TWO-CONE DRILL BIT

摘要

A two-cone drill bit with a hydraulic arrangement that can be used for one o r more of the following: cleaning roller cones, impinging on a hole bottom, or inducing a helical flow field. A two-cone drill bit having a bit body formed from two leg sections and two spacing members. Methods of manufacturing a two-cone drill bit. Methods of improving hydrauli cs of a two-cone drill bit.