دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: A instrument measuring the content of CO2. The agent which can only absorb CO2 is put in the absorbing room.

n: The treating chemical
loss during manufacturing or purifying drilling fluid agent according to the principle of absorption.

n: a naturally occurring clay that, after activation, usually with acid, is used mainly as a decolourant or refining agent, and sometimes as a desulphuriser, coagulant, or catalyst.

n: 1. in general, a substance added in small amounts to a larger amount of another substance to change some characteristic of the latter. In the oil industry, additives are used in lubricating oil, fuel, drilling mud, and cement. 2. in cementing, a substance added to cement to change its characteristics to satisfy specific conditions in die well. A cement additive may work as an accelerator, retarder, dispersant, or other reactant.

n: The agent put into the drilling fluid in order to change some performances of the drilling fluid or slurry.

a compound incorporated into a gas, liquid, or solid system to alter the properties for a particular purpose.

n: See reagent.

n: The substance that can increase mud making rate of bentonite.

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: A kind of non-ionics, used as foaming agent and emulsifier of foam drilling fluid.

n: A kind of anionic surface active agent, usually used as frother, sometimes as the emulsifier in the foam drilling fluid. The symbol is AS.

n: It is a good dispersing agent used to avoid bit balling.