be found in oil shale

light crude oil
liquid petroleum that has a low density and flows freely at room temperature
Naftalan oil
crude oil from Naftalan, Azerbaijan
sweet crude oil
type of petroleum
connate fluids
liquids that were trapped in the pores of sedimentary rocks
corruption in Nigeria
Institutional corruption in the country
sour crude oil
crude oil containing a high amount of the impurity sulfur
Oil war
Wikimedia disambiguation page
Offshore Technology Conference
based in Houston, Texas
history of the oil industry in Saudi Arabia
aspect of history