دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: an index used to establish the tendency of an oil to become less viscous at increasing temperatures. Reference oils are a highly paraffinic Pennsylvania oil, rated 100, and a Gulf Coast naphthenic oil, rated O.

adj: having a high resistance to flow.

n: see laminar flow.

n: A kind of thick slurry be used to clean the cuttings of borehole in drilling horizontal well.

n: a fluoroelastomer used in the seals installed in equipment exposed to HzS. See also fluoroelastomer.

a brand name of a common fluorocarbon elastomer common in seals. Aromatic fluid resistant.

a measure of shale maturity based on whether it has generated hydrocarbons. The value is in units of reflectance, in % Ro with values of 0 to >3.

n: see sulfitric acid.

velocity induced vibration.