Petroleum - Wikipedia, the free encyclopedia
Petroleum (L. petroleum, from Greek πετρέλαιον, lit. "rock oil") or crude oil is a naturally occurring, flammable liquid found in rock formations in the Earth consisting ...
Abiogenic petroleum origin - Wikipedia, the free encyclopedia
Abiogenic petroleum origin is an alternative hypothesis to the prevailing biological origin theory of petroleum origins. Most popular in Russia and Ukraine between the 1950s and ...
Petroleum Products Inc.
In the field, on the job, in the plant or on the road, West Virginia works with Petroleum Products! Since 1938, Petroleum Products, Inc. has brought quality fuels, lubricants, and ...
BHP Billiton > Petroleum
BHP Billiton Petroleum is a high-performance, focused business that generates consistent above-average returns. Find out more about our petroleum operations and products.
Petroleum - LoveToKnow 1911
PETROLEUM (Lat. Petra, rock, and oleum, oil), a term which, in its widest sense, embraces the whole of the hydrocarbons, gaseous, liquid and solid, occurring in nature (see Bitumen ...
petroleum - definition of petroleum by the Free Online Dictionary ...
pe·tro·le·um (p-tr l-m) n. A thick, flammable, yellow-to-black mixture of gaseous, liquid, and solid hydrocarbons that occurs naturally beneath the earth's surface, can be ...
petroleum -- Britannica Online Encyclopedia
Britannica online encyclopedia article on petroleum, complex mixture of hydrocarbons that occur in the Earth in liquid, gaseous, or solid forms. The term is often restricted to the ...
petroleum - Hutchinson encyclopedia article about petroleum
Natural mineral oil, a thick greenish-brown flammable liquid found underground in permeable rocks. Petroleum consists of hydrocarbons mixed with oxygen, sulphur, nitrogen, and ...
Petroleum Standards
ASTM standards on liquid fuels; liquefied petroleum gas (LPG); oxygenates such as automotive fuels; liquid and semi-solid lubricants; hydraulic fluids; gaseous or liquid ...
Petroleum refining - Encyclopedia of Earth
A petroleum refinery is an installation that manufactures finished petroleum products from crude oil, unfinished oils, natural gas liquids, other hydrocarbons, and alcohol.
