دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a naturally occurring clay that, after activation, usually with acid, is used mainly as a decolourant or refining agent, and sometimes as a desulphuriser, coagulant, or catalyst.

an investigation that focuses on aluminum content, an indirect measurement of clay content.

n: The additive which can change exchangeable negative ion which absorbed in the surface of the clay.

n: The process that the negative ion in the solution was absorbed in the surface of clay.

n: The additive which can change exchangeable negative ion which absorbed in the surface of the clay.

n: a sandstone in which less than 15% of the total volume is silt and clay.

adj: pertaining to a formation that consists of clay or shale (such as argillaceous sand).

rocks or substances composed of clay minerals, less than 0.625mm, or having a high proportion of clay in their composition such as shale

n: an asphalt-base enamel applied as a coating to pipe that is to be buried. The asphalt is combined with finely ground mica, clay, soapstone, or talc and applied while hot. Combined with a subsequent wrapping, this coating protects the buried pipe from corrosion.

n: A colloidal, viscosity-building clay used principally in salt-water muds.

a colloidal, viscosity building clay used in water based muds. They generate viscosity due to the mechanical interference of their straw shaped bodies.

n: A kind of baculate clay, sometimes called salt-resisting clay or brinish clay because it is easy to slake in the brine and it is high yield.