دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: A kind of invert emulsion mud that the chemical potential of drilling fluid is equal to the chemical potential of water in the drilled formation. The salinit in the water phase is usually equal to salinit in the shale water. It can prevent shale permeatin

n: A kind of anionic surface active agent. Used for the component part of emulsifier of invert emulsion mud and pipe lax.

n: a kind of negative ion surfactant ,mainly used as emulsifier of invert emulsion mud

invert emulsion mud.

n: also called water-in-oil emulsion mud,oil is continual external phase and water is dispersed phase.

n: a drilling or workover fluid in which oil is the continuous phase and which contains from less than 2 percent and up to 5 percent water. This water is spread out, or dispersed, in the oil as small droplets. See invert emulsion mud. oil mud.

n: The emulsifier have assistant affect in the invert emulsion mud.