دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: See casingpatch tool.

n: the maximum lawful price that may be charged for the first sale of a specified NGPA category of natural gas. cellar n: a pit in the ground, usually lined with concrete, steel pipe, or wood, that provides additional height between the rig floor and the wellhead to accommodate the installation of blowout preventers, rathole, mousehole, and so forth. It also collects drainage water and other fluids for subsequent disposal.

n: a test standardised by the American Gas Association and the Gas Processor Association for determining the natural gasoline content of a given natural gas. The gasoline is adsorbed from the gas on activated charcoal and then recovered by distillation. The test is described in Testing Code 101-43, a joint AGA and GPA publication.

n: a liquefied hydrocarbon consisting chiefly of butane or butylenes and conforming to the GPA specification for commercial butane defined in GPA Publication 2140.

n: a liquefied hydrocarbon product consisting chiefly of pr0- pane and/or propylene and conforming to the GPA specification for commercial pro- pane as defined in GPA Publication 2140.

n: (FERC) an independent agency (created in 1977) of the Department of Energy that has jurisdiction over oil pipelines engaged in interstate commerce. With respect to the natural gas industry, the general regulatory principles of the FERC are defined in the Natural Gas Act (NGA),and the Natural Gas Policy Act (NGPA). The FERC also has jurisdiction over wholesale interstate electric rates, hydroelectric licensing, and oil pipeline rates. Its predecessor was the Federal Power Commission (FPC). Address: 888 1st Street NE;Washington, DC 20426;(202) 208-0200.

n: (GPA) an organisation of companies that engage in gas processing. Its official publication is Proceedings. Address: P.O. Box 35584;Thlsa, OK 74153;(918) 493-3872.

abbr: Gas Processors Association.

a term that expresses the producability of a part of the reservoir for purposes of comparing one producing area to another.

n: 1. a hydrocarbon of the paraffin series with the formula C4lO and having its carbon atoms branched. 2. in commercial transactions, a product meeting the GPA specification for commercial butane and, in addition, containing a minimum of95% liquid volume isobutane.