دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a chemical additive that reduces the setting time of cement. See cement, cementing materials.

n: A downhole tool used in conjunction with a jar to store energy that is released suddenly when the jar operates.

A chemical that speeds up the rate of a chemical reaction. Most common are the accelerators used in cementing.

an energy increasing device, with sudden energy release, used in a jarring string while fishing.

n: common table salt, NaCl. It is sometimes used in cement slurries as an accelerator or a retarder, depending on the concentration.

n: NaCl,one of the main material of saliferous drilling fluid.