دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a collection of all of the recorded instruments affecting title to a tract of land. Compare base abstract.

n: Made by adding gas into common water base drilling fluid. Mainly used to protect circulation loss in low pressure formation and leakage zone.

n: the distance from the normal level of the sea surface to the bottom of the hull or base of an offshore drilling platform or rig.

n: The distance from normal sea level to drill platform when marine drilling.

the clearance between the highest water surface that occurs during the extreme environmental conditions and the underside of the deck.

n: the combining power of a base, or alkali, as measured by the number of equivalents of an acid with which it reacts to form a salt. Any solution that bas a pH greater than 7 is alkaline. See pH.

n: The combining power of a base measured by the maximum number of equivalents of an acid with which it can react to form a salt. In water analysis, it represents the carbonates, bicarbonates, hydroxides and occasionally the borates, silicates and phosphates

n: A kind of anionic surface active agent. Mainly used as emulsifier of water base drilling fluid and improving temperature resistance capacity of drilling fluid in the deep well.

n: The active agent which has alcaline base and acid base.

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 body of coarse, poorly sorted sediments formed by the coalescence of alluvial or detrital fans along the flanks of a mountain range. 2. a similar body of turbidite sediments formed by the coalescence of submarine debris fans along the base of the continental slope.

n: an artificial gravel island sometimes used in shallow Arctic waters as a base on which drilling and production equipment is erected.