DEVICE FOR CRACK MUDDING IN PRODUCTION HORIZON

摘要

Device for crack mudding in productive horizon with low stratal pressure consists of body with central channel, brushes for destruction of filtration crust, centering inserts, main tips and hydro-monitor tip for washing filtration crust. In centering channel metal net is installed, with mesh dimension smaller than dimension of acid-soluble filler, at angle 017° to horizon, its lower end rests at the bottom of the edge of main tips.