دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: A kind of organic acid group. Many organic treating chemicals of drill fluid contain this kind of functional group. It belongs to hydrophilic group or hydrating group.

n: a naturally occurring hydrophilic polysaccharide derived from the seed of the guar plant. The gum is chemically classified as a galactomannan. Guar gum slurries made up in clear fresh or brine water possess pseudoplastic flow properties.

n: A hydrophilic polysaccharide from the seed of the guar plant. It is a galactomannan type of saccharide that is highly dispersible into water and brines of various types and salinity. Its water solutions are non-Newtonian and also can be cross-linked by bo

n: any hydrophilic plant polysaccharides or their derivatives that. when dispersed in water. swell to produce a viscous dispersion or solution. Unlike resins, they are soluble in water and insoluble in alcohol.

polymer gellants.

n: a two-piece master bushing that has a jointed, swinging device (a hinge) on each half into which large pins fit to hold the bushing together. A two-piece insert bowl to hold the slips fits inside this type of master ooshing. Compare solid master bushing, split master bushing. See also insert bowl, master bushing, slips. In.B abbr: hydrophilic-lipophilic balance.

adj: tending to adsorb water.

having affinity for water.

n: the radical that is very appetency to water.

n: the characteristic that certain material is very easily to wetting in the water.