دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

adj: without water.

dry – without water.

n: liquid chemical derived from benzene or from benzene and ammonia. It is used as a solvent and in the organic synthesis of other substances.

n: C6H7N, colourless and oil like liquid, tang and toxic. Usually used in measuring content of aromatic hydrocarbon in drilling fluid operation.

n: the lowest temperature at which the chemical aniline and a solvent (such as the oil in oil-base muds) will mix completely. In general, the oil of oil-base muds should have an aniline point of at least 150F (66"C) to obtain maximum service life from the rubber components in the mud system.

n: The lowest temperature in which the same volume of oil and aniline dissolve in each other.

the aromatics content of a mixture.

n: 1. a negatively charged ion. 2. the ion in an electrolysed solution that migrates to the anode. See ion. Compare cation.

an ion with a negative charge.

process where a special resin exchanges chloride or hydroxide for contaminant anions such as fluoride, nitrate, sulfate and bicarbonate. Water purification is the primary use.

n: The additive which can change exchangeable negative ion which absorbed in the surface of the clay.

n: The process that the negative ion in the solution was absorbed in the surface of clay.

n: R-SO3-M (R is alkyl, M is cation),a kind of anionic surface active agent, mainly used as foaming agent of foam drilling fluid, for example alkane sulfonate.

a negatively charged surfactant. Normally water wets sands.