دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: Breaks at different joints in turn in order to check every joint periodically and avoid joint galling and thread fracturing.

n: The galling metal for glazing diamond bit matrix.

adj: the result of the sticking or adhesion of two mating surfaces of metal. not protected by a film of lubricant. and tearing due to lateral displacement.

thread damage from lack of lubrication or mismatched metals.

n: one of the limitations on chain-and-sprocket life. This limitation on the strength of the metal the chains and sprockets are made of may cause the metal to wear even though it is lubricated because of a heavy load or a high speed.

n: The appearance that thread of drill tool be sticked and cannt be breaded out .