دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a method of joining steel components in which acetylene gas and oxygen are mixed in a torch to attain the high temperatures necessary for welding. As an early type of welding (it was also called oxyacetylene welding),its primary disadvantage was the seepage of molten weld material onto the interior surface of the pipe, often leading to corrosion problems.

a solid stick of chloro-acetic or sulfamic acid for small scale removal of acid soluble deposits.

use of a mineral acid (typically HCl or HCl/HF) or an organic acid (typically acetic or formic) to remove damage or stimulate the permeability of a formation.

n: oil that contains a sufficient amount of sediment and water to make it unaccetable to a pipeline or other oil transportation system.

n: a device that permits or arrests a flow of liquid from a receptacle or through a pipe, faucet. tap, or stop valve.

n: a nonfermenting cellulose product used in drilling fluids to combat contamination from anhydrite (gypsum) and to lower the water loss of the mud.

n: A production manufactured by acetic acid chloride after plant fibre is alkalized. Usually used as filtrate reducer and adhesion promoter.

n: A kind of amylum derivant manufactured by amylum and acetic acid chloride. Usually used for filtrate reducer of drill fluid and improving heat proof capacity of drill fluid.

a natural starch used in drilling fluids.

a lower toxicity weighting agent for brine.

cement evaluation tool.

n: a measure of the ignition quality of fuel oil. The higher the cetane number, the more easily the fuel is ignited.