دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: (USGS) a federal agency within the Department of the Interior established in 1879 to conduct investigations of the geological structure, mineral resources, and products of the United States. Its activities include assessing onshore and offshore mineral resources;providing information that allows society to mitigate the impact of floods, earthquakes, landslides, volcanoes, and droughts;monitoring the nations groundwater and surface water supplies and peoples impact thereon;and providing mapped information on the nations landscape and land use. Address: 12201 Sunrise Valley Drive;Reston, VA 20192;(703) 648-4000.

n: the combining of leased tracts on a fieldwide or reservoirwide scale so that many tracts may be treated as one to facilitate operations like secondary recovery. Compare pooling.

form an operating unit with a operating company from a group of wells in the same field.

n pi: the usual units of volume for petroleum measurement are the cubic metre, litre, imperial gallon, US gallon, or the barrel (42 US gallons, or 159Iitres).

n: monovalent. See valence.

n: in an ideal gas, a number equal to the pressure of the gas times its molar volume divided by its temperature. See molar volume, mole.

n: A kind of joint ,which can deliver the movement and power from one shaft to another shaft.

n: bleeding out the drill fluid ,water or other liquid in order to product the oil and gas.