دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

an igneous rock body, which when molten, forced its way into a surrounding rock. Salt intrusions are also possible.

n: an igneous rock that, while molten, penetrated into or between other rocks and solidified.

n: a kinds of eruptive rock that formed by condensation of other rock beause of magma inbreak.

n: an area within a permeable rock adjacent to a wellbore into which a filtrate (usually water) from the drilling mud has passed, with consequent partial or total displacement of the fluids originally present in the zone.

n: The volume close to the borehole wall in which some or all of the moveable fluids have been displaced by mud filtrate. It consists of the flushed zone and the transition zone or annulus. In simple models, the invaded zone and the flushed zone are consider

the part of the rock next to the wellbore into which wellbore fluid has leaked.

n: the mud filtrate that the the mud fluid invades the wall of hole.

n: a water-in-oil emulsion in which fresh or salt water is the dispersed phase and diesel. crude. or some other oil is the continuous phase. Water increases d1e viscosity and oil reduces the viscosity.

n: an invert emulsion is a water-in-oil emulsion where fresh or salt water is the dispersed phase and diesel, crude or some other oil is the continuous phase and increase the viscosity and oil reduces the viscosity.

n: an oil mud in which fresh or salt water is the dispersed phase and diesel, crude, or some other oil is the continuous phase. See oil mud.

n: an atom or a group of atoms charged either positively (a cation) or negatively (an anion) as a result of losing or gaining electrons.

n: acids,bases and salts(electrolytes) which, when dissolved in certain solvents,especially water, are more or less dissociated into eletrically charged ions or parts of the molecules due to loss gain of one or more electrons, loss of electrons results in po

n: voltage drop. as determined by the formula E = JR.

a chemical that helps reduce the valiance state of iron from iron+3 (ferric) to iron +2 (ferrous) in non sour applications. Helps prevent sludges that are triggered by iron and asphaltic crude in combination with salt water or acid. May also help prevent