دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: The abnormal pressure per meter in depth, usually express as MPa/m. It is the reference
of density of the mud and the procedure of the casing design.

n: the horizontal coordinate of a point in a plane obtained by measuring parallel to the x-axis. Compare ordinate.

a filter rating that purports to set the maximum size of an opening in a filter or the maximum size of the particle that can pass through the filter. The definition varies with use and company.

n: the amount of moisture present in the air. It may be expressed in milligrams of water per cubic metre of air. Compare relative humidity.

n: a measure of the ability of a single fluid (such as water, gas, or oil) to flow through a rock formation when the formation is totally filled (saturated) with that fluid. The permeability measure of a rock filled with a single fluid is different from the permeability measure of the same rock filled with two or more fluids. Compare effective permeability, relative permeability.

permeability to a single phase fluid in a cleaned core.

n: 1. the process of sucking up, taking in and making part of an existing whole. Compare adsorption. 2. the process in which short wave radiation is retained by regions of the earth.

n: The penetration or apparent disappearance of molecules or ions of one or more substances into the interior of a solid or liquid.

n: a mechanical refrigeration system in which the refrigerant is absorbed by a suitable liquid or solid. The most CODlD1only used refrigerant is ammonia;the most commonly used absorbing medium is water. Compare compressionrefrigeration cycle.

n: a private company in the business of preparing abstracts of title and performing related services. Also called abstract plant.

n: a collection of all of the recorded instruments affecting title to a tract of land. Compare base abstract.

n: see abstract company.