دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: Affiliated to a kind of parbighite that can combine with alkylene, usually used as diluent and calcium remover which can resist certain temperature.

n: the common name for anhydrous calcium sulphate. caSﾰ4.

n: The main component is calcium sulphate which has no crystal water. The formation which contains this gypse is very usual in drilling and it can contaminate the fresh water drilling fluid. This formation swells when the drilling fluid go through it and som

CaSO4 formation. Usually formed as an evaporite from a drying lake of trapped sea water.

n: the replacement of cations associated with a clay surface by those of another element, e.g., the conversion of sodium clay to calcium clay.

n: water that has a large quantity of salt, especially sodium chloride, dissolved in it;salt water.

n: Dissolving a great quantity of salt, especailly sodium chloride. Usually used to make up salt water drilling fluid.

a mixture of water and a soluble salt. Most common brines are sodium chloride NaCl, potassium chloride KCl and calcium chloride CaCl2. Brine densities may range from 8.33 to > 19 lb/gal (1 to >2.28 g/cc). The USGS definition of a brine is a salinity of mo

calcium bromide.

calcium chloride salt.

calcium carbonate.

adj: containing or composed largely of calcium carbonate, or calcite (CaCO3)

a calcium carbonate coating.

n: calcium carbonate, CaCO3

n: CaCO3, a natural calcium carbonate. Its relative density is from 2.6 to 2.8. A kind of heavy loader.

calcium carbonate, CaCO3. May be rock (limestone) or a scale formed from super saturated solution at the site of a chemical or physical upset.