دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: an apparent force caused by the rotation of the earth about a vertical axis. This force causes wind or water to move clockwise in the Northern Hemi- sphere and counter clockwise in the South- em Hemisphere.

n: Refers to the quadrangle vertical column of derrick base. They sustain the whole load of derrick mask.

n: any of a variety of complex chemical or electrochemical processes, e.g., rust, by which metal is destroyed through reaction with its environment.

n: A chemical degradation of a metal by oxygen in the presence of moisture. An oxide is the by-product of corrosion.

the deteriorating chemical reaction of a metal with the fluids with which it is in contact.

n: The process avoiding steel being eroded by different corrosive sources with various additives or blankets.

a gas that attacks metal or other specified targets. Most commonly CO2 and H2S. Usually in association with water or water vapor. Oxygen can be described as a corrosive gas in some cases.

n: the quality of being corrosive. cosurfactant n: a surfactant, generally an alcohol, added to a micellar solution to adjust the viscosity of the solution, maintain its stability, and prevent adsorption of the main surfactant by reservoir rock.

n: (CEQ) a council established under NEPA as the agency responsible for ensuring that other federal agencies comply with the pro- visions stated in NEPA.

n: flat-bottomed enlargement of the mouth of a cylindrical bore. v: to enlarge part of a hole by means of a counter- bore.

to barely open a valve.