دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a cylindrical ring employed to back up (or assist) a sealing member against extrusion under temperature and pressure.

n: 1. the emission of magma (as lava) at the earths surface. 2. the body of igneous rock produced by the process of extrusion.

radial gap between the maximum rated casing ID and the minimum OD immediately adjacent to the packing element.

n: in the process of sediment the fluid in the pores becomes high pressur by the extrusion and the degree of the pore reduce is not much when the permeately layer is surrounded by dense layer.

n: the hot fluid matter within the earths crust that is capable of intrusion or extrusion and that produces igneous rock when cooled.

molten rock (lava) that crystallizes into an igneous rock.