دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a laboratory unit used for evaluating or testing drilling fluids. One gram of material, when added to 350 millilitres of fluid, is equivalent to 1 pound of material added to one 42-gallon barrel of fluid.

a laboratory measuring scale for expressing mixtures of products used to formulate muds. One gram of material added to 350 cc of liquid is equivalent to 1 lb of material added to a 42 gallon barrel.

n: (cm3) a commonly used unit of volume measurement in the metric system equal to 10-6 cubic metre, or I millilitre. The volume of a cube whose edge is 1 centimetre.

n: in sampling petroleum and petroleum products, a small sample, usually 1.5 millilitres (0.05 ounce),obtained by the probe and sampler in an automatic sampling system. Several grabs constitute a sample. graben n: a block of the earths crust that has slid downward between two faults. Compare horst.

n: one-thousandth of a litre. In analysing drilling mud. this term is used interchangeably with cubic centimetre. A quart equals 964 millilitres.

abbr: megajoule. m1 abbr: millilitre.

megajoule. 1,000,000 joules.

abbr: the phenolphthalein alkalinity of the filtrate, reported as the number of millilitres of 0.02 Normal (N/50) acid required per millilitre of filtrate to reach the phenolphthalein end point. Pc is a measure of the alkalinity of the drilling mud. Usually, muds should have a high alkalinity (pH) to ensure adequate performance.

friction pressure – may be annulus or tubing.

n: a laboratory unit used in pilot testing. One gram or pound equivalent, when added to 350 millilitres of fluid, is equivalent to I pound/barrel.