دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: (LNG) a liquid composed chiefly of natural gas (i.e., mostly methane). Natural gas is liquefied to make it easy to transport if a pipeline is not feasible (as across a body of water). Not as easily liquefied as LPG, LNG must be put under low temperature and high pressure or under extremely low (cryogenic) temperature and close to atmospheric pressure to liquefy. liquefied natural gas carrier (LNGC) n: a vessel such as a ship used to transport liquefied natural gas.

n: (LPG) a mixture of heavier, gaseous, paraffinic hydrocarbons, principally butane and propane. These gases, easily liquefied at moderate pressure, may be transported as liquids and converted to gases on release of the pressure. Thus, liquefied petroleum gas is a portable source of thermal energy that finds wide application in areas where it is impractical to distribute natural gas. It is also used as a fuel for internal-combustion engines and has many industrial and domestic uses. Principal sources are natural and refinery gas, from which the liquefied petroleum gases are separated by fractionation.

light ends, usually C3 and C4 gasses liquefied for storage and transport.

abbr: liquefied petroleum gas.

liquefied petroleum gas.

n: a method of enhanced recovery in which various hydrocarbon solvents or gases (such as propane, LPG, natural gas, carbon dioxide, or a mixture thereof) are injected into the reservoir to reduce interfacial forces between oil and water in the pore channels and thus displace oil from the reservoir rock. See chemical flooding. gas injection. micellar-polymer flooding.

abbr: National LP-Gas Association.

n pi: most notably related to FERC Order 94, productionrelated costs refer to all costs associated with bringing natural gas or LPG to a marketable point of title transfer. The more common production-related costs include, but are not limited to, compression, dehydration, gathering, processing, treating, liquefication, conditioning, or transporting.

n: a ship designed to transport oil, LPG, LNG, or SNG. Tankers whose capacity is 100,000 deadweight tons (90,720 deadweight tonnes) or more are supertankers, either very large crude carriers or ultralarge crude carriers. Also called a tank ship.