Erdbohrwerkzeuge mit fluidöffnungen durch die schaufel sowie zugehörige systeme und verfahren

Abstract

An earth-boring tool may include a blade having a face surface, a cutting edge, and a rotationally leading surface. The earth-boring tool may additionally include at least one fluid port extending through the blade, and a fluid port manifold having an opening at a first end and a plurality of openings along a length providing fluid communication between the at least one fluid port and a primary fluid passage of the earth-boring tool. An additional earth‑boring tool may include a fluid port manifold located in the tool body and a plurality of fluid port sleeves, each fluid port sleeve of the plurality of fluid port sleeves extending into a corresponding opening of a plurality of openings along the length of the fluid port manifold.