دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a gelled viscous fluid placed at a specific depth in the well. usually to overcome or minimise a problem at that depth. For example. a special bentonite pill may be spotted (placed) at or near a formation to which drilling fluid is being lost. The pill may seal the formation and reduce or stop the lost circulation problem.

n: a relatively small volumn of specially prepared fluid placed or circulated in the wellbore. Fluid pills are commonly preparedfora variety of special functions, such as a sweep pill prepared at high viscosity to circulate around the wellbore lost-circulati

a volume of gelled fluid mixed for a specific purpose. A fluid loss pill for example.

a spacer designed to pick up and transport particles from the well.