plugging agent

plugging agent

[′pləg·iŋ ‚ā·jənt]
(petroleum engineering)
A chemical used to plug or block off selected permeable zones of a reservoir formation; used during formation acidizing to direct the acid to the tighter (less permeable) zones; examples are viscous gels, suspensions of graded solids, and finely ground vegetable material.
References in periodicals archive ?
POLY SWELL: A co-polymer that provides excellent results when used as a lost circulation control additive and/or plugging agent.