oil-and-gas accumulation

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• heavy oil and tar sand — Introduction       crude oils (crude oil) below 20° API gravity are usually considered to be heavy. The lighter conventional crudes are often waterflooded to enhance recovery. The injection of water into the reservoir helps to maintain reservoir… …   Universalium

• Oil reserves in the United States — United States oil reserves peaked sharply in 1970 Proven oil reserves in the United States are 21 billion barrels (3.3×10^9 m3), excluding the Strategic Petroleum Reserve. The U.S. Department of the Interior …   Wikipedia

• Oil well — The pumpjack, such as this one located south of Midland, Texas, is a common sight in West Texas. An oil well is a general term for any boring through the earth s surface that is designed to find and acquire petroleum oil hydrocarbons. Usually… …   Wikipedia

• Oil sands — The Athabasca oil sands in Alberta, Canada, are a very large source of bitumen, which can be upgraded to synthetic crude oil. Bituminous sands, colloquially known as oil sands or tar sands, are a type of unconventional petroleum deposit. The… …   Wikipedia

• Oil reserves — Proven Oil Reserves, as published by the CIA Factbook, 2009 The total estimated amount of oil in an oil reservoir, including both producible and non producible oil, is called oil in place. However, because of reservoir characteristics and… …   Wikipedia

• oil shale — Geol. a black or dark brown shale or siltstone rich in bitumens, from which shale oil is obtained by destructive distillation. [1870 75] * * * Any fine grained sedimentary rock that contains solid organic matter (kerogen) and yields significant… …   Universalium

• Oil shale geology — Main article: Oil shale Outcrop of Ordovician kukersite oil shale, northern Estonia. Oil shale geology is a branch of geologic sciences which studies the formation and composition of …   Wikipedia

• Gas lighting — For other uses, see Gaslight (disambiguation). Gas lighting is production of artificial light from combustion of a gaseous fuel, including hydrogen, methane, carbon monoxide, propane, butane, acetylene, ethylene, or natural gas. Before… …   Wikipedia

• South Pars / North Dome Gas-Condensate field — South Pars / North Dome Field …   Wikipedia

• Peak oil — A logistic distribution shaped production curve, as originally suggested by M. King Hubbert in 1956 …   Wikipedia

• natural gas — a combustible mixture of gaseous hydrocarbons that accumulates in porous sedimentary rocks, esp. those yielding petroleum, consisting usually of over 80 percent methane together with minor amounts of ethane, propane, butane, nitrogen, and,… …   Universalium